Horizontal light 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 44.
Actions Yes No
Step 1
Remove, and then clean the imaging unit contacts.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check if the printer is using a genuine and supported Lexmark
imaging unit.
Is the printer using a genuine and supported imaging unit?
Go to step 4. Go to step 3.
Step 3
Install a genuine and supported imaging unit.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Turn o the printer, wait for 10 seconds, and then turn on the printer.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Remove the HVPS. See “HVPS removal” on page 421.
b Check if the HVPS wire connectors are pinched or damaged.
Are the wire connectors pinched or damaged?
Go to step 6. Go to step 7.
Step 6
Repair or replace the wire connectors.
Does the problem remain?
Go to step 7. The problem is
solved.
4064
Diagnostics and troubleshooting
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