45850101TH Rev.1
2-33
2. TROUBLESHOOTING PROCEDURES
Panel display Cause Check details Result Solution
Inspection is
required.
170:Error
Short circuit of
the heat roller
Thermistor was
detected.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
171:Error
Open circuit of
the heat roller
Thermistor was
detected.
Inspection is
required.
172:Error
Heat roller
thermistor
detected
the high-
temperature.
Does this error recur? Ye s
After leaving the printer, turn
on the power again.
Replace the fuser unit.
Inspection is
required.
173:Error
Heat roller
thermistor
detected the low-
temperature.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
174:Error
Short circuit of
the backup roller
Thermistor was
detected.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
175:Error
Open circuit of
the backup roller
Thermistor was
detected.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
176:Error
Backup roller
thermistor
detected
the high-
temperature.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
177:Error
Backup roller
thermistor
detected the low-
temperature.
Does this error recur? Ye s
Cycle the power.
Replace the fuser unit.
Inspection is
required.
181:Error
Duplex unit I/F
error Does this error recur? Ye s
Cycle the power.
Check to make sure the
contact points of the
connector and replace the
Duplex unit.
Panel display Cause Check details Result Solution
Inspection is
required.
182:Error
Tray2 I/F error
Does this error recur? Ye s
Cycle the power.
Check to make sure the
contact points of the
connector and replace the
Tray unit.
Inspection is
required.
183:Error
Tray3 I/F error
Inspection is
required.
184:Error
Tray4 I/F error
Power OFF/ON
190:Error
System memory
overflow
Cycle the power.
Power OFF/ON
203:Error
ssssssssssssssss
CU program
error
Record the figures on the
lower side of the LCD, and
cycle the power.
Power OFF/ON
204:Error
Cycle the power
Power OFF/ON
207:Error
CU program
error
Cycle the power
Power OFF/ON
208:Error
Power OFF/ON
209:Error
Custom Media
Type table
downloading
failed.
Cycle the power
Power OFF/ON
213:Error
CU program
error
Cycle the power
Power OFF/ON
214:Error
CU detected PU
program error
Cycle the power
Inspection is
required.
230:Error
Not detect RFID
Reader
RFID read device error
Does this error recur?
Ye s
Ye s
Check the FFC connecting
the RFID R/W board and the
CU/PU board.
Replace the CU/PU board
and the RFID R/W unit