74
Self Diagnostic Error Codes
Code
Cause/Description
Remedy
131 - 134
LED head detection is abnormal.
(131 =Y, 132 = M, 133 = C, 134= K)
Is the LED
head installed normally? Is the LED HEAD FUSE blown?
Install the LED head unit properly.
Check the LED HEAD FUSE.
Turn OFF the power once and back ON.
Replace LED head unit
For the fuse check method, refer to section 2.7.8.
142
ID Up/Down Position detection error.
Reinstall the ID units. Turn OFF the power and back ON.
Replace the ID UP/DOWN sensor.
150 - 153
ID unit fuse is blown.
(150 = Y, 151 = M, 152= C, 153 = K)
Reinstall the ID unit. Turn OFF the power and back ON.
Replace ID Unit
Check the cable connection between PRZ PCB and PU
PCB.
Replace PU PCB
154
Belt unit fuse is blown.
Reinstall the Belt unit. Turn OFF the power and back ON.
Check the cable connection
Replace Belt Unit
Replace PU PCB
155
Fuser unit fuse is blown.
After cleaning the connectors of the Fuser, re-install it.
Check the cable connection
Replace Fuser
Replace PU PCB
160 - 163
Toner sensor detection is defective.
(160= Y, 161 = M, 162 = C, 163= K).
Is the toner cartridge installed? Is the toner lock lever
set?
Rotate the toner lock lever that fixes the toner cartridge
to the locking position.
Turn OFF the power and back ON.
Replace the toner sensor Assy.
167 - 169
Thermistor Slope Error / Compensation Thermistor
Error
After cleaning the connectors of the Fuser, re-install it.
Replace Fuser
Replace PU PCB
170 / 171
Short-circuit or open circuit of the Fuser unit
thermistor is detected.
After cleaning the connectors of the Fuser, re-install it.
Replace Fuser
Replace PU PCB
172 - 177
Fuser unit thermistor detected abnormal temperature.
(High or low temperature)
After cleaning the connectors of the Fuser, re-install it.
Replace Fuser
Replace Low voltage power supply
Replace PU PCB
181 / 182
Option unit I/F error (181 =Duplex Unit, 182 = Option
Tray)
Turn OFF the power and back ON.
Check connection of the option connector.
Replace the option unit.
190
System memory overflow.
Turn OFF the power and back ON.
Install the add-on RAM DIMM
Replace the add-on RAM DIMM
200 - 202
PU Firmware Download Error
Turn OFF the power and back ON.
Reload PU Firmware
203 – 208
214
CU program error. CU program executed illegal process.
Check the connection between CU PCB and PU PCB.
Replace CU PCB
209
Custom Media Type table download has failed.
Turn OFF the power and back ON.
Reload Firmware
