TAG 044: Charge Corona/Transfer Corona Circuit Open
June 1999 Troubleshooting Analysis Guide (TAGs) 3-57
TAG 044: Charge Corona/Transfer Corona Circuit Open
Error Code: 044
Possible Defects: Charge corona
Transfer corona
Connectors or wiring
High voltage unit
Upper paper guide
Charge corona terminal assembly
PCL board
1
Turn the printer off and unplug the power cord.
• Verify that J/P23 and J/P41 are connected properly.
• Make sure the high voltage unit charge corona lead is connected properly.
• Make sure the transfer corona lead is connected properly.
• Verify that the charge corona and transfer corona ground circuits are connected properly.
• Remove the transfer corona from the upper paper guide.
• Clean the transfer corona housing and contacts.
• Clean the transfer corona wire.
• Inspect the transfer corona socket in the upper paper guide for contamination.
• Verify that the transfer corona static eliminator brush on the transfer corona housing is grounded
to the transfer corona metal housing.
• Reinstall the transfer corona.
• Clean the charge corona contacts.
• Power-on-reset the printer.
• Run test prints.
Is error code 044 displayed?
No: Loose connectors or a dirty transfer corona were at fault. Turn to TAG 002: Check &
Problem Resolution.
Yes: Continue.
2
Has the charge corona been replaced recently?
No: Continue.
Yes: Go to #4 in this TAG.
3
Replace the charge corona and photoconductor unit.
• Power-on-reset the printer.
• Run test prints.
Has the problem been resolved?
No: Reinstall the original charge corona and photoconductor unit, and continue.
Yes: The charge corona was at fault. Turn to TAG 002: Check & Problem Resolution.
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