5 Replace the developer unit and cleaner unit.

•Run test prints.

Has the problem been resolved?

No: Reinstall the original developer unit and cleaner unit and continue.

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

6 Remove the photoconductor unit from the printer.

•Run diagnostic test 013.

•Watch the erase lamp while the test is running.

Are all the erase lamps on?

No: Replace the erase lamp assembly, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

7 Turn the printer off.

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

•Remove the developer unit.

•Power-on-reset the printer.

•Watch the toner motor coupling in the developer cavity.

Does the coupling turn continuously before error code 036 is displayed?

No: Continue.

Yes: Go to #21 in this TAG.

8 Reinstall the developer unit.

•Run test prints.

•Check TP3-31 for voltage change from +12 Vdc to 0 Vdc while running test prints.

Does the voltage change from +12 Vdc to 0 Vdc every other print cycle?

No: Go to #11 in this TAG.

Yes: Continue.

9 Turn the printer off and unplug the power cord.

•Disconnect J/P41.

•Remove the developer unit.

•Check for continuity: P41-44 to J25-2, P41-47 to J25-3, and P41-50 to J25-1.

Is there continuity on each?

No: Repair or replace the connectors or wiring: P41-44 to J24-2, P41-47 to J25-3, or P41-50 to J25-1; then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

Troubleshooting Analysis Guide (TAGs)

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