Vertical Light Bands Check - Lexmark MX310 Service Manual

Vertical light bands check

Actions
Step 1
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the printer is using a third‑party cartridge, refer the users
to their cartridge supplier.
Is the printer using a genuine and supported toner cartridge?
Step 2
Install a genuine and supported toner cartridge.
Does the problem remain?
Step 3
Clean the printhead lens. See
page 423.
Note: This is applicable only to models installed with a galvo
LSU. To determine whether the LSU is galvo, check the serial
number of the printer. The sixth digit character assigned should
be in the 0–9 or B–N range (Example: 4514 20HH 007CR).
Does the problem remain?
Step 4
Replace the printhead. See
on page 379.
Does the problem remain?
Step 5
Replace the imaging unit.
Does the problem remain?
"Cleaning the printhead lenses" on
"Laser scanning unit (LSU) removal"
Diagnostics and troubleshooting
71
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Contact the next The problem is
level of support. solved.
7015