Kyocera ECOSYS P2235dw Service Manual page 299

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