19 Turn the printer off.

•Reconnect J/P22.

•Turn on the printer for 2-1/2 minutes, then off.

Was the power-on-reset successful?

No: Replace the vacuum transport unit, then turn to TAG 002: Check & Problem Resolution.

Yes: Replace the small cooling fan assembly, then turn to TAG 002: Check & Problem Resolution .

20 Reconnect J/P9.

•Disconnect J/P100.

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

•Run diagnostic test 008 for approximately five seconds, then turn off the printer.

•Remove the fuse.

•Check the fuse for continuity.

Does the fuse have continuity?

No: Go to #23 in this TAG.

Yes: Continue.

21 Turn off the printer.

•Reconnect J/P100.

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

•Disconnect J/P101.

•Run diagnostic test 008 for approximately five seconds, then stop.

•Remove the fuse.

•Check the fuse for continuity.

Does the fuse have continuity?

No: Replace the power control #3 board, then turn to TAG 002: Check & Problem Resolution .

Yes: Continue.

22 Disconnect J/P19.

•Check P101-2 to P19-2 for continuity to ground.

Is there continuity to ground?

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

Yes: Repair or replace the connectors or wiring from P101-2 to P19-2, then turn to TAG 002: Check & Problem Resolution.

23 Disconnect J/P4 and J/P9.

•Check P4-4 to P9-2 and P4-4 to P100-1 for continuity to ground.

Is there continuity to ground?

No: Continue.

Yes: Repair or replace the connectors or wiring from P4-4 to P9-2 or P4-4 to P100-1; then turn to TAG 002: Check & Problem Resolution.

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Troubleshooting Analysis Guide (TAGs)