2RV/2RW/2RX/2RY/3RA-3
7-92
F050: Engine main program error
The engine program cannot start up.
Step Check description Assumed cause Measures Reference
1 Resetting the main power The print engine ROM
checksum is faulty.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
2 Firmware upgrade The firmware is not the lat-
est version.
Upgrade the engine firmware
to the latest version
3 Reinstalling the EEPROM The EEPROM is not prop-
erly attached.
Reattach the EEPROM to the
main/engine PWB.
4 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.