57
Code
Cause/Description Remedy
073
Video error
An error was detected in expanding image data (an invalid data
was received)
Change the PC to a high-specification one or decrease the resolution, and
perform printing again.
Reinstall the printer driver.
Perform printing again.
Print other data.
Replace the CU/PU board.
074 – 075
Video Error
An error was detected in expanding image data.
Decrease resolution, and execute printing again.
Replace the CU PCB
081
Parameter matching check error
Reading from or writing into EEPROM or flash memory cannot be
made properly.
Turn off and on the MFP.
Replace the CU/PU board when the symptom persists
104
An engine EEPROM read/write error was detected.
Turn off and on the MFP.
Replace the CU/ PU board.
106
Engine control logic error.
Turn off and on the MFP.
Replace the CU/ PU board.
111
Duplex unit for a different model was detected
Install the correct Duplex unit.
112
The 2nd tray for a model different from the MFP was detected.
Install the correct 2
nd
tray.
113
The 3rd tray of another model is detected.
Install the correct 3
rd
tray.
121
High-voltage power supply interface error
Is the cable between the CU/ PU board and the high-voltage power
unit connected properly?
Is a contact faulty?
Reconnect it properly.
Check the high-voltage line for no poor connection.
Replace the high- voltage power supply.
122
Rear-fan error
Does the fan at the rear of the MFP operate?
Is the connector of the fan connected properly?
Be sure of the connection of the fan.
Connect the fan properly.
Replace the CU/PU board.
123
Ambient humidity error or non connection of humidity sensor
Is the cable from the CU/PU board to the toner sensor board
connected properly?
Re-connect it properly.
Replace the toner sensor board.
124
Ambient temperature error
Is the cable from the CU/PU board to the toner sensor board
connected properly?
Re-connect it properly.
Replace the toner sensor board.
126
Condensation on the device was detected.
Condensation is likely to form in such a case that a device is carried
in from the outdoors.
Leave the device untouched for two hours to a half day and turn on
the power unit.
Leave the device untouched and turn on the power unit.
Replace a control panel board.
127
An error of exhaust fan of the Fuser
Is the fan's connector properly connected?
Connect properly.
Replace the fan's motor.
Replace the CU/PU board.
128
05:
Image drum fan error
07:
Front fan error
Is the connector of the fan connected properly?
Re-connect it properly
Replace the fan motor.
Replace the CU/PU board.
131 – 134
LED head detection error
131
=Y
132
=M
133
=C
134
=K
Is the LED head installed properly?
Is the LED head fuse broken?
Install the LED head unit.
Check the LED head fuse.
(For the fuse check method, refer to section
2.8.11.)
Turn off and on the MFP.
Replace the LED head unit.
Replace the CU/PU board.
142
Image drum up-down movement position detection error
Is the image drum unit removed and installed smoothly?
Is the connector of the image drum up-down clutch is connected
properly?
Be sure of the connection of the image drum up-down clutch connector.
Replace the toner sensor board.
Connect the image drum up/down clutch properly.
153
Image drum unit fuse-cut error
Is the image drum unit installed properly?
Re-install image Drum Unit.
Turn off and on the MFP.
Be sure of the cable connection from the CU/PU board to the toner sensor
board, and then replace the toner sensor board.
Replace the CU/PU board.
154
Belt unit fuse-cut error
Is the belt unit installed properly?
Re-install Transfer Belt Unit.
Turn off and on the MFP.
Be sure of cable connection, and then replace the CU/PU board.
