Filter
Top Products
Troubleshooting Analysis Guide (TAGs) 3-163
TAG 805: Black Prints
Error Code: 805
Possible Causes: Contaminated toner/carrier mix
Possible Defects: Main charger
Printhead assembly
Connectors or wiring
PCL board
IGS board
High voltage unit
Main charger lead
Photoconductor unit
Developer unit
Main charger terminal assembly
1
Turn the printer off and unplug the power cord.
• Verify that J/P23, J/P24, J/P41, and the main charger high voltage lead are connected properly.
• Perform the every-call cleaning procedure, described in Chapter 9, “General Printer Mainte-
nance”.
• Clean the contacts on the main charger.
• Open the printer’s top cover and install an interlock by-pass tool.
• Run diagnostic test 009.
Is the photoconductor belt covered with toner?
No: Loose connectors or contamination were at fault. Turn to TAG 002: Check & Problem
Resolution.
Yes: Continue.
2
Check the voltages, as outlined in Chapter 9, “General Printer Maintenance”.
Are the voltages correct?
No: Replace the high voltage power supply unit, then turn to TAG 002: Check & Problem
Resolution.
Yes: Continue.
3
Has the photoconductor unit, main charger, developer unit, and cleaner unit been
replaced recently?
No: Continue.
Yes: Go to #6 in this TAG.
4
Replace the photoconductor unit and main charger.
• Turn the printer on.
• Run test prints.
Has the problem been resolved?
No: Reinstall the original photoconductor unit and main charger, then continue.
Yes: Turn to TAG 002: Check & Problem Resolution.