Description: Zero cross signal error The zero cross signal does not reach the control PWB for specified time.
Causes: Defective harness between high voltage PWB (YC202) and control PWB (YC311), or improper connector insertion. Defective harness between power source PWB (YC103) and high voltage PWB (YC201), or improper connector insertion. Defective power source PWB. Defective control PWB.
Remedy: Defective harness between high voltage PWB (YC202) and control PWB (YC311), 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 power source PWB (YC103) and high voltage PWB (YC201), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective power source PWB. Replace the power source PWB. Defective control PWB. Replace the control PWB.
Code: F000
Description: Control PWB - Operation panel PWB communication error
Causes: Defective harness between operation panel PWB (YC1) and control PWB (YC7), or improper connector insertion. Defective operation panel PWB. Defective control PWB.
Remedy: Defective harness between operation panel PWB (YC1) and control PWB (YC7), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective operation panel PWB. Replace the operation panel PWB. Defective control PWB. Replace the control PWB.
Code: F010
Description: Control PWB checksum error
Causes: Defective code ROM (flash memory). Defective control PWB.
Remedy: Defective code ROM (flash memory). Turn the power switch off/on to restart the printer. If the error is not resolved, replace the control PWB. Defective control PWB. Replace the control PWB.
Code: F020
Description: Control PWB RAM checksum error
Causes: Defective main memory (RAM) on the control PWB. Defective expanded memory (DIMM).
Remedy: Defective main memory (RAM) on the control PWB. Turn the power switch off/on to restart the printer. If the error is not resolved, replace control PWB. Defective expanded memory (DIMM). Replace the expanded memory (DIMM).
Code: F030
Description: Control PWB general failure
Causes: Defective control PWB.
Remedy: Turn the power switch off/on to restart the printer. If the error is not resolved, replace control PWB.
Code: F040
Description: Control PWB engine communication error
Causes: Defective control PWB.
Remedy: Turn the power switch off/on to restart the printer. If the error is not resolved, replace control PWB.