Lexmark MS821

Sensor (input) never- or late-arriving jam service check
Action Yes No
Step 1
Check if blank pages were fed out before the error occurred.
Were there blank pages fed out prior to the error?
Go to step 10. Go to step 2.
Step 2
Pull out all the source trays, and then check if the paper size
matches the size set on the tray guides.
Does the paper size match the size set on the tray?
Go to step 4. Go to step 3.
Step 3
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Check if the tray is overfilled.
Is the tray overfilled?
Go to step 5. Go to step 6.
Step 5
Remove the excess paper from the tray.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the tray for crumpled, damaged, or deformed paper.
Are the sheets of paper on the tray still in good condition?
Go to step 8. Go to step 7.
Step 7
Replace the aected sheets.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Check the aligner rollers for obstructions.
Are the aligner rollers free of obstructions?
Go to step 10. Go to step 9.
Step 9
Remove the obstructions.
Does the problem remain?
Go to step 10. The problem is
solved.
4064
Diagnostics and troubleshooting
85