Actions Yes No
Step 15
a Check the coupler for signs of damage. The coupler is located
on the main drive motor.
• Good condition
• Bad condition
b If the coupler is damaged, then replace the main drive motor.
Does the problem remain?
Go to step 16. The problem is
solved.
Step 16
Depending on the printer model, reseat the following cables on
the controller board:
• JVIDEO and JGLV1 (MS31x, MS41x, MS51x, and MS61x)
• J6 and JLSU1 (MS610de and MX61xde)
• JMM1 and JLSU1 (MX31x, MX41x, MX51x, and MX61x)
Does the problem remain?
Go to step 17. The problem is
solved.
Step 17
Replace the laser printhead. See
“Laser scanning unit (LSU)
removal” on page 278.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4514-330
Diagnostics and troubleshooting
46
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