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