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. Problem is solved.
Step 3
Check the cables on the HVPS.
Are the above cables properly connected?
Replace the HVPS. See
“HVPS removal” on
page 402.
Reconnect the cables.
Shadow images appear on prints
ABCD
ABCD
ABCD
ABCD
Leading edge
Trailing edge
Actions Yes No
Step 1
Does the shadow image appear every two pages?
Go to step 2. Go to step 3.
Step 2
Check the upper redrive for wear or damage.
Is it free of wear or damage?
Go to step 3. Replace the upper
redrive. See “Upper
redrive removal” on
page 363.
Step 3
Check the transfer roller for surface contamination or excessive wear.
Is it free of contamination and wear?
Go to step 4. Replace the transfer
roller. See “Transfer
roller removal” on
page 342.
7463
Diagnostic information
43
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