P40-25 to P57-1

P40-12 to P57-3

Is there ground?

No: Repair or replace the connectors or wiring from:

P40-25 to J/P58-1 to P57-1,

P40-16 to J/P58-2 to P57-2, or

P40-12 to J/P58-3 to P57-3.

Then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the paper timing guide. If this does not correct the problem, replace the PCL board. Then turn to TAG 002: Check & Problem Resolution.

10 Turn off the printer.

•Open the back cover and install an interlock by-pass tool.

•Remove the paper feed cover to expose the lower paper pick-up assembly.

Warning

To avoid the risk of injury, use extreme caution as gears

and belts are exposed

•Run diagnostic test 006, testing the lower pick-up roller clutch.

•Check TP3-8 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 #12 in this TAG.

11 Turn the printer off and unplug the power cord.

•Disconnect J/P40 and J/P69.

•Check P40-8 to J69-2 and P40-10 to J69-1 for continuity.

Is there continuity?

No: Repair or replace the connectors or wiring from:P40-8 to J69-2 or P40-10 to J69-1. Then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the lower pick-up roller assembly, then turn to TAG 002: Check & Problem Resolution .

12 Run diagnostic test 006, testing the lower feed roller clutch.

•Check TP3-5 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.

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Troubleshooting Analysis Guide (TAGs)