Table 7-1-2 service call error list (3/6)
Display
Cause
Details of error
Method
Service call
150: Error
153: Error
Defective fuse
cutting of ID unit
Is the ID unit installed correctly?
Does the error reoacur?
Does it restore by exchanging
PRE board
No
Yes
Yes
Installed ID unit again
Turn on the power supply again
Replace PRE board after check
the cable connection of PRE
board-M32 board.
Replace M32 board.
Service call
154: Error
Defective fuse
cutting of belt
unit
Is the belt unit installed correctly?
Does the error recur?
No
Yes
Yes
Reinstall the belt unit.
Turn on the power supply again.
Replace M32 board after check
cable connection.
Service call
155: Error
Defective fuse
cutting of fuser
Is the fuser installed correctly?
Does the error recur?
No
Yes
Yes
Reinstall the fuser after its
connection connector is cleaned
Turn on the power supply again
Replace M32 board after check
the cable connection.
Service call
160: Error
163: Error
Defective toner
sensor detection.
It does not occur
during shipping
setting
Is the toner cartridge installed?
Is the lock level of toner set?
Does the error recur?
Does the error recur?
Does the error recur?
No
No
Yes
Yes
Yes
Install a toner cartridge.
Turn the lock lever of toner
cartridge to the fixed position.
Remove the right side cover, take
measures to prevent the right side
of the device from being exposed
to ambient light, and confirm that
the toner sensor is lighted during
initialization of the device.
Reconfirm it after replacing the
toner sensor Assy.
Replace the M32 board.
Service call
167: Error
Thermistor
Slope Error
Is the error message displayed?
Does the error recur?
Yes
Yes
Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes.
Service call
168: Error
Compensation.
Thermistor Error
Is the error message displayed?
Does the error recur?
Yes
Yes
Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes. Note)
Service call
169: Error
Upper Side
Thermistor Error
Is the error message displayed?
Does the error recur?
Yes
Yes
Turn on the power supply again
Turn on the power supply again
after storage for 30 minutes.
Service call
170: Error
171: Error
Thermistor Short
circuit / Open
circuit of the
fuser is detected
Does the error recur?
Yes
Check the cable connection
between the ZAK board and M32
board and turn on the power
again.
Replace the fuser unit.
Replace the M32 board.
See Note.
Service call
172: Error
173: Error
Thermistor
Temperature
abnormality (high
or low) of the
fuser is detected Does the error recur?
Yes
Check the cable connection
between the ZAK board and M32
board and turn on the power
again.
Replace the fuser unit.
Replace the M32 board.
Y108500-4
Service Manual
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