2RV/2RW/2RX/2RY/3RA-3
7-69
(2-2) Content of Self Diagnostic
C0100: Backup memory device error
An abnormal status is output from the flash memory.
C6030 Broken thermopile
C6050 Thermopile low temperature error
C6200 Fuser edge thermistor error
C6220 Fuser edge thermistor high temperature error
C6230 Broken fuser edge thermistor
C6250 Fuser edge thermistor low temperature error
C6400 Zero-cross signal error
C6600 Fuser rotation error
C6610 Fuser press-release sensor error
C6650 Thermopile EEPROM error
C7220 Broken in-machine thermistor
C7800 Outer thermistor broken
C7990 Waste toner full
Step Check description Assumed cause Measures Reference
1 Resetting the main power The EEPROM does not
operate properly.
Turn off the power switch and
unplug the power cord. After
5s passes, reconnect the
power cord and turn on the
power switch.
2 Reinstalling the EEPROM The EEPROM is not prop-
erly attached.
Reattach the EEPROM on
the main/engine PWB.
3 Replacing the EEPROM The EEPROM is faulty. Replace the EEPROM on the
main/engine PWB. After
replacement, C0180 appears
and execute U004.
4 Checking the main/engine
PWB
The connector is not con-
nected properly or the wire
or main/engine PWB is
faulty.
Reconnect the connector of
the main/engine PWB. If the
wire is pinched or scratched,
repair or replace it. If not
repaired, replace the main/
engine PWB.
Error code Contents