
Troubleshooting Analysis Guide (TAGs) 3-63
TAG 050: Transfer Charger Circuit Shorted
Error Code: 050
Possible Defects: Transfer charger
High voltage unit
Connectors or wiring
PCL board
Upper paper guide assembly
1
Turn the printer off and unplug the power cord.
• Verify that J/P23, J/P41 and the transfer charger high voltage unit lead are connected properly.
• Power-on-reset the printer.
• Run test prints.
Is error code 050 displayed?
No: A loose connector was at fault. Turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
2
Turn the printer off and unplug the power cord.
• Remove and clean the transfer charger housing and contacts.
• Check between the two terminals on the back of the transfer charger for continuity.
Is there continuity?
No: Continue.
Yes: Repair or replace the transfer charger, then turn to TAG 002: Check & Problem Resolu-
tion.
3
Reinstall the transfer charger.
• Power-on-reset the printer.
• Run test prints.
Is error code 050 displayed?
No: A dirty transfer charger was at fault. Turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
4
Turn the printer off and unplug the power cord.
• Disconnect the transfer charger lead from the high voltage unit.
• Check the transfer charger high voltage unit lead for continuity to ground.
Is there continuity to ground?
No: Continue.
Yes: Repair or replace the upper paper guide assembly or transfer charger, then turn to TAG
002: Check & Problem Resolution.