Lexmark 4021 User Manual page 194

Troubleshooting
Open door H and remove paper from beneath area H10
Remove the paper from the specified area.
Paper changes needed
Try one or more of the following:
•
Touch Use current supplies to clear the message and continue printing.
•
Cancel the current print job.
Parallel port [x] disabled [56]
Try one or more of the following:
•
From the printer control panel, touch Continue to clear the message.
•
Enable the parallel port. From the printer control panel, navigate to:
Network/Ports > Parallel [x] > Parallel Buffer > Auto
Note: The printer discards any data received through the parallel port.
Photoconductor low [84.xy]
You may need to order a replacement photoconductor. If necessary, select Continue on the control panel
to clear the message and continue printing.
Photoconductor very low [84.xy]
You may need to replace the photoconductor unit very soon. For more information, see
photoconductor unit" on page
If necessary, touch Continue on the control panel to clear the message and continue printing.
Printer had to restart. Last job may be incomplete.
From the printer control panel, touch Continue to clear the message and continue printing.
For more information, visit
Reinstall missing or unresponsive cartridge [31.xy]
Try one or more of the following:
•
Check if the toner cartridge is missing. If missing, install the toner cartridge.
For information on installing the cartridge, see the "Replacing supplies" section of the User's Guide.
•
If the toner cartridge is installed, then remove the unresponsive toner cartridge, and then reinstall it.
Note: If the message appears after reinstalling the supply, then the cartridge is defective. Replace
the toner cartridge.
137.
http://support.lexmark.com or contact customer support.
194
"Replacing a