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Lexmark T642 Printer

Lexmark Printers, Optra, printers, laser printers

Versatile: Specialized and general office printing is consolidated on one printer supporting an array of business output application needs.

Powerful: Standard 64MB RAM, expandable to 576MB, and a 457 MHz processor to handle large print jobs.

Security: In network printers with Lexmark MarkNet™ N8000 series print servers, SNMPv3, SSL*, IPSec and 802.1x authentication provide security measures for printer communications and data encryption. (*See Features)

Convenient: For network printers, direct PDF printing from a USB flash drive using the convenient USB Direct interface on the operator panel.



For a Free Quote Call 800-757-0800 or email

Print Technology Monochrome Laser 
Supplies: Functions only with replacement cartridges designed for use in the United States and Canada
Print Speed (Letter, Black) Up to 45 ppm
Print Speed (A4, Black) Up to 43  ppm
Time to First Page (Black) as fast as 8.5 seconds
Print Resolution, Black 1200 Image Quality 
1200 x 1200 dpi 
2400 Image Quality 
600 x 600 dpi 
Processor 457 MHz
Memory, Standard 64 MB
Memory, Maximum 576 MB
Expandable Memory Options Yes 
Apple Macintosh Operating Systems Supported Apple Mac OS X  
Apple Mac OS 9.x 
Citrix MetaFrame Citrix, MetaFrame and MetaFrame XP are registered trademarks or trademarks of Citrix Systems, Inc. in the U.S. and other countries. 
Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0.  
Microsoft Windows Server 2003 running Terminal Server with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0  
Microsoft Windows 2000 Server running Terminal Services with Citrix Presentation Server 4.0 
Microsoft Windows Server 2003 running Terminal Server with Citrix Presentation Server 4.0  
Linux Operating Systems Supported Red Hat Linux 7.3, 8.0, 9.0  
Red Flag Linux 4.0 
Linpus Linux 9.2 
Red Hat Enterprise Linux WS 3.0, 4.0 
SuSE Linux Enterprise Server 8.0, 9.0 
SuSE Linux Professional 9.0, 9.1, 9.2  
Debian GNU/Linux 3.0 
Linspire Linux 4.5 
Microsoft Windows Operating Systems Supported Microsoft Windows 2000 (Professional/Server/Advanced Server) 
Microsoft Windows NT (4.00/4.00 Server) 
Microsoft Windows Me 
Microsoft Windows XP (Home, Professional) 
Microsoft Windows Server 2003 (Standard, Enterprise)  
Microsoft Windows 98 2nd Edition  
Microsoft Windows XP Professional x64 
Microsoft Windows Server 2003 running Terminal Server 
Microsoft Windows 2000 Server running Terminal Services 
Novell Operating Systems Supported Novell® Open Enterprise Server for Netware with NDS, iPrint or Novell Distributed Print Services (NDPS) 
Novell NetWare® 3.2, 4.2 (bindery) 
Novell NetWare 4.2, 5.x and 6.x (NDS) 
Novell NetWare 5.x, 6.x with iPrint or Novell Distributed Print Services (NDPS) 
Other Operating Systems Supported 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 
UNIX Operating Systems Supported Sun Solaris 7, 8, 9, 10 
HP-UX 11.00, 11.11 
IBM AIX 5.1, 5.2, 5.3 
Paper Handling Standard 500-Sheet Output Bin 
500-Sheet Input Tray 
100-Sheet Multipurpose Feeder  
Paper Handling Optional 1,850-Sheet High-capacity Output Stacker 
250-Sheet Universally Adjustable Tray with Drawer 
400-Sheet Universally Adjustable Tray with Drawer 
5-Bin Mailbox 
650-Sheet Output Expander 
Envelope Feeder 
StapleSmart Finisher 
250-Sheet Drawer 
500-Sheet Drawer 
500-Sheet Duplex Unit 
2,000-Sheet High-capacity Feeder  
Paper Input Capacity (Standard) 600  pages 20 lb or 75 gsm bond
Paper Input Capacity (Maximum) 4100 pages 20 lb or 75 gsm bond
Paper Output Capacity (Standard) 500  pages 20 lb or 75 gsm bond
Paper Output Capacity (Maximum) 3000 pages 20 lb or 75 gsm bond
Envelope Capacity 85  
Finishing Option? Yes 
Number of Paper Inputs
Number of Paper Inputs, Maximum
Media Types Supported Card Stock 
Dual Web Labels 
Integrated Labels 
Paper Labels 
Plain Paper 
Polyester Labels 
Vinyl Labels 
Refer to the Card Stock & Label Guide  
Media Sizes Supported 10 Envelope (4.125" x 9.5" or 105mm x 241mm) 
7 3/4 Envelope (3.875" x 7.5" or 98mm x 191mm) 
9 Envelope (3.875" x 8.9" or 98mm x 225mm) 
A4 (8.27" x 11.7" or 210mm x 297mm) 
A5 (5.83" x 8.27" or 148mm x 210mm) 
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) 
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) 
Supplies Yield 6,000*-page Print Cartridge 
21,000*-page High Yield Print Cartridge  
Ships with 6,000*-page Return Program Print Cartridge  
*Average standard page yield value declared in accordance with ISO/IEC 19752. 
Standard Ports Centronics IEEE 1284 Bidirectional Parallel 
Two Internal Card Slots 
USB Compatible with USB 2.0 Specification 
USB Direct interface on Operator Panel 
Optional Local Ports Internal RS-232C serial 
Internal 1284-B Bidirectional Parallel  
Optional Network Ports Coax/Twinax Adapter for SCS 
External Ethernet 10/100BaseTX (Print Only) 
External Token-Ring (Print Only) 
Internal Ethernet 10/100BaseTX 
Internal Fiber 100Basefx 
Lexmark N4000e for Ethernet 10/100Base TX (Print Only)  
Lexmark N4050e 802.11g Wireless Print Server (Print Only) 
Internal Gigabit Ethernet  
Internal 802.11g Wireless 
Fonts and Symbol Sets 3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide 
158 scalable PostScript fonts  
2 PCL bitmap fonts  
39 scalable PPDS fonts  
5 PPDS bitmap fonts  
84 scalable PCL fonts  
OCR-A, OCR-B scalable PCL 5e fonts  
For more information, refer to the Technical Reference. 
Printable Area 0.167 inches of the top, bottom, right and left edges (within)
Printable Area (metric) 4.2 mm of the top, bottom, right and left edges (within)
Printer Languages (Standard) PCL 6 Emulation 
Personal Printer Data Stream (PPDS) 
PostScript 3 Emulation 
PDF 1.5 
Size (mm - H x W x D) 406 x 436 x 523  mm
Size (" - H x W x D) 16 x 17.2 x 20.6  "
Weight (kg) 23.1 kg
Weight (lbs) 51 lbs.
Packaged Size (mm - H x W x D) 533 x 518 x 591 mm
Packaged Size (" - H x W x D) 21 x 20.38 x 23.25 "
Packaged Weight (kg) 25.78 kg
Packaged Weight (lbs) 56.84 lbs.
Noise Level, Idle 30 dBA
Print Noise Level, Operating 55 dBA
Product Warranty One Year Advanced Exchange 
Product Certifications Energy Star, CSA, ICES Class B, BSMI Class B, VCCI Class B, FCC Class B, UL 60950 3rd Edition, IEC 320-1, CE Class B, CB IEC 60950, IEC 60825-1, GS (TÜV), SEMKO, UL AR, CS, TÜV Rh, N Mark, C-tick Class B CCC Class B  
Duty Cycle: Up to 225,000 one-time maximum Impressions per month
Specified Operating Environment Temperature: 16 to 32°C (60 to 90°F) 
Humidity: 8 to 80% Relative Humidity 
Altitude: 0 - 3048 Meters (10,000 Feet) 

laser printers, printers, Optra, Lexmark Printers

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(810) 231-2883
(800) 757-0800


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