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41388601TH Rev.2 103 /
Table 6-1-1 Operator Alarms (3/5)
Service Call
125: Error
Error detected at the
MT home position.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the MT.
Service Call
130: Error
Temperature rise at
the LED head
detected.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off the printer, leave it for 30 min and
then turn it on again.
Replace the LED head unit.
Service Call
131: Error
~
134: Error
No LED head unit
detected when
turning on the printer
or closing the cover.
1) Is the error message displayed?
2) Is the LED head mounted properly?
3) Does the error repeat?
Yes
Yes
Yes
Verify the installation of the LED head.
Turn off/on the printer.
Replace the LED head Assy.
Service Call
140: Error
~
142: Error
Error detected with
the D located at
appropriate position.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the Drum Assy.
Service Call
150: Error
~
153: Error
Fuse in the ID unit
has not been blown.
Is the ID unit mounted properly? Yes Confirm the cable connection, or
replace the Engine board.
Service Call
154: Error
Fuse in the Belt unit
has not been blown.
Is the Belt unit mounted properly?
Yes
Confirm the cable connection, or
replace the Engine board.
Service Call
155: Error
Fuse in the Fuser unit
has not been blown.
Is the Fuser unit mounted properly? Yes Confirm the cable connection, or
replace the Engine board.
Service Call
160: Error
~
163: Error
Error detected by
Toner sensor.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Replace Toner sensor or Assy
(Y71-PWB).
Same as the above.
Service Call
170: Error
171: Error
174: Error
175: Error
Short or open circuit
detected at the Fusert
hermistor. (H or L
temperature error)
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the Thermistor and turn off the
printer. Leave it for 30 min.
Service Call
172: Error
176: Error
High temperature
error detected at
Thermistor.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the Thermistor and turn off the
printer. Leave it for 30 min.
Service Call
173: Error
177: Error
Low temperature
error detected at
Thermistor.
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the Thermistor or heater and
turn off the printer.
Service Call
181: Error
~
186: Error
Communication
failure with an option
unit detected by
Engine
1) Is the error message displayed?
2) Does the error repeat?
Yes
Yes
Turn off/on the printer.
Replace the option unit.
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Close Cover
310: CCCC
CoverOpen
(* = A4, B4 etc.)
Printer engine cover
is open.
1) Is the Top cover open?
2) Does the Cover switch operatenormally?
Close the Top cover.
Close the Side cover.
Replace the Cover switch.
Check Fuser
320:
Fuser Error
No Fuser unit detected
when turning on the
printer or closing the
cover.
1) Is the error message displayed?
2) Is the Fuser unit mounted properly?
3) Does the error repeat?
Confirm the existence of the unit.
Re-install the Fuser unit and turn off/on
the printer.
Replace the Fuser unit Assy.
Check Belt
330:
Belt Error
No Belt unit detected
when turning on the
printer or closing the
cover.
1) Is the error message displayed?
2) Is the Belt unit mounted properly?
3) Does the error repeat?
Confirm the existence of the unit.
Re-install the Belt unit and turn off/on
the printer.
Replace the Belt unit Assy.
Check Drum
340~343:
Drum Error
No ID unit detected
when turning on the
printer or closing the
cover.
1) Is the error message displayed?
2) Is the ID unit mounted properly?
3) Does the error repeat?
Confirm the existence of the unit.
Re-install the ID unit and turn off/on the
printer.
Replace the ID unit Assy.
Message Cause Error Description Solutions