INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw

 
INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
INKJET VS. LASER
A BLI White Paper

HP Officejet Pro X576dw
How Does It Stack Up Against Laser?
Based on Buyers Laboratory LLC’s market-leading test data and analysis

Marlene Orr
Senior Analyst for Printers and A4 MFPs
INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER                                                                                                  JULY 2013

      INKJET VS. LASER
      HP Officejet Pro X576dw: How Does It Stack Up Against Laser?

      Table Of Contents

      3  BLI’s Test Methodology
      4  Brief History and Evolution of Inkjet Technology
      5  HP PageWide Array: What It Is and What It Does…
      6  Models for Comparison
      7		      HP Officejet Pro X576dw Feature Set
      8		      Feature Set for Small Workgroup Models
      8		      Feature Set for Mid-Size Workgroup Models
      9  Summary of Findings
      11 X576dw Pros and Cons vs. Laser Devices
      12 Reliability Performance
      13 A Look at the HP Officejet Pro X576dw’s Three Modes

      18 CHAPTER 1: HP PERFORMANCE VS. small workgroup laser MFPS
      18 Image Quality
      19		     Print Quality
      23		     Copy Quality
      27 Productivity
      27		     Print Productivity
      32		     Copy Productivity
      35 Tested Ink/Toner Yields
      36 User Maintenance Interventions
      37 Plastic/Metal Cartridge Waste
      38 Power Consumption
      39 Total Cost of Ownership

      40 CHAPTER 2: HP PERFORMANCE VS. MID-SIZE workgroup laser MFPS
      40 Image Quality
      41		     Print Quality
      45		     Copy Quality
      48 Productivity
      48		     Print Productivity
      54		     Copy Productivity
      57 General Office Mode Image Quality and Productivity Highlights
      61 Tested Ink/Toner Yields
      62 User Maintenance Interventions
      63 Plastic/Metal Cartridge Waste
      64 Power Consumption
      66 Total Cost of Ownership
      67 PageWide vs. Traditional Inkjet Technology

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          BLI Test Methodology
          The information contained in this report was obtained from independent testing conducted
          in Buyers Laboratory’s 10,000-square-foot US test facility in Hackensack, NJ, and its
          3,000-square-foot UK test lab in Wokingham, UK. The unique evaluations, hundreds of
          which are conducted every year, cover all the important aspects of performance and take
          about two months to complete. The comprehensive battery of tests includes an extensive
          reliability test during which printers and multifunction printers are run for half of their
          manufacturer-rated maximum monthly duty cycle over the course of 15 days. The volume
          output each eight-hour workday varies, and includes a mix of short, moderate and long
          run lengths, and on/off cycles, to simulate real-world usage. For MFPs, 25 percent of the
          test volume consists of copy jobs and 75 percent consists of print jobs. Half the output
          is in simplex mode and half is in duplex mode. Roughly 70 percent of the test volume
          is produced on virgin paper, and 30 percent is produced on recycled media (comprised
          of 30%, 50% and 100% recycled paper). To eliminate performance issues that could be
          paper related, BLI uses a few standard paper sources. In the US lab, papers used are
          Georgia-Pacific Spectrum Multi-Use 20-lb. virgin bond, Boise X-9 20-lb. virgin bond and
          Boise Aspen recycled paper. Image quality is tested using Georgia-Pacific Printing Paper
          with ColorLok (96 brightness, 22-lb. bond). Papers used in the UK lab are UPM 80gsm
          multi-purpose paper and m-real Evolve 100% recycled media. Image quality is tested
          using UPM 100gsm color laser paper.
          All products are powered by dedicated circuits that are protected by ESP (Electronic
          Systems Protection, Inc.) surge protectors to prevent transient power and communication
          disturbances from affecting equipment under test. They are installed on BLI’s dedicated
          test network, which consists of Windows 2003 and Microsoft Exchange servers, Windows
          7 workstations, 10BaseT/100BaseTX network switches and CAT5 cabling. Temperature
          and humidity are maintained at levels typical of an office environment and conditions are
          monitored by an Extech RH S20 Digital RH/Temperature Recorder and Honeywell Model
          61 Seven-Day Temperature/Relative Humidity Chart Recorder.
          In addition to a number of proprietary test documents, BLI uses an industry-standard
          KATUN test original for evaluating black image quality and a proprietary suite of BLI-
          developed test targets to evaluate color image quality. Trained technicians perform a
          visual observation of all output under a Graphiclite D5000 Standard Viewer; color print
          quality is tested using a color test target, which is read using the X-Rite Eye-One/iO Color
          Spectrophotometer, and samples are analyzed using the CIE XY Chromaticity Diagram.
          Density of black and color output is measured using an X-Rite 500 Series Densitometer.
          Electricity is automatically regulated to
INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          Brief History and Evolution of Inkjet Technology
          Since the emergence of the first desktop inkjets in the 1980s, the technology has not only
          undergone a number of significant changes and improvements, but has also been through
          cycles of being loved and hated by business users. As the technology evolved, the printers
          themselves became so affordable that, it seemed, nearly every user could have his own
          desktop inkjet printer with almost no investment or management approvals necessary. In
          fact, computer companies sometimes gave inkjet printers as free gifts with PC purchases.
          When it came time to replace the ink, however, it became apparent just how expensive it
          could be to maintain this “cheap” technology.
          In the past few years, though, vendors began veering away from the marketing model of
          practically giving away the hardware and selling the ink at inflated prices. Business-class
          inkjets gained favor in the office as entry-level devices. These desktop machines offered
          a low upfront cost, acceptable quality on plain paper and, in most cases, a better cost per
          page than sub-$500 color laser models. But they were very slow, generally maxing out at
          about 10 ppm in the real world, making them suitable for only low-volume usage. Speed
          was even more of an issue for documents that needed better quality; in the units’ best-
          quality mode, they slowed down even more and cost per page increased because of the
          higher page coverage, resulting in greater ink consumption.
          While some printer companies have exited the office inkjet market, others have created
          a new breed of devices. While only a handful of products exist in this new category, the
          industry is seeing a major revitalization and reinventing of inkjet technology in products like
          the 60-ppm Memjet C6010, 100-ppm monochrome-only Brother HL-S700DN and, most
          important, because of HP’s dominance in the industry, the HP Officejet Pro X Series. In this
          report, BLI’s lab team and analysts wanted to dig deeper and provide further insight on this
          new trend in business inkjet, focusing specifically on the recently tested HP Officejet Pro
          X576dw MFP, to provide analysis of both print and copy functionality using this technology.

          HP’s PageWide Inkjet Technology
          With the announcement of its new inkjet technology, HP says it is delivering the quality,
          speed and affordability of a workgroup laser device, with the low power consumption, easy
          maintenance and low waste of an inkjet device. But can this technology really compete in
          the mostly laser-centric business environment?
          BLI has put the technology to the test, analyzed the data and crunched the numbers
          (using our lab test data from the recently introduced Officejet Pro X576dw), to help you
          determine in what cases ink can truly rival laser technology and if it is ultimately the right
          choice for your business.

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          PageWide Array: What It Is and What It Does…

          The Officejet Pro X series printers and MFPs (pictured above) borrow the robust body and
          paper drawers from HP’s LaserJet family of products, but inside, they are inkjet machines.
          At time of publication, the Officejet Pro X series consists of six models: the Officejet Pro
          X451dn/X451dw and sister MFPs, Officejet Pro X476dn/X476dw (with a default mode
          speed of 36 ppm and as fast as 55 ppm in General Office Mode), and the Officejet Pro
          X551dw and sister MFP, Officejet Pro X576dw (with a default mode speed of 42 ppm and
          as fast as 70 ppm in General Office Mode).
          PageWide technology is so named because the series of staggered, overlapping clusters
          of nozzles it uses span the width of an 8-1/2" page. That’s in contrast to the couple of
          inches covered by the printheads of most typical business inkjet products. Rather than
          travelling back and forth on a carriage to deliver ink droplets across the page, the new
          HP printhead is stationary; the page moves under it during the imaging process. The
          most obvious advantage of a stationary printhead is, of course, speed, since only the
          page needs to move through the printer while the printing element is fixed in one position
          (much in the way a page moves through a laser printer). Another key advantage is image
          quality. In traditional inkjet printers, the printhead moves back and forth and the faster
          the printhead moves, the more likely output will exhibit banding from the back and forth
          motion.

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          While traditional inkjet technology (pictured top) uses printheads mounted on a carriage that moves back and
          forth on a track to print the page, HP’s PageWide array (pictured bottom) uses a single wider printhead with
          10 dies (clusters of nozzles, with a total of 42,400 nozzles) to span the width of the 8-1/2" page. The Officejet
          X series uses four pigmented inks, rather than dye-based, which, according to HP, deliver brighter, more
          saturated color.

          MODELS FOR COMPARISON
          According to HP, the new Pro X models compete against small workgroup devices that are
          roughly in the same price range. While there are print-only and MFP versions of the series,
          BLI chose the Pro X576dw MFP as the subject of this report in order to provide the most
          comprehensive comparison, including copy functionality. BLI’s test results on this model
          were compared against those of 10 tested laser/LED models that fall into this category.
          But, because of the HP unit’s higher speeds, BLI also chose 10 mid-size workgroup laser
          models that offer similar rated speeds as the X576dw. BLI focused on the aspects of
          performance that can be affected by technology, including, speed, image quality, energy
          consumption, cost of ownership and waste generation. And because reliability is the most
          important aspect of any product, we also compared reliability. A full report on the HP
          Officejet Pro X576dw that assesses its performance in BLI’s entire battery of tests can be
          downloaded from bliQ.

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          HP Officejet Pro X576dw Feature Set

                                                                        HP Officejet Pro X576dw MFP

          SRP/Street Price                                              $799.99

          Domestic Intro Date                                           February 2013

          OEM                                                           HP (China)

          Max Monthly Duty Cycle                                        75,000 impressions

          Recommended Monthly Volume                                    1,000 to 4,200 impressions

          Type                                                          Full-color multifunction inkjet printer

          Rated Speed                                                   42 ppm color/42 ppm black (in the default Professional Mode)

          Std Paper Source(s)                                           Single drawer

          Std Paper Capacity                                            500 sheets

          Paper Weights                                                 16 to 58 lbs

          Bypass/Paper Weights                                          50-sheet/16 to 58 lbs

          Max Paper Capacity                                            1,050 sheets

          System Memory (Std/Max)                                       768-MB RAM/768-MB RAM

          Duplex                                                        Auto (1:2,2:2,2:1)

          Document Feeder                                               Std RADF

          Doc Feeder Speed/Capacity                                     20 opm/50 orig

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          Small Workgroup Laser Feature Set Comparison

          While the 10 small workgroup models chosen for this evaluation differ from each other in
          some minor ways, they offer a largely comparable feature set with the following general
          characteristics:
          •   Average duty cycle of 55,000 impressions per month
          •   Standard paper capacity of 250 sheets
          •   Maximum paper capacity ranging from 500 to 1,450 sheets, with an average of 835
              sheets
          •   Standard memory ranging from 128 MB to 512 MB, with an average of 276 MB
          •   Maximum memory capacity ranging from 128 MB to 2.5 GB, with an average of 736 MB
          •   Black rated speeds ranging from 21 to 32 ppm, with an average of 25 ppm
          •   Average street/web price of $750

          Mid-Size Workgroup Laser Feature Set Comparison

          The 10 mid-size workgroup laser models chosen for this evaluation have the following
          general characteristics:
          •   Average duty cycle of 110,000 impressions per month
          •   Standard paper capacity ranging from 250 to 550 sheets, with an average of 429 sheets
          •   Maximum paper capacity ranging from 850 to 2,650 sheets, with an average of 1,519
              sheets
          •   Standard memory ranging from 256 MB to 1.5 GB, with an average of just under 1 GB
          •   Maximum memory capacity ranging from 768 MB to 1.5 GB, with an average of about 1 GB
          •   Black rated speeds ranging from 31 to 50 ppm, with an average of 36 ppm
          •   Average suggested retail price of $3,000

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          SUMMARY OF FINDINGS
          BLI’s testing revealed the Officejet Pro X576dw to be a very strong performer in many
          areas evaluated, making it an excellent choice for many business users. While it may
          not be the best choice in environments with monthly volumes greater than 5,000 pages
          (at these volumes, some higher-end laser models become more cost effective), the HP
          Officejet Pro X576dw is an ideal replacement for laser devices in low- to mid-volume
          business environments that need affordable color output. Its greatest strengths are its fast
          speeds, low power consumption and minimal waste generation. Print quality and reliability
          are on par with or slightly better than some of the laser models in the test group (both small
          workgroup and mid-size workgroup devices), falling short only in printed halftone output
          and in copy output, especially in the area of copied text, with black density readings that
          were lower than that of the laser model with the lowest density readings.
          When compared with the small workgroup laser models tested, the Officejet Pro X576dw
          is a force to be reckoned with. Indeed, in its default mode, it was the fastest in 18 out of
          20 productivity tests, including for printing or copying a single page in color and black (this
          is especially significant, since many typical print jobs are one to three pages in length),
          and also when printing or copying sets of single- and double-sided documents in color
          and black. In fact, in some of the single-page tests, it was twice as fast as the average.
          When printing BLI’s job stream test, however, in which nine typical office documents of
          various file types are released to the printer at once, the inkjet unit paused between jobs
          and was slower than the average for the laser models. The job stream test is a good
          gauge of productivity in busy offices because it simulates multi-user traffic in a workgroup
          at busy times during the day. While it may be unlikely that a small workgroup (with three to
          five users, for example) will generate the kind of traffic simulated by BLI’s job stream, this
          performance could be a limiting factor to larger workgroups (10 or more users). Note that
          HP recommends the model for up to 10 users.
          The mid-size workgroup laser models proved to be stiffer competition for the X576dw,
          which, when compared against this group, was the fastest in only two tests in default
          mode, though, notably, it was still faster than average in about half of the tests. Again,
          job stream results were slower than average—outputting the pages at less than half the
          average laser speed in black mode.
          In its fastest mode (General Office Mode, rated speed of 70 ppm), in which it produces
          output that is acceptable for text or internal documents and for proofing purposes, the
          Officejet Pro X576dw was the fastest of the mid-size workgroup model group when printing
          sets of a document, whether single- or double-sided, in black or in color. But readers
          might be surprised to learn that in copy mode its performance in its fastest mode was
          not much faster than in the default mode (these results are due in part to the speeds at
          which the document feeder can scan originals). BLI’s tested copy speeds were faster than
          average in color and black when making single- or double-sided copies from single-sided
          originals, but slower than the average when making double-sided copies from double-
          sided originals.
          Because of its inkjet technology, it’s not surprising that, based on BLI’s energy consumption
          testing, the X576dw’s projected annual energy consumption is lower than that of all the

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INKJET VS. LASER A BLI White Paper - HP Officejet Pro X576dw
WHITE PAPER—Inkjet versus Laser

          laser models tested in both groups. In fact, its energy consumption is about half that of
          the laser model with the lowest energy consumption in both the small workgroup and
          mid-size workgroup categories. In addition, BLI calculates cartridge waste to be the
          lowest compared to small workgroup models and among the lowest compared to mid-size
          workgroup models.
          Its cost per page for supplies is lower than any of the of the small workgroup laser models.
          While it’s also lower than the average for the mid-size workgroup models, it is nearly 3
          cents higher than that of the mid-size workgroup laser model with the lowest cost per
          page (note, however, that the laser model would require a service contract, which would
          add to its lifecycle cost; a service contract is not required for the HP model). Finally, when
          calculating cost of ownership over three years—including the purchase price and all
          supplies required—BLI found the HP X576dw to be the most affordable choice compared
          to both groups when printing up to 5,000 pages per month.
          In conclusion, BLI believes the HP Officejet Pro X576dw will be not only a viable
          replacement, but in many cases a better choice, than laser models in environments with
          up to 10 users and monthly volumes up to 5,000 pages. For users with higher monthly
          volumes, a high proportion of copy output, or where output will often be produced on
          recycled paper or require the finest lines, laser models will likely be a better choice.

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WHITE PAPER—Inkjet versus Laser

          X576DW PROS AND CONS VS. LASER DEVICES

          PROS
          •   Completed BLI’s test with no misfeeds
          •   Faster default mode speeds than lower-end laser devices in much of BLI’s speed testing;
              faster than average default speeds in some tests compared to mid-size workgroup laser
              models
          •   Significantly faster than average speeds in General Office Mode (fastest mode) in many
              tests compared to mid-size workgroup models
          •   Lower cost per page than most laser devices tested
          •   Less cartridge waste than generated by most small and some mid-size workgroup models
          •   Requires less user intervention for consumables than for the majority of small workgroup
              laser and some mid-size workgroup laser models
          •   Legal-size platen
          •   More consistent color production than most laser devices
          •   More consistent fine lines on dark backgrounds and circular lines than those produced by
              some laser models tested
          •   Significantly lower power consumption than tested laser models

          CONS
          •   Slower than average speeds when printing a series of different jobs in quick succession;
              slower than average double-sided copy speeds compared to mid-size workgroup laser
              models
          •   Standard configuration supports legal-size paper through bypass tray only; optional drawer
              supports legal-size paper
          •   Text in copy mode not as dark as that produced by some laser models
          •   Fine lines in two of the three print modes showed jaggedness when magnified
          •   Some visible smearing of black output when an acid highlighter was used
          •   Decreased image quality when printed on recycled paper
          •   Greatly decreased speeds when outputting in Presentation mode
          •   Lower supplies yields than some mid-size workgroup laser models
          •   Lower than average copy fidelity readings

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WHITE PAPER—Inkjet versus Laser

          TEST DATA

          RELIABILITY PERFORMANCE
          In terms of reliability, BLI’s testing found that the Officejet Pro X576dw held its own not
          only against the small workgroup models that HP cites as its chief competitors (based on
          price), but also against some of the more robust, mid-size workgroup laser models in the
          same speed range, completing a 37,500-impression durability test with no misfeeds or
          malfunctions. While a handful of the laser models from both groups experienced one to
          three misfeeds each in BLI’s testing, most devices completed testing with none.

          Reliability Overview

                                                     HP Officejet Pro                         Small Workgroup                           Mid-Size Workgroup
                                                      X576dw MFP                                  Models                                      Models

           Maximum Monthly
                                                             75,000                           40,000 to 120,000                            60,000 to 175,000
           Duty Cycle

           Test Duration                                     37,500                            20,000 to 60,000                             30,000 to 87,500

           Total Number of
                                                                  0                                         5                                           5
           Misfeeds

           Number of Devices
                                                                                              2 out of 10 devices                         4 out of 10 devices
           That Misfed

          Products are tested for two months, a portion of which consists of a durability test during which the product is run at half of its
          manufacturer-rated maximum monthly volume, with varying daily test volumes designed to replicate real-world use over an eight-hour
          workday. This variable schedule includes a mix of various-size documents, simplex and duplex modes, and a mix of short, moderate
          and long run lengths, and on/off cycles, throughout the day.

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WHITE PAPER—Inkjet versus Laser

          A LOOK AT THE HP OFFICEJET PRO X576DW’S
          THREE MODES:
          How They Affect Image Quality and Speed

          The HP Officejet Pro X576dw has three modes, ranging in speed up to 70 ppm in
          speed, with image quality varying accordingly. Before comparing the unit’s output in
          default mode to that of laser devices, let’s take a look at how the output differs in each
          of these modes.

          IMAGE QUALITY IN HP’S DIFFERENT MODES
          •   In general, as speed increases, quality decreases and vice versa. The default mode of
              the Officejet Pro X576dw is Professional Mode, which has a rated speed of 42 ppm and
              is suitable for general business output because it offers mid-range quality at a relatively
              high speed. The fastest mode, General Office (rated speed, 70 ppm), is the equivalent
              of a draft mode, however, the quality is much better than would be expected from “draft
              mode,” as shown in the images below. Presentation Mode (for which HP doesn’t specify
              the rated speed) is the unit’s best quality mode and the decrease in speed is quite
              dramatic, though quality improves greatly over the other two modes. Because with inkjet
              technology, ink is absorbed by the paper used for printing, smoother/glossy papers
              results in improved output; alternately, rougher papers (such as recycled media) will
              result in diminished image quality.

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WHITE PAPER—Inkjet versus Laser

            HP Officejet Pro X576dw Output on 22-Lb. Bond

            GENERAL OFFICE MODE
                                                                                                          General Office Mode (fastest mode)
                                                                                                          produced output that was slightly lighter than
                                                                                                          that produced in the other modes, though
                                                                                                          fine lines were thicker and showed some
                                                                                                          jaggedness.

            PROFESSIONAL MODE
                                                                                                          Professional Mode (default mode) produced
                                                                                                          good-quality output, suitable for most
                                                                                                          business users.

            PRESENTATION MODE
                                                                                                          Presentation Mode (best quality mode)
                                                                                                          showed smoother ink coverage, more
                                                                                                          realistic skin tones, and more detailed
                                                                                                          highlights and shadows in images than
                                                                                                          output produced in the default mode.

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WHITE PAPER—Inkjet versus Laser

          HP Officejet Pro X576dw Output on 22-Lb. Bond (Presentation Mode)

          Presentation Mode output on virgin bond exhibited
          brighter colors and better saturation than what was
          seen on recycled media (below).

          HP Officejet Pro X576dw Output on Recycled Paper (Presentation Mode)

          Output produced in Presentation Mode (best quality                             Output produced in Presentation Mode (best quality
          mode) was lighter when printed on 30% recycled                                 mode) was lighter and lacking some fine detail when
          paper than when printed on virgin bond.                                        printed on 50% recycled paper than when printed on
                                                                                         virgin bond.

          Output produced in Presentation Mode (best quality
          mode) was much lighter and lacking fine detail when
          printed on 100% recycled paper.

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WHITE PAPER—Inkjet versus Laser

          MAGNIFIED FINE LINES

          •   One of the most noticeable improvements when moving up the scale in image quality
              modes (from General Office to Professional to Presentation) was in the area of fine lines,
              as depicted in the example below. Lines produced in the fastest mode were thicker and
              showed some jaggedness. In the default mode, lines were finer and smoother, though
              they still showed some jittering. In the best quality mode, lines were much smoother, with
              only slight jittering visible.

          Printed Lines in HP’s Three Modes (Magnified)

          General Office Mode                               Professional Mode                                         Presentation Mode

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WHITE PAPER—Inkjet versus Laser

          SPEED PERFORMANCE IN HP’S DIFFERENT MODES
          •   Because inkjet technology relies on ejecting more ink through the nozzles in the
              printhead to print the image and improved quality is a result of laying more ink on the
              page, speed decreases as quality improves. While copy speeds for outputting one set of
              a 10-page document are generally the same in General Office Mode and Professional
              Mode (this is a limitation of the document feeder speed), speeds in Presentation Mode
              drop significantly. In print mode, there is a much clearer delineation in tested speeds for
              each mode, as the document feeder is not involved in the process.

          Tested Color Copy Speed in HP’s Three Modes (1 Set of 10 Pages; In PPM)

          Color copy speed is tested using a 10-page color document in simplex, 1:2 duplex and 2:2 duplex modes.
          Timing begins when the start key is pressed and ends when the last page of the document set completely
          exits the device into the output tray.

          Tested Color Print Speed in HP’s Three Modes (1 Set of 10 Pages; In PPM)

          Color print speed is tested using a 10-page color document in simplex and duplex modes. Timing begins when
          the print button is pressed and ends when the last page of the document set completely exits the device into
          the output tray.

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WHITE PAPER—Inkjet versus Laser

          CHAPTER 1: BLI LAB TEST FINDINGS
          HP Officejet Pro X576dw vs. Small Workgroup Laser Models

          IMAGE QUALITY
          Overall Image Quality Ratings vs. Small Workgroup Laser MFPs (Default Mode)

                                                                                            Composite scores for the laser models (shown as
                                                                                            Average, Best and Lowest) and the Officejet Pro
                                                                                            X576dw are determined by adding the equivalent
                                                                                            numerical score for BLI’s ratings for each category
                                                                                            evaluated in both print and copy modes, where an
                                                                                            Excellent equals 5 and a Poor rating equals one;
                                                                                            the best possible composite score would be 35.
                                                                                            Evaluation based on samples output in default mode
                                                                                            on Georgia-Pacific Printing Paper with ColorLok (96
                                                                                            brightness, 22-lb. bond).

           HP Officejet Pro X576dw                                                       PRINT MODE                                     COPY MODE

           Color Business Graphics                                                                 =                                              =
           Color Photographic Images                                                               +                                              =
           Text                                                                                    +                                              =
           Line Art                                                                                =                                              =
           Halftone Range                                                                          +                                              -
           Halftone Pattern/Fill                                                                    -                                             +
           Solids                                                                                  =                                              +
          + indicates image quality that was better than most models in the group; = indicates image quality that’s on the same level as most of
          the laser models ; - indicates image quality that falls below that of most laser models tested.

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WHITE PAPER—Inkjet versus Laser

          HP PRINT QUALITY VS. SMALL WORKGROUP LASER MODELS

          BLI’s image quality assessment is based on samples output with devices in default
          mode, using Georgia-Pacific Printing Paper with ColorLok (96 brightness, 22-lb. bond).
          In addition to a visual observation under a Graphiclite D5000 Standard Viewer, density of
          black and color output is measured using an X-Rite 500 Series Densitometer. To show the
          differences in output quality produced by the Officejet Pro X576dw, some samples were
          also output in the fastest (text) and slowest (images) modes. BLI chose samples from at
          least two different laser models for each comparison to demonstrate the range of laser
          output for the class of device. Images shown from tested laser models generally represent
          typical quality for the competitive class of device. In some cases, additional images were
          chosen to represent defects found in output for the class (such as the fine lines on dark
          backgrounds shown on page 22) .

          •   When printed color images were compared, BLI technicians noted that the X576dw
              produced output in its default Professional Mode that was as good as, if not better
              than, that of small workgroup laser models tested. Despite lower than average density
              readings for cyan and magenta, as can be seen in the images on page 21, output from
              the X576dw showed bright, saturated colors and an above average amount of detail. In
              Presentation Mode, output from the X576dw was marked by even brighter colors and
              greater contrast, putting it on par with or, in some cases, even better than, output from
              many of the laser models.

          •   Fine lines on dark backgrounds and circular lines produced in Professional and
              Presentation Modes were cleaner and more consistent than those produced by many
              laser devices tested. However, some laser devices were better at differentiating thicker
              versus thinner lines.

          •   When printed black text was viewed under magnification, BLI technicians noted that, in
              spite of lower than average black density readings recorded by BLI’s test instruments,
              text from the Officejet Pro X576dw’s default Professional Mode nevertheless appeared
              dark and cleanly formed. Density readings of solid black output printed in Presentation
              Mode were on par with the average for laser models tested, though density readings for
              the fastest mode were lower than those for all laser models in the group.

          •   Not surprisingly, color text produced by color laser models was cleaner and smoother
              than that produced by the Officejet Pro X576dw.

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WHITE PAPER—Inkjet versus Laser

          Print Density Readings vs. Small Workgroup Laser

                                                                                                                      Small Workgroup Laser (Default
                                             HP Officejet Pro X576dw MFP
                                                                                                                                 Mode)
                               Presentation                Professional                  General
                                                                                                                    Average                Highest               Lowest
                                  Mode                        Mode                     Office Mode

           Black                1.41 to 1.46                1.30 to 1.41                1.16 to 1.24             1.40 to 1.49           1.49 to 1.59 1.29 to 1.37

           Cyan                       1.07                        1.04                        0.97                     1.16                   1.47                  0.78

           Magenta                    1.06                        1.08                        0.95                     1.22                   1.30                  1.12

           Yellow                     1.07                        0.99                        1.00                     0.90                   1.02                  0.68
          Color density of a printed image with blocks of all solid colors (based on the average of two readings for each color). Black density
          range is based on readings corresponding to four different solid black locations on the output. The higher the density reading, the
          darker the image.

          Actual Size Of Text:
          The Leader. The Expert. The Source – 6pt

          Magnified Color Text vs. Small Workgroup Laser (Print Mode)

          Small Workgroup Color Laser MFP (typical output in default mode)

          HP Officejet Pro X576dw: General Office Mode (fastest mode)

          HP Officejet Pro X576dw: Professional Mode (default mode)

          HP Officejet Pro X576dw: Presentation Mode (best quality mode)

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WHITE PAPER—Inkjet versus Laser

   Color Photographic Images vs. Small Workgroup Laser (Print Mode)

   HP Officejet Pro X576dw (Professional)            Small Workgroup Laser MFPs (typical output in default mode)

   HP Officejet Pro X576dw (Presentation)            Small Workgroup Laser MFPs (typical output in default mode)

   HP Officejet Pro X576dw (Professional)            Small Workgroup Laser MFPs (typical output in default mode)

   HP Officejet Pro X576dw (Presentation)            Small Workgroup Laser MFPs (typical output in default mode)

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WHITE PAPER—Inkjet versus Laser

          Printed Lines vs. Small Workgroup Laser (Magnified)

          Officejet Pro X576dw (Professional Mode)                                          Officejet Pro X576dw (Presentation Mode)

          Small Workgroup Laser Sample 1                                                    Small Workgroup Laser Sample 2

          Small Workgroup Laser MFPs: though lines were cleanly produced, both laser units had
          difficulty producing white lines on a black background (in Sample 1 the 0.1pt. lines are
          nearly invisible; in the Sample 2 image, the 0.1pt. circular lines are broken).

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WHITE PAPER—Inkjet versus Laser

          Actual Size Of Text:
          BUYERS LAB (12-point text)

          Black Printed Text vs. Small Workgroup Laser (Magnified)

          HP Officejet Pro X576dw (Professional Mode)

          Small Workgroup Color Laser Sample 1 (typical output in default mode)

          Small Workgroup Color Laser Sample 2 (typical output in default mode)

          Small Workgroup Color Laser Sample 3 (typical output in default mode)

          Printed text from the X576dw was generally on par with small workgroup laser models tested.

          HP COPY QUALITY VS. SMALL WORKGROUP LASER
          •   When copied black text was viewed under magnification, BLI technicians noted that
              most laser models produced darker output than the HP model’s default mode. Further,
              copied text from the X576dw had some areas of incomplete fill in the central portion of
              letters and the edges of text appeared more jagged than output from most laser models
              when magnified. In addition, density readings in default mode were lower than all laser
              models in the group. As a result, copied text from most of the laser models appeared
              darker and cleaner than HP’s text when viewed by the unaided eye.

          •   Color images in copy mode from the X576dw default mode were on par with or better
              than copied images from laser models tested. Ink coverage was smooth, color saturation
              was competitive and fine detail was better than average when compared to the group.

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WHITE PAPER—Inkjet versus Laser

          •     However, color copy fidelity readings, which indicate how true colors on copied output
                are to the original, of the Officejet Pro X576dw were worse than average compared to
                laser devices tested.

          Copy Density Readings vs. Small Workgroup Laser
                                          HP Officejet Pro X576dw MFP                                        Small Workgroup Laser (Default Mode)

                             Presentation               Professional                General Of-
                                                                                                               Average                 Highest                 Lowest
                                Mode                       Mode                      fice Mode

              Black            1.40 to 1.44               1.16 to 1.25              1.16 to 1.22             1.40 to 1.50           1.50 to 1.59           1.28 to 1.38

              Cyan                   1.14                       1.08                      1.11                     1.23                   1.47                   1.05

              Magenta                1.26                       1.11                      1.03                     1.20                   1.29                   1.05

              Yellow                 1.07                       1.01                      0.97                     0.90                   0.99                   0.73
          Color density of copied image when tested in the default mode using a KATUN test original containing blocks of all solid colors (based
          on the average of two readings for each color). Black density is based on readings corresponding to four different solid black locations
          on the output. The higher the density, the darker the image.

          Copy Fidelity Readings vs. Small Workgroup Laser (Default Mode)

                                                                                Average            Worst                                               Best
                                         HP Officejet Pro
                                                                            (Small Workgroup (Small Workgroup                                   (Small Workgroup
                                          X576dw MFP
                                                                               Laser MFP)       Laser MFP)                                         Laser MFP)

              Black                                6.53                                3.273                             5.58                               1.8

              Cyan                                 6.15                                5.635                             9.62                               3.59

              Magenta                              3.75                                5.219                             7.52                               3.17

              Yellow                               5.92                                4.982                            10.41                               1.71

              Red                                  8.71                                7.459                            11.14                               4.75

              Green                                5.16                                9.052                            18.48                               5.67

              Blue                                21.68                               11.227                            15.07                               7.31
          Color fidelity of a copy to its original (using a KATUN test original containing blocks of all solid colors: tested in walkup mode using the
          default settings in full-color mode and auto-exposure settings); average of two readings for each color. Measurements are taken with
          a Minolta CM-503i spectrophotometer. The closer the number is to 0, the closer the copy’s color fidelity is to the test original (based
          on the average of two readings for each color).

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WHITE PAPER—Inkjet versus Laser

          Actual Size Of Text:
          BUYERS LAB (12-point text)

          Magnified Text vs. Small Workgroup Laser MFPs (Copy Mode)

          HP Officejet Pro X576dw (Professional Mode)

          Small Workgroup Color Laser Sample 1 (output in default mode shows some minor defects)

          Small Workgroup Color Laser Sample 2 (typical output in default mode)

          Small Workgroup Color Laser Sample 3 (output in default mode shows some minor defects)

          Although copied text was generally on par with small workgroup laser models tested, text
          from the X576dw showed more jagged edges than laser output when magnified.

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WHITE PAPER—Inkjet versus Laser

    Color Graphics vs. Small Workgroup Laser MFPs (Copy Mode)

    HP Officejet Pro X576dw              Small Workgroup Color Laser MFPs (typical output in default mode): some laser devices
    (Professional Mode)                  output is truer to the original test target. produced the blue sky in
                                         incorrect shades

    HP Officejet Pro X576dw (Professional
    Mode) output is truer to the original test
    target

    Small Workgroup Color Laser MFPs (typical output in default mode): some laser models tested produced the blue
    background with more of a greenish hue

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WHITE PAPER—Inkjet versus Laser

          PRODUCTIVITY

          DEFAULT MODE VS. SMALL WORKGROUP COLOR LASER MFPS

          In BLI’s productivity testing, the HP Officejet Pro X576dw, as tested in its default
          Professional Mode, had a great advantage against small workgroup laser models in most
          tests performed; this is to be expected due to the unit’s higher rated speed (42 ppm
          compared with an average of 25 ppm for small workgroup devices).

          PRINT PRODUCTIVITY VS. SMALL WORKGROUP MFPS
          •   When compared with small workgroup models tested, default mode first-print times for
              the Officejet Pro X576dw were the fastest of the group for all file types tested from ready
              mode, though the X576dw was slower than average from overnight sleep mode.

          •   When printing multiple sets of a 10-page test document using the default Professional
              Mode, the Officejet Pro X576dw was again the fastest of the group in all black and color
              modes tested (simplex and duplex).

          •   When printing BLI’s 19-page job stream test suite, which simulates multi-user traffic in a
              busy office, the Officejet Pro X576dw was slower than the average for small workgroup laser
              models tested in black and color. In fact, the X576dw was the slowest of the group in black
              mode. BLI technicians attribute this in part to the way in which the inkjet unit processes the
              stream of mixed files; the unit stops and starts between individual files in the test suite.

          First-Print Times vs. Small Workgroup Laser MFPs

          Device sits idle overnight. Time in seconds includes warm-up, processing, imaging and delivering a single-
          page test file to the tray.

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WHITE PAPER—Inkjet versus Laser

        Twice as
       fast as the
        average

                         First-page times tested with the PCL driver in default mode Time in seconds includes processing, imaging and
                         delivering a single-page test file to the output tray.

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WHITE PAPER—Inkjet versus Laser

          Multi-Set Black Print Speeds vs. Small Workgroup Laser MFPs

          Black print speed is tested with the PCL driver in default mode, using a 10-page black document in simplex and duplex modes. Timing
          begins when the print button is pressed and ends when the last page of the fifth document set completely exits the device into the
          output tray.

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WHITE PAPER—Inkjet versus Laser

          Multi-Set Color Print Speeds vs. Small Workgroup Laser MFPs

          Color print speed is tested with the PCL driver in default mode, using a 10-page color document in simplex and duplex modes. Timing
          begins when the print button is pressed and ends when the last page of the fifth document set completely exits the device into the
          output tray.

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WHITE PAPER—Inkjet versus Laser

          Job Stream Speeds vs. Small Workgroup Laser MFPs (In PPM)

          BLI’s job stream includes Word documents, Outlook e-mail messages, Excel spreadsheets, PowerPoint, HTML and Acrobat PDF files,
          totaling 19 pages. This test simulates the type of traffic a typical device might experience in a real-world, multi-user environment. All
          of the files are sent to the device as a group, at which time the stopwatch begins; timing ends when the last page of the last file exits
          the device. This test is performed using the PCL driver in default mode.

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WHITE PAPER—Inkjet versus Laser

          COPY PRODUCTIVITY VS. SMALL WORKGROUP MFPS
          •    When compared with small workgroup models tested, default mode first-copy times for
               the Officejet Pro X576dw were the fastest of the group in color and black, whether using
               the platen or the document feeder.

          •    When copying multiple sets of a 10-page test original using the default Professional
               Mode, the Officejet Pro X576dw was again the fastest of the group in all black and color
               modes tested (simplex and duplex).

          First-Copy Times vs. Small Workgroup Laser MFPs

          BLI measures first-copy time as the length of time in seconds it takes for a copy to completely exit the device when a copy is made
          from a single-page original placed in the document feeder and on the platen.

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WHITE PAPER—Inkjet versus Laser

          Multi-Set Black Copy Speeds vs. Small Workgroup Laser MFPs

          12.5 ppm
         faster than
           average

          Black copy speed is tested using a 10-page black document in simplex, 1:2 duplex and 2:2 duplex modes. Timing begins when the
          start key is pressed and ends when the last page of the fifth document set completely exits the device into the output tray.

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WHITE PAPER—Inkjet versus Laser

          Multi-Set Color Copy Speeds vs. Small Workgroup Laser MFPs

          11.4 ppm
         faster than
           average

          Color copy speed is tested using a 10-page color document in simplex, 1:2 duplex and 2:2 duplex modes. Timing begins when the start
          key is pressed and ends when the last page of the fifth document set completely exits the device into the output tray.

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WHITE PAPER—Inkjet versus Laser

          TESTED INK/TONER YIELDS VS. SMALL WORKGROUP LASER MFPS

          •     BLI’s yield testing showed that, compared with small workgroup laser models tested, ink
                yields for the Officejet Pro X576dw were higher than average for all four colors tested.
                And, in fact, BLI’s tested yield for the black cartridge was the highest of the group by
                about 1,300 pages.

          BLI’s Tested Yields vs. Small Workgroup Laser MFPs

          BLI’s tested yields are based on an average of two cartridges per color, printed from the PCL driver in default mode, using the ISO 24712 toner yield
          test original.

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WHITE PAPER—Inkjet versus Laser

          USER MAINTENANCE INTERVENTIONS/CONSUMABLE REPLACEMENTS
          •    BLI also evaluated the number of consumables that would need to be installed or
               changed over the course of printing 60,000 pages on each device. Based on BLI’s yield
               testing for ink and toner, and the manufacturers’ rated yields for other consumables, we
               calculate that the Officejet Pro X576dw would require the fewest number of consumables/
               interventions when compared to small workgroup laser devices.

          User Interventions vs. Small Workgroup Laser

          User interventions calculated based on BLI’s yield tests for ink and toner (based on an average of two cartridges per color, using the
          ISO 24712 toner yield test original), as well as manufacturer rated yields for other consumable items (drums, developer units, waste
          containers, etc.). BLI calculated the total number of supply and maintenance items that would be required to output 60,000 pages.
          Each individual cartridge or maintenance item was counted as one intervention, so the cyan, magenta, yellow and black cartridges
          each being replaced once would count as four interventions.

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WHITE PAPER—Inkjet versus Laser

          PLASTIC/METAL CARTRIDGE WASTE VS. SMALL WORKGROUP LASER MFPS

          •    BLI calculated cartridge waste generated by weight for all models tested and found the
               Officejet Pro X576dw was the best compared to the small workgroup models, generating
               just over 2.3 kilograms of cartridge waste.

          Cartridge Waste vs. Small Workgroup Laser MFPs

          Toner/ink cartridge waste based on empty cartridge weights obtained during BLI’s yield tests (based on an average of two cartridges
          per color, using the ISO 24712 toner yield test original). BLI calculated total weight using the number of cartridges required to output
          60,000 pages, using BLI’s tested yields. Separate drums/developer units, maintenance/cleaning kits and waste toner containers are
          not included. Packaging waste is also not included in the calculations shown above.

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WHITE PAPER—Inkjet versus Laser

          POWER CONSUMPTION VS. SMALL WORKGROUP LASER MFPS

          •      BLI used its proprietary test methods to determine approximate annual power consumption
                 and found, as would be expected of inkjet technology, that the Officejet Pro X576dw
                 consumed significantly less power than the laser models tested. The calculations shown
                 below are based on printing approximately 2,500 impressions per month. The power
                 savings is also translated into estimated CO2 emissions and annual power cost to show
                 the significant environmental and financial advantages of the technology.

          Power Consumption/CO2 Emissions vs. Small Workgroup Laser MFPs

          The figures in the graph above represent projected annual energy consumption based on conducting BLI’s Job Stream Matrix test
          once daily five times per week for an entire year. Included in the projection is the power for the device while in sleep mode, weekdays
          and over the weekend. Based on 30,096 impressions per year—actual usage may vary. *CO2 emissions are based on the U.S.
          Environmental Protection Agency’s Climate Change Action Plan emission factor for 2009.

          Projected Annual Power Cost
                                                    $ US               $ Canada                  £ UK            € Germany              € France                € Italy
              HP Officejet Pro
                                                  1.7041                  1.7137               1.6591                2.2646               1.2287               2.5440
              X576dw MFP
              Average Small
                                                 12.7117                 12.7836              12.3762               16.8930               9.1654              18.9777
              Workgroup Laser
              Lowest Small
                                                  3.5627                  3.5828               3.4686                4.7346               2.5687               5.3188
              Workgroup Laser
              Highest Small
                                                 22.2813                 22.4073              21.6933               29.6105              16.0652              33.2645
              Workgroup Laser

          The costs in the following table represent annual energy cost projections based on conducting BLI’s Job Stream Matrix twice daily
          five times per week for an entire year. Included in the projection is the cost of power for the device while in sleep mode and over the
          weekend. The energy costs are based on 2009 rates for the United States and Canada, and 2008 rates for the United Kingdom and
          Germany, as follow: USD: $0.1061; GBP: £0.1033; German Euro: € 0.1410; CDN: $0.1067. These values are multiplied by the kWh
          to arrive at a cost per kWh. Based on 30,096 impressions per year—actual usage may vary.

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