8 Check the paper path for jams.

•Open the printer’s front cover and insert the interlock bypass tool.

•Power-on-reset the printer.

•Run test prints.

•Watch the end of the paper timing roller shaft.

Does the paper timing roller shaft turn?

No: Continue.

Yes: Go to #14 in this TAG.

9 Check TP3-11 for +24 Vdc.

Is the voltage +24 Vdc?

No: Continue.

Yes: Go to #12 in this TAG.

10 Check J/P91-1 for +24 Vdc.

Is the voltage +24 Vdc?

No: Continue.

Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.

11 Check J/P8-13 for +24 Vdc.

Is the voltage +24 Vdc?

No: Replace the DC power supply unit, then turn to TAG 002: Check & Problem Resolution.

Yes: Repair or replace the connectors or wiring from P91-1 to P8-13, then turn to TAG 002: Check & Problem Resolution.

12 Run diagnostic test 006, testing the paper timing roller clutch.

•Check TP3-7 for a voltage change from +24 Vdc to 0 Vdc.

Does the voltage change from +24 Vdc to 0 Vdc?

No: Continue.

Yes: Go to #14 in this TAG.

13 Turn off the printer and unplug the power cord.

•Disconnect J/P40 and J/P65.

•Check P40-7 to J65-2 and P40-11 to J65-1 for continuity.

Is there continuity on both?

No: Repair or replace the connectors and wiring from: P40-7 to J65-2 or P40-11 to J65-1. Then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the paper timing roller assembly, then turn to TAG 002: Check & Problem Resolution .

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Troubleshooting Analysis Guide (TAGs)