Feature or function Description
Bar code function The following bar codes are resident in the printer:
• 3 of 9
• Codabar (NW‑7)
• Code 39
• Code 128
• Interleaved 2 of 5
• UPC‑A
• UPC‑E
• EAN 8
• EAN 13
• PostNet
Note: For more information on the Bar code function, see the Technical Reference at
www.lexmark.com.
Software compatibility
• The printer is compatible with all programs that support IBM emulation or Epson emulation.
• The printer is compatible with Okidata MICROLINE emulation (with the M320 turbo), which
is standard on the 9‑wire printer and 2580+ or 2581+ printer models.
Interface connection
Warning—Potential
Damage: Do not touch
the network connector
except when the printer
is unplugged from the
electrical outlet.
This allows the printer to work with all computers with compatible interface connections.
Both parallel and USB interfaces are standard. The internal serial interface (RS‑232) is optional
for the 2580+ or 2581+ and 2590+ or 2591+ models.
The Network option is standard on the 2580n+ or 2581n+ and 2590n+ or 2591n+ models.
Printing a demonstration page
1 Set the forms thickness lever to position 1.
Learning about the printer 11