Description: Main PWB - print engine 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 and check for correct operation.
Code: F050
Description: Print engine ROM checksum error
Causes: Defective engine PWB
Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace engine PWB.