Lexmark T420dn Laser Printer
Contents
1. Monochrome laser is a fast and affordable general office printer that offers attributes valued by large enterprises and small medium businesses alike LEXINGTON Ky Jan 23 2003 Lexmark International Inc NYSE LXK today introduced a business class networkable monochrome laser printer with the durability and dependability to meet the needs of virtually any small workgroup This affordable general office printer packs network printer functionality into a low profile and small footprint making it an ideal solution especially for businesses and offices with space challenges The Lexmark T420d offers quick output speeds high resolution for crisp text and images duplex printing and exceptional ease of use features that are often found in higher end products but now included in this new design from Lexmark The Lexmark T420d is a remarkable printer because of its universal appeal combining network performance and high reliability in a very compact design said Paul Rooke Lexmark executive vice president and president of its Printing Solutions and Services Division Our customers both large and small have asked us for this class of product and we re excited to deliver it Designed for small workgroups the Lexmark T420d is ideal for the distributed printing enterprise environment and for small and medium businesses The Lexmark T420d is equipped with premium features such as the advanced capability of automatic duplex2. Speed test comparisons were performed by QualityLogic Inc an independent third party testing firm retained by Lexmark to perform an industry standard suite of printer performance tests Positioning the Printers in Lexmark s Product Line The letter legal size T420 printers target small to medium businesses especially those users need of a small footprint The T420d fits several vertical industries needs where desk or store space is at a premium such as retail healthcare and financial services companies The following bullets and chart identifies Lexmark s entire monochrome laser product line as of February 2002 and let s you see where the T420d and T420dn fit e The affordable E320 targets home home office and small business users with its USB and parallel connectivity while the E322 adds built in Ethernet e The look alike T520 T522 T620 and T622 the T series are perfect departmental printers the four models offer a range of output speed and options such as stapling bin sorting and the ability to connect Lexmark s flatbed copier scanner fax multifunction unit e The W series offers large format printing and high monthly duty cycles Lexmark Monochrome Laser Printers Web Price 299 419 619 649 1 099 699 899 1 499 1 159 1 489 2 099 Source Lexmark Max Media 8 5 x 11 8 5 x 11 8 5 x 11 8 5 x 11 8 5 x 11 8 5 x 11 8 5 x 11 1
3. Part Ill Additional Resources cccceeeeeeeeeeeeeeeeeeeeeeeeees 12 Returning the Printer to Lexmark sseeeeeeeeeeeeeeees 14 Product Specifications scc cineeeeecncrnes Besuieeeeeadiei neeenteneibes 15 Press Release Reviewer s Guide Lexmark T420d Part About the T420d This section contains materials that you may find of interest when researching your review story Key Editorial Statement Fast Small Versatile Affordable Breakthrough These words describe the Lexmark T420d laser printer Rated at 22 pages per minute ppm the T420 models offer standard duplex printing time to first page TTFP output in 10 seconds and a 50 000 paper per month duty cycle in a small desktop package all for just 649 Lexmark T420d A World s First The Lexmark T420d is the world s first sub 650 laser printer that includes automatic both sides of the paper duplex printing as a standard no extra cost feature Source Lexmark What s the Big Deal about Duplex Printing How about cutting your paper cost by half That s what printing on both sides does Duplex printing is a trees best friend utilizing the front and back of each page for printing output Most users don t think much about duplex printing That s because this capability has never been widely available and certainly never available at such a low price Who Is the T420d for The T420d printer is designed to meet the needs of dep
4. accurate image of Multipurpose Feodal ase Frinter e printer and its Sheet Tray the print d it 500 Sheet T installed options is crucial to maximizing users comfort levels Update Defaults amp Lexmark T420 Properties AES 4 Creating a duplex Setup Paper Graphic Font Overlay Profiles Web About M Orientation Multiple Copies Portrait Landscape I Rotate 180 Copies fi I Printer Collate m Multipage Printing rn Paper Layout C None Long Edge Short Edge T Show Border print job to print on both sides of the paper is a simple matter of choosing the correct duplex option The illustration under the word duplex changes as the user selects long edge or short edge duplexing or none at all The multipage option places reduced page images on each side of the sheet further reducing paper use Reviewer s Guide Lexmark T420d Support for Overlays An overlay is a template that can be defined and printed before the current job is printed Typical examples of overlays include company logos or letterheads decorative borders and simulated preprinted forms invoices statements etc Overlays can include text graphics or images Overlay support is gt PaE sates another feature that allows company s to Setup Paper Graphic Font Overlay Profiles Web About cut costs by liminati thei Ove
5. Ib or 75 gsm bond 850 pages 20 Ib or 75 gsm bond 150 pages 20 Ib or 75 gsm bond 170 pages 20 Ib or 75 gsm bond 10 Ships with 5 000 page Prebate Print Cartridge 5 000 page Print Cartridge 10 000 page High Yield Print Cartridge Yield at approximately 5 coverage USB Centronics IEEE 1284 Bidirectional Parallel Ethernet 10 100BaseTX on T420dn External Serial Adapter External 802 11b Wireless External Ethernet 10 100BaseTx External Ethernet 10BaseT 2 External Token Ring Using Standard Ethernet or MarkNet Print Server PCL 6 Emulation Personal Printer Data Stream PPDS PostScript 3 Emulation 84 scalable PCL fonts 2 PCL bitmap fonts 39 scalable PPDS fonts 5 PPDS bitmap fonts 89 scalable PostScript fonts OCR A OCR B scalable PCL 5e fonts Chinese and Japanese Font DIMMs Fonts and Symbols Sets for Lexmark T52x T62x W812 and W820 3 of 9 scalable PCL 5e fonts in Narrow Regular and Wide To within 0 157 inches of the top bottom right and left edges To within 4 0 mm of the top bottom right and left edges 10 x 16 x 16 7 30 3 Ibs 30 dBA 51 dBA 50 000 pages per month One Year Limited LexExpress Power Cord Laser Printer Prebate Print Cartridge Drivers MarkVision and Utilities CD Publications CD Operator Panel Local Language Overlays Quick Reference Card Setup Guide 16 Reviewer s Guide Lexmark T420d Press Release The new Lexmark T420d High performance ina low profile printer
6. is furnished on loan and should be returned to Lexmark following the completion of your review REMOVE AND DISCARD THE TONER CARTRIDGE BEFORE YOU RETURN THE PRINTER TO LEXMARK Pack the printer in its original carton and ship to Lexmark International 740 New Circle Road Lexington Ky 40550 Bldg 200 Attn Roger Coots 859 232 2066 Airborne Express Account 39719901 14 Reviewer s Guide Lexmark T420d Product Specifications The product specifications shown in the following chart are from the Lexmark Web site Specifications are subject to change For up to date specifications visit the following pages T420d http www lexmark com US products tech_specs 0 1231 MZM4NXwx 00 html T420dn http www lexmark com US products tech_specs 0 1231 MZM4Nnwx 00 html Printer Specifications T420d T420dn Print Technology Print Resolution Black Print Speed letter black Print Speed letter black Duplex Print Speed A4 black Print Speed A4 black Duplex Time to First Page black Processor Memory standard maximum Apple Macintosh Operating Systems Supported Microsoft Windows Operating Systems Supported Novell Operating Systems Supported Linux Operating Systems Supported UNIX Operating Systems Supported Other Operating Systems Supported Citrix MetaFrame Paper Handling Configuration Standard Paper Handling Configuration Optional Media Sizes Supported Laser Monochrome 1
7. 0d rates at 50 000 pages per month fully 25 percent more than the 40 000 page duty cycle of the hp LJ 2200 And of course the T420d offers both sides automatic duplex printing for the base 649 price You would have to pay an extra 100 to get duplexing in the hp LaserJet 2200 U S street prices are estimates actual prices may vary Reviewer s Guide Lexmark T420d Part Il Conducting Your Review Setting Up the Printer First find a suitable spot for the printer It s important to make sure you have at least three inches of clearances to the right of the printer to ensure adequate ventilation Getting the T420d out of the box and ready to print couldn t be simpler The printed Setup Guide includes many drawings that will guide your readers through the process In addition to the printed Setup Guide the driver CD ROM contains two manuals Local Printer Install and Network Printer Install that provide detailed configuration information Both are presented in Adobe Acrobat PDF format e Position the optional 250 or 500 sheet paper drawer first if you have one Lower the printer onto the desk or onto the guide pins from the optional paper drawer Raise the paper rest into position Install the toner cartridge Load paper Connect the printer with a parallel USB or Ethernet T420dn only cable depending on your test environment Plug in the power cord e Install the software Retain all shipping materials You ll need th
8. 1 x 17 8 5 x 11 8 5 x 11 11 x 17 Speed ppm 6 Maximum Resolution 600 x 600 600 x 600 600 x 600 600 x 600T 600 x 600T 1200 x 1200 1200 x 1200 600 x 600T 1200 x 1200 1200 x 1200 1200 x 1200 Street price 1200 IQ print quality Reviewer s Guide Lexmark T420d Reader Info Box The information in this table may be useful as you compile information for your review s reader information box Reader Info Box Lexmark T420d T420dn In brief Lexmark s T420d is the world s first laser printer with duplex printing as a standard feature for less than 650 With its ultra compact size duty cycle of 50 000 pages per month and speed of 22 ppm the T420d is the only printer that many small businesses or corporate departments will ever need Price T420d 649 T420dn network ready 1 099 Weight 30 3 Ibs Dimensions 16 x 16 7 x 10 2 W x D x H Speed Up to 22 ppm or up to 12 page sides per minute when duplexing TTFP in less than 10 seconds Warranty One year limited LexExpress Vendor Lexmark International Inc Lexington Ky Web site www lexmark com The Bottom Line If the question is why pay more and get less then the answer is the Lexmark T420d and T420dn duplexing monochrome laser printers For an estimated street price of 649 the T420d is smaller faster and has a five percent lower cost per page than the identically priced Hp LaserJet 2200 However the T42
9. 200 Image Quality 300 x 300 dpi 600 x 600 dpi Up to 22 pages per minute Up to 12 page sides per minute Up to 21 pages per minute Up to 12 page sides per minute 10 seconds 200 MHz T420d 16 MB 272 MB T40dn 32 MB 288 MB Apple Mac OS 8 6 9 x Apple Mac OS X Windows 2000 Professional Server Advanced Server Windows 95 4 00 950 or later Windows 98 Second Edition Windows Me Windows NT 4 00 4 00 Server Windows XP Novell Netware Enterprise Print Services NEPS with Lexmark NDPS IP Gateway Novell NetWare 3 x 4 x 5 x 6 x including full NDS and NDPS support Novell Distributed Print Services NDPS 2 0 or later with Lexmark NDPS IP Gateway Caldera eDesktop 2 4 Red Hat Linux 7 0 7 1 7 2 SUSE 7 1 7 2 7 3 Linux TurboLinux Workstation 6 0 6 1 Certified Solaris Ready by Sun Microsystems Compaq Digital UNIX 4 0D Compaq Tru64 UNIX 4 0F HP UX 10 20 11 00 IBM AIX 4 2 1 4 3 3 5 1 SCO OpenServer 5 0 4 5 0 5 5 0 6 SGI IRIX 6 5 x Sun Solaris 7 8 9 Sun Solaris x86 2 6 7 8 SCO UnixWare 7 0 7 1 7 1 1 IBM iSeries or IBM AS 400 Systems with TCP IP with OS 400 V3R1 or later using OS 400 Host Print Transform Virtually any platform supporting TCP IP Microsoft Windows 2000 Server Terminal Services with Citrix MetaFrame 1 8 or XP 1 0 Microsoft Windows NT 4 0 Terminal Server with Citrix MetaFrame 1 8 or XP 1 0 250 Sheet Input Tray Integrated Duplex 20 Sheet Rear Output Bin 150 Sheet Output Bin 250 Shee
10. Reviewer s Guide Lexmark T420d Duplexing Monochrome Laser Printer LEXMARK Passion for printing ideas Reviewer s Guide Lexmark T420d 2003 Lexmark International Inc Lexmark the Lexmark with diamond design Prebate and MarkVision are trademarks of Lexmark International Inc and are registered in the United States of America and or other countries LexOnSite and LexExpress are service marks of Lexmark International Inc Adobe and Acrobat are registered trademarks of Adobe Systems Inc Other products may be trademarks of their respective owners The information contained in this document was examined carefully and is believed to be accurate as of its date of publication Reviewer s Guide Lexmark T420d Contact references Refer your readers to 1 800 LEXMARK Press relations contacts Jeanne Talbot Manager Press and Analyst Relations 859 232 7569 jtalbot lexmark com Emily Strickland Press Relations Manager 859 232 7818 estrickl lexmark com Product support contact Jeff Roberts Product Marketing Manager 859 232 2345 robertsj lexmark com Return your evaluation unit to Lexmark International 740 New Circle Road Lexington Ky 40550 Bldg 200 Attn Roger Coots 859 232 2066 Airborne Express Account 39719901 Reviewer s Guide Lexmark T420d A Note to Reviewers from Lexmark This brief guide provides information to help you publish a review of Lexmark s T420d monochrome
11. artmental and small business users who demand the crisp output that only a laser printer can provide but who want it in an easy to use high quality printer In addition with the ability to print on both sides the T420d is a great way to cut costs a fact of life that every company is facing regardless of size i Estimated U S street price actual prices may vary Reviewer s Guide Lexmark T420d Top Features Bullet Point Chart Many reviews include a chart identifying a product s top features Here are the top cool things you may want to include about the Lexmark T420d and T420dn printers Lexmark T420d T420dn Features Automatic both sides duplex printing at no extra cost Smaller faster and more feature rich than hp LaserJet 2200 22 ppm output 10 seconds to first page Overlay support eliminates need for pre printed forms USB and parallel ports T420dn adds Ethernet connection Up to 50 000 page per month duty cycle Works with Windows Macintosh Linux and Unix Source Lexmark Overview of the T420d and T420dn As you ve seen the T420 is actually a family of two printers The base T420d model is complemented by its twin the Ethernet ready T420dn Both models offer duplex printing capability This chart differentiates the two models T420 Model Highlights Est street Ports Std Max Price RAM RAM USB CPU 649 parallel 16MB 272MB 200MHz USB parallel Ethernet 1 039 32MB 288MB 200MHz Sou
12. ers Ease of Use Lexmark s drivers are well illustrated and easy to follow They contain the status information that user s need to know when working with the T420d printer Since the T420d and T420dn offer duplex printing as a standard feature it is important that users understand the process for creating duplex print jobs To reach your own independent conclusion about ease of use you may want to have a non expert user create a duplex print job amp Lexmark T420 Properties S 4 The driver displays 2 o i an accurate photo Ports Advanced Color Management of the T420d that User Customize About conforms to the list of installed options Ipdate I Page Protection a Users can i immediately see Printer Memory in MB fi 6 3 Mote ME a which options are STALEY installed and how Exi any us the printer should Available Options Installed look 250 Sheet Tray Duplex Option 500 Sheet Tray Multipurpose Feeder Flash Memory Card Base Printer Defaults Reviewer s Guide Lexmark T420d Here is the same gt P SEEEN Properties driver dialog as in 1 Color Management About the previous General Sharing Ports Advanced example but with Device User Customize the 500 sheet input now installed Note I Page Protection that this optional bse wipe ane HOA Printer Memory in MB 16 rinter 7 P LEXMARK Lexmark research Available Options Installed has shown that an Flash Memory Card
13. ese when you ship your test unit back to Lexmark following the completion of your product review Reviewer s Guide Lexmark T420d Network setup If you plan to attach the T40dn to a TCP IP network you should assign an IP address to the printer If your network uses DHCP an IP address should be assigned automatically after you connect the network cable If the network does not use DHCP you ll need to assign an IP address manually Refer to page 25 of the Setup Guide for additional information Driver installation Drivers are available for various versions of Windows Macintosh OS Linux and Unix Refer to page 27 of the Setup Guide for details on the operating environment you choose Setup Options PR 4 The installation utility features a printer drivers for a printer connected directly to your computer wid eva riety of TEoneare update options including Select this option to update curently installed printer software driver updates Advanced Install Options support for local Custom install and network oor people orp inves ala printing installation from a script of Script install Scripting Help previously defined Select this option to install printer software from a script file which contains previously saved pa ra mete rs an d ssh e can be a file that you previously created or one your system administrator has un i n sta ati on S cri pt support is useful Uninstall software when installing Select this option to
14. ing It also boasts print speeds of 22 pages per minute a quick time to first print and a rugged duty cycle of 50 000 pages per month The Lexmark T420d is a complementary addition to the company s monochrome family of award winning printing solutions The Lexmark T420d has an estimated street price of 649 Its economic value to customers is enhanced by the offering of high yield cartridges that significantly reduce the total cost of printing A network ready model is also available at an estimated street price of 1099 More detailed information about the benefits of the Lexmark T420d can be found at http www lexmark com US solutions business For a full listing of authorized Lexmark solution providers visit www lexmark com US products catalog About Lexmark Lexmark International Inc is a leading developer manufacturer and supplier of printing solutions including laser and inkjet printers multifunction products associated supplies and services for offices and homes in more than 150 countries Founded in 1991 Lexmark reported approximately 4 4 billion in revenue in 2002 and can be found on the Internet at www lexmark com HE Street price is an estimate and is in U S dollars actual price may vary 17
15. laser printer We hope you ll find it useful We d like your feedback and look forward to your published review For your convenience this guide is divided into three parts e Part I Information for your readers e Part Il Testing the printer e Part Ill Additional resources Photos High resolution product photographs are available at http www lexmark com US virtual_ press room t420d_ image bank html Reviewer s Guide Lexmark T420d Table of Contents Part Is About the T4200 2 2 5c0005c0i heh pii eh ceeicea heii 1 Key Editorial Statement cccceeccceeeeeeeeeeeeeeeeeeeeeeeeeeeeees 1 What s the Big Deal about Duplex Printing 1 Who Is the T420d fOr cccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 1 Top Features Bullet Point Chart 0 cceeceeseeeeeeees 2 Overview of the T420d and T420d0N ccceeeeeeeeeee 2 Beating the Competition HP Xerox Can t Keep Up 3 Positioning the Printers in Lexmark s Product Line 4 Reader Info BOX iisccccnelnaaulonncintonlad meletinginge 5 The Bottom LiN ee enne a ie 5 Part Il Conducting Your Review 6 Setting Up the Printer 2 2 22 cs sseeeceeeeeeeeeeeeeeees 6 What Should You Test sf 2 0 cstdectlesdiecidentisetlenienssdieaieels 7 Printer SPSS WSIS sicrccunsdevasaaterseareeevesunatersucveterccenetevorexe 10 DOCUMENTATION asi tesctetettolstncst lates tnlateritslateiseetaterstlatecne 11
16. rce Lexmark Reviewer s Guide Lexmark T420d Beating the Competition HP Xerox Can t Keep Up Lexmark s T420d is faster smaller and offers more standard features than Hewlett Packard Co s identically priced hp LaserJet 2200 The T420d also beats Xerox Kyocera and Brother Here are the facts to back up Lexmark s position Lexmark vs HP T420d vs LaserJet 2200 T420d LJ 2200 Price 649 649 Duplex printing Standard 100 Option Speed 22 pgs min 19 pgs min Size WxHxD 16 x 10 2 x 16 7 16 x 10 x 17 1 Footprint 267 sq in 274 sq in Cost per page 0 0193 0 0198 Duty cycle 50 000 pgs mo 40 000 pgs mo Time to first page 10 seconds lt 15 seconds Std memory 16 MB 8 MB Processor 200MHz 133MHz Resolution 1200 quality 1200 x 1200 Source Lexmark for T420d hp Web site for LaserJet 2220 Speed comparison The network models of several comparably priced printers were given the same files to print When comparing the total print times of all files used in the test the results were as follows The Lexmark T420dn performed 232 percent faster than the Hp LaserJet 2200dn 145 percent faster than the Brother HL 1870N 118 percent faster than the Xerox Phaser 3400N 96 percent faster than the Kyocera Mita FS 1900N 2 U S street prices are estimates actual prices may vary http h10010 www1 hp com wwpc us en un WF05 18972 236251 236263 14638 28861 html Reviewer s Guide Lexmark T420d
17. rlay Order eiminating their First Page Other Pages stock of pre printed forms Odd Pages Even Pages Overl ays can Overlay Selections contain both text First Page Other Pages and graphics User defined overlay files are downloaded to the printer Overlay Placement Over Page C Under Page Printer Speed Tests Two aspects of printer performance relate to speed sustained output measured in ppm and TTFP measured in seconds Sustained print speed The T420d rates at 22 ppm at five percent page coverage This is the first tome that Lexmark has broken the 800 barrier for performance exceeding 20 ppm The competing hp LaserJet 2200 rates at 19 ppm As you saw in the earlier comparison chart the Lexmark employs a 200MHz processor whereas the hp LaserJet 2200 uses a 133MHz processor 10 Reviewer s Guide Lexmark T420d As noted earlier an independent testing organization compared the Lexmark T420dn with several similarly priced network ready printers The Lexmark was found to be 232 percent faster than the hp LaserJet 2200dn 145 percent faster than the Brother HL 1870N 118 percent faster than the Xerox Phaser 3400N 96 percent faster than the Kyocera Mita FS 1900N You can view this independent report at http www lexmark com US pdf labreports t420dn_qualitylogic pdf Time to first page The time span from clicking the mouse to submit a print job until the first page emerges from the printer is the TTFP Clearl
18. t Drawer 500 Sheet Drawer Only one drawer may be installed at a time A4 8 27 x 11 7 or 210mm x 297mm A5 5 83 x 8 27 or 148mm x 210mm Executive 7 25 x 10 5 or 184mm x 267mm Folio 8 5 x 13 or 216mm x 330mm JIS B5 7 17 x 10 12 or 182mm x 257mm Legal 8 5 x 14 or 216mm x 355mm Letter 8 5 x 11 or 216mm x 279mm Statement 5 5 x 8 5 or 140mm x 216mm 15 Reviewer s Guide Lexmark T420d Printer Specifications T420d T420dn Media Types Supported Paper Input Capacity Standard Paper Input Capacity Maximum Paper Output Capacity Standard Paper Output Capacity Maximum Envelope Capacity Supplies Yields Standard Ports Optional Local Ports Optional Network Ports Network Connectivity Printer Languages Standard Font Selection Bar Code Fonts Printable Area Printable Area metric Size Height x Width x Depth Weight Noise Level Idle Operating Duty Cycle Maximum Warranty In the Box B5 Envelope 6 93 x 9 84 or 176mm x 250mm C5 Envelope 6 38 x 9 02 or 162mm x 229mm DL Envelope 4 33 x 8 66 or 110mm x 220mm 7 3 4 Envelope 3 875 x 7 5 or 98 4mm x 190 5mm 9 Envelope 3 875 x 8 9 or 98 4mm x 225 4 mm 10 Envelope 4 125 x 9 5 or 105mm x 241mm Envelopes in Multipurpose Feeder only Post Card 4 x 6 Universal Plain Paper Up to 90lb index 163gsm Transparencies Envelopes Card Stock Dual Web Labels Integrated Labels Paper Labels 350 pages 20
19. uninstall currently installed printer software several identical gt Next x Cancel printers Educating users The included Publications CDs contain a great deal of information formatted and presented in a user friendly way which is helpful to users Information on the Publications CD includes tips for improving print quality explanation of the operator panel tips for clearing paper jams and much more The contents of the Publications CD are a series of PDF files that can be easily shared to a shared directory or Intranet site Installation and configuration of the printer is now complete What Should You Test Duplex printing is what sets the T420d and T420dn apart from all other printers in its price class so you ll almost certainly want to concentrate your testing efforts on the printer s duplexing capabilities Be sure to look closely at the printer driver screens as they will guide users through the not so familiar process of submitting a print job for duplex printing Finally standard tests for print speed and quality may constitute a portion of your testing Reviewer s Guide Lexmark T420d What matters most to someone who buys a personal laser printer Only one thing how good the printed pages look Speed though important is not something that s apparent when handing a report to the teacher or the boss Here are some suggestions for printing different kinds of output typical of home small business or student us
20. y the shorter this interval is the better The Lexmark T420d printer is rated at a TTFP of 10 seconds the competing hp LaserJet 2200 has a TTFP of lt 10 seconds according to the manufacturer s own Web site Documentation Included with the T420d printer is a concise printed Setup Guide Two CD ROMs are also present The first contains the device drivers and the detailed installation guides for local and network printing The second is a publications disc that contains additional documentation in a variety of languages The documentation is in Adobe Acrobat PDF format e The documentation file contains links to Lexmark s Web site ensuring that users are provided with the latest information and updated drivers 11 Reviewer s Guide Lexmark T420d Part Ill Additional Resources Reviewer s Guide Lexmark T420d Product Photos http www lexmark com US virtual press room t420d image bank html Lexmark marketing presentation PDF download http www lexmark com US virtual_ press room pdf T420dpresentation pdf Product specification sheet PDF download http www lexmark com US virtual_ press room pdf T420 spec pdf Third party testing report from Quality Logic Inc PDF download http www lexmark com US pdf labreports t420dn_qualitylogic pdf 13 Reviewer s Guide Lexmark T420d Returning the Printer to Lexmark Lexmark is pleased that you have chosen to review the model T420d printer Please note that this product
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