10 Reinstall the fuse.

•Disconnect J/P4.

•Close the top cover.

•Check P4-5 to P4-6 for continuity.

Is there continuity?

No: Go to #34 in this TAG.

Yes: Continue.

11 Remove the AC power supply unit.

•Operate the front cover interlock switch.

•Check for continuity as you operate the front interlock switch.

Does the front cover interlock switch have continuity?

No: Repair or replace the front interlock switch, then turn to TAG 002: Check & Problem Resolution.

Yes: Repair or replace the AC power supply unit, then turn to TAG 002: Check & Problem Resolution.

12 Disconnect J/P13.

•Install a new upper fuse in the AC power supply unit.

•Run diagnostic test 010 for approximately 5 seconds, then stop.

•Remove the fuse.

•Check the fuse for continuity.

Does the fuse have continuity?

No: Replace the power control #2 board, then turn to TAG 002: Check & Problem Resolution .

Yes: Continue.

13 Disconnect J/P18.

•Check P13-5 to P18-1 for continuity to ground.

Is there continuity to ground?

No: Replace the toner supply motor, then turn to TAG 002: Check & Problem Resolution.

Yes: Repair or replace the connectors or wiring from P18-1 to P13-5, then turn to TAG 002: Check & Problem Resolution.

14 Turn off the printer.

•Disconnect J/P9.

•Install a new upper fuse in the AC power supply unit.

•Turn the printer on for 5 seconds, then off.

•Remove the upper fuse.

•Check the fuse for continuity.

Does the fuse have continuity?

No: Go to #20 in this TAG.

Yes: Continue.

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Troubleshooting Analysis Guide (TAGs)