27 Turn the printer off.

•Remove the exit cover.

•Disconnect J/P49 and J/P51.

•Turn the printer on.

•Check J/P8-6 for +12 Vdc.

Is the voltage +12 Vdc?

No: Go to #29 in this TAG.

Yes: Continue.

28 Turn the printer off.

•Reconnect J/P49.

•Turn the printer on.

•Check J/P8-6 for +12 Vdc.

Is the voltage +12 Vdc?

No: Replace the paper exit sensor, then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the output tray full sensor, then turn to TAG 002: Check & Problem Resolution.

29 Turn the printer off and unplug the power cord.

•Disconnect J/P50.

•Check J50-1 and J50-4 for continuity to ground.

Is there continuity at either?

No: You have failed to isolate the problem. Return to the beginning of this TAG.

Yes: Repair or replace the connectors or wiring from: J50-1 to P49-1 or J50-4 To P51-1, then turn to TAG 002: Check & Problem Resolution.

30 Turn the printer off.

•Disconnect J/P40.

•Check P40-26 for continuity to ground.

Is there continuity to ground?

No: Continue.

Yes: Repair or replace the connectors or wiring from: P40-26 to P54-1, P40-26 to P54-4, P40- 26 to P50-1, or P40-26 to P50-4, then turn to TAG 002: Check & Problem Resolution

31 Turn the printer off.

•Reconnect J/P40, J/P50, and J/P54.

•Disconnect J/P12.

•Turn the printer on.

•Check J/P8-6 for +12 Vdc.

Is the voltage +12 Vdc?

No: Continue.

Yes: Replace the power control #2 board, then turn to TAG 002: Check & Problem Resolution .

Troubleshooting Analysis Guide (TAGs)

3-85