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Troubleshooting Analysis Guide (TAGs) 3-45
6
Open the back cover and install an interlock by-pass tool.
• Power-on-reset the printer.
• Check TP4-35 for +24 Vdc.
Is the voltage +24 Vdc?
No: Go to #11 in this TAG.
Yes: Continue.
7
Check J/P23-5 for +24 Vdc.
Is the voltage +24 Vdc?
No: Repair or replace the connectors or wiring from P41-35 to P23-5, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
8
Turn the printer off and unplug the power cord.
• Disconnect J/P41 and J/P24.
• Check the following for continuity:
P41-31 to P24-1
P41-30 to P24-2
P41-40 to P24-3
Is there continuity?
No: Repair or replace the connectors or wiring from:
P41-31 to P24-1
P41-30 to P24-2
P41-40 to P24-3
Then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
9
Disconnect P85 from the high voltage unit.
• Check P85-3 to J25-7 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P85-3 to J25-7, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
10
Disconnect J/P96.
• Check P96-1 to J25-7 for continuity.
Is there continuity?
No: Repair or replace the developer power supply lead from J/P96-1 to P85-3, then turn to
TAG 002: Check & Problem Resolution.
Yes: Replace the high voltage unit, then turn to TAG 002: Check & Problem Resolution.