20 Power-on-reset the printer.

While the main motor is running, cover all of the holes in the vacuum unit with a piece of paper.

Does the vacuum transport unit fan hold the paper in place?

No: Continue.

Yes: Return to the beginning of this TAG.

21 Use extreme caution: Check for 100 Vac from J/P22-1 to J/P22-2.

Is the voltage 100 Vac?

No: Continue.

Yes: Replace the vacuum transport assembly.

22 Power-on-reset the printer. Use extreme caution:

While the main motor is running, monitor J/P13-6 and J/P13-3 for 100 Vac.

Is the voltage 100 Vac?

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

Yes: Repair or replace the connectors or wiring from J22-1 to P13-6 or J22-2 to P13-3. Then turn to TAG 002: Check & Problem Resolution.

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Troubleshooting Analysis Guide (TAGs)