Toner Specks Appear On Prints; Paper Jams - Lexmark MX310 Series Service Manual

Toner specks appear on prints

Actions
Step 1
Check the imaging unit for wear or damage.
Is it free of wear or damage?
Step 2
Make sure the paper path is free of debris or toner contamination.
Does the problem remain?
Step 3
Check the transfer roll for contamination or excessive wear.
Is it free of contamination or wear?
Step 4
Remove the fuser and check for damage or debris on the rollers and belts.
Is it free of damage and debris?
Step 5
Reseat the cables JLSU1 and J6 on the controller board.
Does the problem remain?

Paper jams

• "Avoiding jams" on page 46
•
"Understanding jam messages and locations" on page 47
•
"200 paper jams" on page 48
• "202 paper jams" on page 56
•
"23y paper jams" on page 60
•
"24y paper jams" on page 62
• "25y paper jams" on page 71
•
"28y paper jams" on page 74
•
"29y.xx paper jams" on page 75
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Replace the LSU.
Diagnostic information
45
7015
No
Replace the imaging
unit.
The problem is solved.
Replace the transfer
roll.
Replace the fuser.
The problem is solved.