Streaked Horizontal Or Vertical Lines Appear On Prints - Lexmark MX310 Series Service Manual

Actions
Step 10
a
Remove the left cover.
b
POR into the Diagnostics menu and perform a duplex test:
Diagnostics Menu > Duplex Tests
c
Observe the reverse solenoid for proper operation.
Does it properly operate?
Step 11
Make sure the input roller/deskew assembly is free of debris. Check for
wear or damage.
Are they free of wear or damage?

Streaked horizontal or vertical lines appear on prints

ABCDE
ABCDE
ABCDE
Leading edge
ABCDE
ABCDE
ABCDE
Trailing edge
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?
Yes
Go to step 11.
Contact the next level
of support.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Diagnostic information
43
7015
No
Replace the reverse
solenoid. See "Reverse
solenoid removal" on
page 218.
Replace the printer.
No
Replace the imaging
unit.
The problem is solved.
Replace the transfer
roll.