Lexmark MS911 Service Manual page 45

Actions
Step 1
a
Navigate to Settings > Allow Background Removal.
Make sure that the value is set to On.
b
Navigate to Settings > Print Settings > Quality Menu.
Decrease the toner darkness (8 is the default value).
Does the problem remain?
Step 2
Enter the Configuration menu, and then select Print Quality Pages.
Does the problem remain?
Step 3
a
Make sure that the cartridge or photoconductor is installed.
b
Make sure that the cartridge or photoconductor is supported.
Does the problem remain?
Step 4
Enter the Diagnostics menu, and then navigate to:
PRINTER SETUP > Printed Page Count
Does the page count reach 300K or 600K?
Step 5
Check the following parts for damage or contamination, and replace if
necessary:
•
Transfer roller
• Imaging unit
• Developer unit
Does the problem remain?
Step 6
a
Maker sure that the erase LED is properly installed.
b
Check the LED for damage, and replace if necessary.
Does the problem remain?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
Diagnostic information
45
4021
No
The problem is solved.
The problem is solved.
The problem is solved.
Go to step 6.
The problem is solved.
The problem is solved.