58
Code
Cause/Description Remedy
155
Fuser unit fuse-cut error
Is the fuser unit installed properly?
Clean the connection connector of the fuser unit, and then re-install the
fuser unit.
Turn off and on the MFP.
Be sure of cable connection, and then replace the CU/PU board.
160 – 163
Toner sensor detection error
160=Y,
161=M,
162=C,
163=K).
This error does not occur with the MFP in the factory shipped
configuration.
Install the toner cartridge.
Turn it to the fixed (locked) position.
Turn off and on the MFP.
Replace the toner sensor assembly.
167
Thermistor slope error
Turn off and on the MFP.
Turn off and on the MFP after leaving it for 30 minutes.
168
Compensation thermistor error
Turn off and on the MFP.
Turn off and on the MFP after leaving it for 30 minutes.
169
An error of the Upper Side Thermistor
Turn off and on the MFP.
Turn off and on the MFP after leaving it for 30 minutes.
170 – 171
A fuser thermistor short or open circuit was detected.
After cleaning the connectors of the Fuser, re-install it.
Turn off and on the MFP.
Replace the fuser unit.
172 – 173
A fuser thermistor temperature error (high or low temperature) was
detected.
After cleaning the connectors of the Fuser, re-install it.
Turn off and on the MFP.
Replace the fuser unit.
Replace the low-voltage power supply.
Replace the CU/PU board.
174
A backup thermistor shot circuit was detected (high temperature)
Turn off and on the MFP.
Replace the fuser unit.
175
A backup thermistor open circuit was detected (low temperature)
Turn off and on the MFP.
Replace the fuser unit.
176 – 177
A backup thermistor temperature error (high or low temperature) was
detected.
Turn off and on the MFP.
Replace the fuser unit.
Replace the Low Voltage Power Supply.
182
Option unit I/F error
Turn off and on the MFP.
Be sure of connector connection.
Replace the option unit.
190
System memory overflow
Turn off and on the MFP.
Replace the CU/PU board.
200 – 202
PU firmware download error
An error occurred in re-writing the PU firmware.
Turn off and on the MFP, and then re-download it (In general use of the
MFP, this re-writing is not performed and this error does not occur)
203 – 208
213 – 214
F0C
FFE
FFF
CU program error (203 to 214 do not occur in general use of the
MFP)
Invalid processing was performed with a CU program.
Replace the CU/PU board.
209
Custom Media Type table downloading failure
Custom Media Type table downloading failed.
Turn off and on the MFP, and then re-download it (In general use of the
MFP, this downloading is not performed and this error does not occur)
231
TAG interface error
IA TAG interface error was detected.
01 : A short-circuit error.
03 : TAG communication error.
Be sure the toner cartridges and the image drums are properly set.
Replace the toner cartridges.
When the error occurs again after the image drums are re-installed, be
sure of the cable connection from the CU/PU board to the toner sensor
board.
250
SD card error
251
SD card erasure error
252 – 255
SD card security error
256 – 257
SD card error
