Lexmark T640 User Manual page 107

Option Action
Internal print • Make sure the internal print server (also called an internal network adapter or INA) is
server securely connected to the printer system board.
• Make sure you are using the correct cable, that it is securely connected, and the
network software is correctly set up.
See the drivers CD that shipped with the printer for more details.
Large capacity See Solving 2000-sheet drawer problems.
feeder (2000-sheet
drawer)
Output expander Make sure the connection between each output expander or the connection between the
output expander and the printer is secure. If the output expander is listed on the menu
settings page, but print media jams when it exits the printer and enters the output
expander, it may not be properly installed. Reinstall each output expander.
Printer memory Make sure printer memory is securely connected to the printer system board.
USB/Parallel • Make sure the USB/parallel interface card is securely connected to the printer system
interface board.
• Make sure you are using the correct cable and that it is securely connected.
Troubleshooting
Solving option problems
107