Oki MPS2731mc Maintenance Manual

44952001TH Rev.2
7-45
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
Display Cause Error details Measure
Inspection is
required.
154 : Error
Belt unit fuse-
cut error
Is the belt unit installed
properly?
Doestheerroroccuragain?
No
Yes
Yes
Re-install it.
Turn off and on the
M F P.
Be sure of cable
connection, and then
replace the CU/PU
board.
Inspection is
required.
155 : Error
Fuser unit
fuse-cut error
Is the fuser unit installed
properly?
Doestheerroroccuragain?
No
Yes
Yes
Clean the connection
connector of the fuser
unit, and then re-install
the fuser unit.
Turn off and on the
M F P.
Be sure of cable
connection, and then
replace the CU/PU
board.
Inspection is
required.
160 : Error
～
163 : Error
Toner sensor
detection
error (160=Y,
161= M,
162= C,
163 =K).
This error
does not
occur with
the MFP in
the factory
shipped
configuration.
Is the toner cartridge
installed?
Isthetonerslideshutterset?
No
No
Yes
Install the toner
cartridge.
Turn it to the fixed
position. Turn off and
on the MFP.
Replace the toner
sensor assembly.
Inspection is
required.
167 : Error
Thermistor
slope error
Does an error message
appear?
Doestheerroroccuragain?
Yes
Turn off and on the
M F P.
Turn off and on the
MFP after leaving it for
30 minutes.
Inspection is
required.
168 : Error **
Compensation
thermistor
error
Does an error message
appear?
Doestheerroroccuragain?
Yes
Turn off and on the
M F P.
Turn off and on the
MFP after leaving it for
30 minutes.
Display Cause Error details Measure
Inspection is
required.
169 : Error
An error of the
Upper Side
Thermistor
Doestheerroroccuragain? Yes Turn on the power unit.
Leave the device for
30 minutes and turn on
the power unit again.
Inspection is
required.
170 : Error
171 : Error
A fuser
thermistor
short or open
circuit was
detected.
Doestheerroroccuragain?
Yes
Turn off and on the
M F P.
Replace the fuser unit.
Inspection is
required.
172 : Error
173 : Error
A fuser
thermistor
temperature
error (high
or low
temperature)
was detected.
Doestheerroroccuragain?
Doestheerroroccuragain?
Yes
Yes
Turn off and on the
M F P.
Replace the fuser unit.
Replace the low-
voltage power supply,
and then replace the
CU/PU board when
the error occurs again.
Inspection is
required.
174 : Error
A backup
thermistor
shot circuit
was detected
(high
temperature)
Doestheerroroccuragain?
Yes
Turn off and on the
M F P.
Replace the fuser unit.
Inspection is
required.
175 : Error
A backup
thermistor
open
circuit was
detected (low
temperature)
Doestheerroroccuragain?
Yes
Turn off and on the
M F P.
Replace the fuser unit.
Inspection is
required.
176 : Error
177 : Error
A backup
thermistor
temperature
error (high
or low
temperature)
was detected.
Doestheerroroccuragain?
Doestheerroroccuragain?
Yes
Yes
Turn off and on the
M F P.
Replace the fuser unit.
Replace the low-
voltage power supply.

Oki MPS2731mc Specifications

General

Brand	Oki
Model	MPS2731mc
Category	All in One Printer
Language	English