Lexmark MX310 Service Manual page 48

Actions
Step 4
a
Remove any packing material left on the imaging unit, including
the red separator plastic (A).
Note: You may need a pair of pliers to remove a piece of
broken plastic inside the imaging unit.
b
Check the charge roller contact (B) on the right side of the
imaging unit for damage and contamination.
Is the charge roller contact damaged and contaminated?
Step 5
Repair or replace the charge roller contact on the imaging unit.
Does the problem remain?
Step 6
Replace the imaging unit.
Does the problem remain?
Step 7
Make sure that connection JPS1 on the controller board and the
connections on the power supply are properly connected.
Are the connections properly connected?
Diagnostics and troubleshooting
48
Yes No
Go to step 5. Go to step 6.
Go to step 6. The problem is
solved.
Go to step 7. The problem is
solved.
Go to step 9. Go to step 8.
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