Actions Yes No
Step 1
Remove the imaging unit, and then inspect the white
photoconductor coupler (A). The coupler should be firmly
connected to the imaging unit and should not freely rotate.
Does the coupler move freely or appear damaged?
Go to step 2. Go to step 3.
Step 2
Replace the imaging unit.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the main drive gearbox. See
“Main drive gearbox
removal” on page 229.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Incorrect margins on prints check
4514-6xx
Diagnostics and troubleshooting
75
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