Vertical Dark Bands Check - Lexmark M52 Series Service Manual

Actions
Step 3
Clean the printhead glass. See
page 764.
Does the problem remain?
Step 4
Replace the printhead. See
Does the problem remain?
Step 5
Replace the imaging unit.
Does the problem remain?

Vertical dark bands check

Note: Before performing this print quality check, go to the control panel home screen and navigate to
Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check.
See "Initial print quality check" on page
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, then 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?
"Cleaning the printhead glass" on
"Printhead removal" on page
44.
Diagnostics and troubleshooting
66
Yes
Go to step 4.
Go to step 5.
455.
Contact the next
level of support.
Yes
Go to step 3.
Go to step 3.
4064
No
The problem is
solved.
The problem is
solved.
The problem is
solved.
No
Go to step 2.
The problem is
solved.