Description: Main PWB - operation panel PWB communication error
Causes: Defective main PWB. Defective operation panel PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB. Defective operation panel PWB. Replace the operation panel PWB.
Code: F020
Description: Main PWB RAM checksum error
Causes: Defective main memory (RAM) on the main PWB. Defective expanded memory (DIMM).
Remedy: Defective main memory (RAM) on the main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB. Defective expanded memory (DIMM). Replace the expanded memory (DIMM).
Code: F040
Description: Main PWB - engine PWB communication error
Causes: Defective main PWB. Defective engine PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB. Defective engine PWB. Replace the engine PWB.
Code: F041
Description: Main PWB - scanner communication error
Causes: Defective main PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
Code: F050
Description: Engine ROM checksum error
Causes: Defective engine PWB.
Remedy: Defective engine PWB. Replace the engine PWB and check for correct operation.