Troubleshooting

Solving option problems

If an option does not operate correctly after it is installed or if it quits working:

Turn the printer off, wait for about 10 seconds, and turn the printer on. If this does not fix the problem, unplug the printer, and check the connection between the option and printer.

Print the menu settings page and check to see if the option is listed in the Installed Options list. If the option is not listed, reinstall it. See Printing the menu settings page for more information.

Make sure the option is selected in the software application you are using.

The following table lists printer options and suggested corrective actions for related problems. If the suggested corrective action does not fix the problem, call your service representative.

Option

Action

5-bin mailbox

Make sure the connection between each 5-bin mailbox or the connection between the 5-

 

bin mailbox and the printer is secure. If the 5-bin mailbox is listed on the menu settings

 

page, but print media jams when it exits the printer and enters the mailbox, it may not be

 

properly installed. Reinstall each 5-bin mailbox.

 

 

Drawers

• Make sure the connection between drawers (250-sheet drawer, 500-sheet drawer, or

 

2000-sheet drawer), or the connection between a drawer and a duplex unit or the printer

 

is secure.

 

• Make sure the print media is loaded correctly. See Loading standard trays and

 

optional trays for more details.

 

 

Duplex unit

• Make sure the connection between the duplex unit and the printer is secure. If the

 

duplex unit is listed on the menu settings page, but print media jams when it enters or

 

exits the duplex unit, the printer and duplex unit may not be properly aligned.

 

• Make sure the duplex front access cover is securely installed.

 

 

Envelope feeder

• Make sure the connection between the envelope feeder and the printer is secure.

 

• Make sure the Paper Size setting is correct in both the Paper Menu and in the software

 

application.

 

• Make sure the envelopes are loaded correctly. See Loading the envelope feeder for

 

more details.

 

 

Finisher

• Make sure the connection between the finisher and the printer is secure. If the finisher is

 

listed on the menu settings page, but print media jams when it exits the printer and

 

enters the finisher, it may not be properly installed. Reinstall the finisher.

 

• Make sure you are using a print media size compatible with your optional output bins.

 

See Supported print media.

 

Note: The maximum number of sheets for stapling cannot exceed 25-sheets.

 

 

Flash memory

Make sure flash memory is securely connected to the printer system board.

 

 

Hard disk with

Make sure the hard disk is securely connected to the hard disk adapter card. Also, make

adapter

sure the hard disk adapter card is securely connected to the printer system board.

 

 

High-capacity

Make sure the connection between the output stacker and the printer is secure. If the high-

output stacker

capacity output stacker is listed on the menu settings page, but print media jams when it

 

exits the printer and enters the output stacker, it may not be properly installed. Reinstall the

 

high-capacity output stacker.

 

 

Infrared adapter

If infrared communication stops or does not occur, make sure:

 

• The distance between the two infrared ports is 1 meter

 

(39 in.) or less. If communication does not occur between ports, move the ports closer

 

together.

 

• Both ports are stable.

 

• The computer and the printer are on a level surface.

 

• The angle of communication between the two infrared ports is within 15 degrees of

 

either side of an imaginary line drawn between the two infrared ports.

 

• No bright light, such as direct sunlight, is interfering with communication.

 

• No objects are placed between the two infrared ports.

 

 

Solving option problems

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Lexmark 640, 644, 642 manual Solving option problems, Option Action, See Supported print media