Lexmark Optra T644N, T644TN, T644DTN Compiled by   Sam C. Chan

Lexmark Workhorse History   JAN 2015
1987? 4039-10R   (IBM)
1991 4049-12R   @divestment
1995 Optra R   first major line post-divestment
2000 Optra T630
2004 Optra T640
2009 Optra T650
2014 MS810

First Publish: February 2, 2005
Last updated:
June 29. 2007

Status:  Legacy Bravo PSL0


Notable Features:

  • 50PPM speed
  • Commercial Workhorse Grade
    duty, dependability & serviceability
  • 1.02¢/page: Extra High Yield Prebate cartridge
  • Secure Print Job pick-up
  • Direct print: pictures & pdf via USB flash drives
  • PCL5e, PCL6, Postscript 3 & PPDS
  • Resident OCR-A & OCR-B for MICR
  • Simultaneous TCP/IP, IPX/SPX, Appletalk. Lexlink
  • Well-proven IT management features
  • Free Advanced Exchange (next business day)
  • Official Bravo BSSO/PSL0 designation

Lexmark Optra T644 Specifications
Print Technology Monochrome Laser
Bravo-Recommended Toner Cartridge 64415XA 32K Extra Hi Yield Prebate
Note: Printer functions only with cartridges designed for use in the United States and Canada. A total of 8 different cartridges available for this printer.
Print Speed (Letter, Black): Up to 50 ppm 
Print Speed (A4, Black): Up to 48 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 514 MHz
Memory, Standard 128 MB
Memory, Maximum 640 MB
Expandable Memory Options Yes
Apple Macintosh Operating Systems Supported Apple Mac OS X  
Apple Mac OS 9.x
Citrix MetaFrame Presentation Server or Citrix MetaFrame Presentation Server 3.0.  
Microsoft Windows Server 2003 running Terminal Server with Citrix MetaFrame XP 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 Desktop 4.0, 5.0 
Linpus Linux Desktop 9.2, 9.3 
Red Hat Enterprise Linux WS 3.0, 4.0, 5.0 
SUSE Linux Enterprise Server 8.0, 9.0, 10.0 
SUSE Linux Professional 9.1, 9.2, 9.3 
Debian GNU/Linux 3.1 
Linspire Linux 5.0 
Microsoft Windows Operating Systems Supported Microsoft Windows 2000 
Microsoft Windows NT (4.00/4.00 Server) 
Microsoft Windows Me 
Microsoft Windows XP 
Microsoft Windows Server 2003 
Microsoft Windows 98 2nd Edition  
Microsoft Windows XP x64 
Microsoft Windows Server 2003 running Terminal Server 
Microsoft Windows 2000 Server running Terminal Services 
Microsoft Windows Server 2003 x64 Edition  
Microsoft Windows Server 2003 x64 Edition running Terminal Services 
Microsoft Windows Vista 
Microsoft Windows Vista x64 
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 SPARC 7, 8, 9, 10 
HP-UX 11.00, 11.1 
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  (20G0891)
StapleSmart Finisher 
250-Sheet Drawer 
500-Sheet Drawer 
500-Sheet Duplex Unit 

2,000-Sheet High-capacity Feeder  
Paper Input Capacity (Standard/Maximum) 600 / 4100 pages   pages 20 lb or 75 gsm bond
Paper Output Capacity (Standard/Maximum) 500 / 3000  pages 20 lb or 75 gsm bond
Envelope Capacity 85  
Finishing Option? Yes 
Number of Paper Inputs
2 / 6
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 
7 3/4 Envelope 
9 Envelope 
DL Envelope 
Supplies Yield 6,000*-page Print Cartridge 
21,000*-page High Yield Print Cartridge  
32,000*-page Extra High Yield Print Cartridge  
Ships with 21,000*-page High Yield 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 
Lexmark N4000e Fast Ethernet (Print Only)  
Lexmark N4050e 802.11g Wireless Print Server (Print Only) 
Internal MarkNet™ N8020 GigaBit Ethernet 
Internal MarkNet™ N8050 802.11g Wireless 
External MarkNet™ N7020e Gigabit Ethernet 
External MarkNet™ N7000e Fast Ethernet (USB) 
External MarkNet™ N7002e Fast Ethernet (parallel) 
Internal MarkNet™ N8030 Fiber Fast Ethernet 
Internal MarkNet™ N8000 Fast Ethernet 
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 5e Emulation 
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 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 250,000 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) 
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