Gray Background Or Toner Fog Check; Blank Pages Check - Lexmark MS312 Service Manual

Gray background or toner fog check

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?

Blank pages check

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
33
No
Replace the cartridge
plunger. See
plunger removal" on
page 188.
The problem is solved.
Replace the printer.
Replace the transfer
roll. See
removal" on page
187.
Replace the printer.
"Power
208.
4514
"Cartridge
"Transfer roll