SC500 (Engine: Paper Transport 3: Paper Feed, Duplex, Transport, Fusing)

SC547-00

D

Zero Cross Signal Error

While fusing lamp ON/OFF control is performed, the zero cross signal is not input within 2 seconds consecutively.

• Fusing unit defective

• PSU defective

• IOB defective

• Fusing unit defective

  1. Reconnect the following connectors.

     • PSU – IOB connector

  2. If the connector is broken, shorted, or grounded, replace the connector.

• PSU defective

  Replace the PSU.

• IOB defective

  Replace the IOB.