
3-54 Troubleshooting Analysis Guide (TAGs)
TAG 040: Photoconductor Seam Sensor Malfunction
Error Code: 040, 041, 042
Possible Defects: Photoconductor unit
Main motor gear
Main motor gear keys
Main drive gear assembly
Main drive motor assembly
Connectors or wiring
PCL board
Software
Seam sensor
1
Turn the printer off and unplug the power cord.
• Verify that J/P4, J/P9, J/P12, J/P14, J/P20, J/P40, J/P41, J/P63 (photoconductor seam sensor),
J/P64, J/P251, and J/P252 are connected properly.
• Remove the photoconductor unit.
• Clean the photoconductor unit contacts, the guide rail contacts, and the photoconductor cavity.
• Clean the seam sensor lens and cavity, and remove any obstructions.
• Reinstall the photoconductor unit.
• Power-on-reset the printer.
Is error code 040, 041, or 042 still displayed?
No: Loose connectors or dirty contacts were at fault. Turn to TAG 002: Check & Problem
Resolution.
Yes: Continue.
2
Has the photoconductor unit been replaced recently?
No: Continue.
Yes: Go to #4 in this TAG.
3
Replace the photoconductor unit.
• Run test prints.
Has the problem been resolved?
No: Reinstall the original photoconductor unit and continue.
Yes: The photoconductor was at fault. Turn to TAG 002: Check & Problem Resolution.
4
Open the top cover and insert an interlock by-pass tool.
• Run diagnostic test 009.
Does the photoconductor belt rotate?
No: Continue.
Yes: Go to #11 in this TAG.
5
Is error code 041 or 042 displayed while running diagnostic test 009?
No: Continue.
Yes: Go to #12 in this TAG.