Actions Yes No
Step 4
Check the transfer roll left contact spring for damage.
Is it free of damage?
Go to step 5. Replace the printer.
Step 5
Reseat the cables JLSU1 and J6 on the controller board.
Does the problem remain?
Replace the power
supply.
The problem is solved.
Printer is printing solid black pages
Actions Yes No
Step 1
Check the imaging unit for damage.
Is it free of damage?
Go to step 2. Replace the imaging
unit.
Step 2
Remove any contamination from the imaging unit contacts.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the imaging unit contacts for damage.
Are they free of damage?
Replace the power
supply. See “Power
supply removal” on
page 272.
Replace the printer.
Shadow images appear on prints
ABCD
ABCD
ABCD
ABCD
Leading edge
Trailing edge
7015
Diagnostic information
40
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