Remedy: Improper installation engine PWB EEPROM. Check the engine PWB EEPROM installation, Remedy. Defective engine PWB. Replace the engine PWB.
Code: 0170
Description: Billing counting error
Causes: Defective main PWB.
Remedy: Replace main PWB.
Code: 0420
Description: Paper feeder communication error Communication error between engine PWB and optional paper feeder.ыr
Causes: Improper installation paper feeder. Defective harness between connect-L PWB (YC2) and paper feeder interface connector, or improper connector insertion. Defective harness between connect-L PWB (YC6) and engine PWB (YC504), or improper connector insertion. Defective engine PWB. Defective paper feeder.
Remedy: Improper installation paper feeder. Follow installation instruction carefully again. Defective harness between connect-L PWB (YC2) and paper feeder interface connector, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective harness between connect-L PWB (YC6) and engine PWB (YC504), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective engine PWB. Replace the engine PWB. Defective paper feeder. Replace the paper feeder.