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 510.
Reconnect the cables.
Repeating defects
Actions Yes No
Step 1
Measure the distance between defects. Is the distance between defects
equal to any of the following?
• 3.81 in. (96.8 mm)
• 1.88 in. (47.8 mm)
• 1.12 in. (28.5 mm)
Replace the imaging
unit.
Go to step 2.
Step 2
Is the distance between defects equal to 3.71 in. (94.25 mm) or 3.75 in.
(95.2 mm)?
Replace the fuser. Contact the next
highest level of
support.
4063
Diagnostic information
58
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