Fixing base printer print quality issues
Gray background on prints
ABCDE
ABCDE
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Leading edge
Trailing edge
Actions Yes No
Step 1
Ensure the toner cartridge has sufficient toner.
Does the cartridge have sufficient toner?
Go to step 2. Replace the toner
cartridge.
Step 2
Remove any contamination from the CTLS contacts, located on the toner
level/imaging unit high voltage contact. Perform a print test.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
Check the CTLS, located on the toner level/imaging unit high voltage
contact, for damage.
Is it free of damage?
Go to step 4. Replace the toner
level/imaging unit high
voltage contact.
Step 4
Check the transfer roller for surface contamination or excessive wear.
Is it free of contamination and wear?
Go to step 5. Replace the transfer
roller.
Step 5
Check the transfer roller left contact spring, located on the transfer roller
left arm, for damage.
Is it free of damage?
Contact the next
highest level of
support.
Replace the transfer
roller left arm. See
“Transfer roller left
arm with cable
removal” on page
338.
7463
Diagnostic information
39
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