TAG 097: +12 Vdc Power Shorted or Sensing Problem
3-82 Troubleshooting Analysis Guide (TAGs) June 1999
17
Turn the printer off.
• Reconnect J/P60.
• Turn the printer on.
• Check J/P8-6 for +12 Vdc.
Is the voltage +12 Vdc?
No: Go to #20 in this TAG.
Yes: Continue.
18
Disconnect J/P61.
• Check P62-1 to P61-1 for continuity to ground.
Is there continuity?
No: Replace the lower paper empty sensor, then turn to TAG 002: Check & Problem Resolu-
tion.
Yes: Repair or replace the connectors or wiring from P62-1 to P61-1, then turn to TAG 002:
Check & Problem Resolution.
19
Disconnect J/P58 and J/P57.
• Check P58-1 to P57-1 for continuity to ground.
Is there continuity?
No: Replace the paper timing sensor.
Yes: Repair or replace the connectors or wiring from P58-1 to P57-1, then turn to TAG 002:
Check & Problem Resolution.
20
Disconnect J/P60 and J/P59.
• Check P60-1 to P59-1 for continuity to ground.
Is there continuity?
No: Replace the upper paper empty sensor.
Yes: Repair or replace the connectors or wiring from P60-1 to P59-1, then turn to TAG 002:
Check & Problem Resolution.
21
Turn the printer off and unplug the power cord.
• Disconnect J/P40.
• Check for continuity to ground:
P40-25 to J58-1, P40-25 to J60-1, and P40-25 to J62-1.
Is there continuity?
No: Continue.
Yes: Repair or replace the connectors or wiring from P40-25 to J58-1, P40-25 to J60-1, or
P40-25 to J62-1, then turn to TAG 002: Check & Problem Resolution.
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