20 Run diagnostic test 010. Use extreme caution:

•Check J/P13-5 to J/P13-2 for 100 Vac while the test is running.

Is the voltage 100 Vac?

No: Go to #22 in this TAG.

Yes: Continue.

21 Run diagnostic test 010. Use extreme caution:

•Check J/P18-1 to J/P18-2 for 100 Vac while the test is running.

Is the voltage 100 Vac?

No: Repair or replace the connectors or wiring from P18-1 to P13-5, P18-2 to P13-2, or both.

Yes: Replace the toner supply motor, then turn to TAG 002: Check & Problem Resolution.

22 Run diagnostic test 010.

•Check TP3-31 for 0 Vdc while the test is running.

Is the voltage 0 Vdc?

No: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

23 Turn the printer off and unplug the power cord.

•Check P40-31 to P12-5 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from P40-31 to P12-5.

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

24 Turn the printer off and unplug the power cord.

•Replace the high voltage unit.

•Power-on-reset the printer.

•Run test prints.

Has the problem been resolved?

No: Reinstall the original high voltage unit and continue.

Yes: Turn to TAG 002: Check & Problem Resolution.

25 Turn the printer off and unplug the power cord.

•Replace the main charger terminal assembly.

•Power-on-reset the printer.

•Run test prints.

Has the problem been resolved?

No: Reinstall the original main charger terminal assembly and continue.

Yes: Turn to TAG 800: Prints Blank or With Dark Horizontal Bands.

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Troubleshooting Analysis Guide (TAGs)