Lexmark CS921, User Manual

Page: 118 / 169

Action Yes No
Step 3
a
Inspect the test pages to determine which color is affected.
b
Remove, and then reinstall the photoconductor unit.
Warning—Potential Damage: Do not expose the
photoconductor unit to direct light for more than one minute.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum. Doing so may affect the quality of
future print jobs.
c
Print the document.
Do vertical white lines still appear on prints?
Go to step 4. The problem is
solved.
Step 4
a
Clean the printhead lens.
b
Print the document.
Do vertical white lines still appear on prints?
Go to step 5. The problem is
solved.
Step 5
a
Inspect the test pages to determine which color is affected.
b
Replace the photoconductor unit.
c
Print the document.
Do vertical white lines still appear on prints?
Contact customer
support .
The problem is
solved.
The printer is not responding
Action Yes No
Step 1
Connect the power cord to the electrical outlet.
CAUTION—POTENTIAL INJURY: To avoid the risk of fire or
electrical shock, connect the power cord to an appropriately
rated and properly grounded electrical outlet that is near the
product and easily accessible.
Is the printer responding?
The problem is
solved. Go to step 2.
Step 2
Check if the electrical outlet is turned off by a switch or breaker.
Is the electrical outlet turned off by a switch or breaker?
Turn on the switch or
reset the breaker. Go to step 3.
Step 3
Check if the printer is on.
Is the printer on?
Go to step 4. Turn on the printer.
Troubleshooting 118