Gray Background Or Toner Fog On Prints - Lexmark MX310 Series Service Manual

9
Print a Print quality test page, and then look for variations in the print from what is expected. Verify if the settings
under EP Setup are set to their default values. See
10
Check to ensure the correct printer driver for the installed software is being used. An incorrect printer driver for
the installed software can cause problems. Incorrect characters could print, and the copy may not fit the page
correctly.

Gray background or toner fog on prints

Leading edge
ABCDE
ABCDE
ABCDE
Trailing edge
Actions
Step 1
Check the cartridge plunger.
Is the cartridge plunger properly attached to the front door and is the
spring functioning properly?
Step 2
Remove any contamination from the CTLS contacts. Perform a print test.
Does the problem remain?
Step 3
Check the CTLS for damage.
Is it free of damage?
Step 4
Check the transfer roll for surface contamination or excessive wear.
Is it free of contamination and wear?
Step 5
Check the transfer roll left contact spring for damage.
Is it free of damage?
"EP Defaults" on page
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Replace the power
supply. See
supply removal" on
page
Diagnostic information
38
166.
No
Replace the cartridge
plunger. See
plunger removal" on
page 244.
The problem is solved.
Replace the printer.
Replace the transfer
roll. See
removal" on page
243.
Replace the printer.
"Power
272.
7015
"Cartridge
"Transfer roll