TAG 099: +24 Vdc Power Shorted

Error Code:

099

Possible Defects: DC power supply unit

AC power supply unit

Connectors or wiring

PCL board

IGS board

Power control #2 board

High voltage unit

Paper timing clutch

Upper feed roller clutch

Upper pick-up clutch

Lower pick-up clutch

Lower feed roller clutch

Counter assembly

Possible Defects, Duplex Printers:

Duplex control board #1 Duplex control board #2 Route motor

In solenoid

‘C’ roller solenoid ‘A’ roller clutch Exit solenoid Restart motor

1 Turn the printer off and unplug the power cord.

Verify that J/P11, J/P8, J/P32, J/P33, J/P91, J/P303, J/P305, J/P306, J/P310, J/P323, and J/P331 are connected properly.

Power-on-reset the printer.

Has the problem been resolved?

No: Continue.

Yes: A loose connector was at fault. Turn to TAG 002: Check & Problem Resolution.

2 Check J/P8-11 for +24 Vdc.

Is the voltage +24 Vdc?

No: Continue.

Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.

3 Turn the printer off.

Disconnect J/P330.

Turn the printer on.

Check J/P8-11 for +24 Vdc.

Is the voltage +24 Vdc?

No: Continue.

Yes: Go to #22 in this TAG.

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Troubleshooting Analysis Guide (TAGs)