Oki C910 Troubleshooting Manual page 25

Display Cause
Se rvice Call When turning
103: Error
ON the power,
detected Engine
SRAM Read /
Write Error.
Service Call When turning ON
104: Error
the power,
detected error in
engine EEPROM
test total.
Service Call
When turning
105: Error ON the power,
failed to detect
the EEPROM
(presence).
Service Call Error detected
106: Error in engine
control logic.
Service Call An optional unit
111: Error for another
to model was
117: Error detected.
111: Duplex unit
112: 2nd Tray
113: 3rd Tray
114: 4th Tray
115: 5th Tray
116: Finisher
117: Inverter
Service Call Low Voltage
121: Error Power FAN
Error
Service Call Sensor detects
123: Error an inappropriate
relative humidity
for the operat-
ing environment.
Service Call Sensor detects
124: Error an inappropriate
room tempera-
ture for the
operating
environment.
Service Call Error detected
125: Error in MT home
position.
Turn OFF the Sensor Dew
power and wait Error
for awhile.
126: Dew Error
Service Call Fuser Cooling
127: Error FAN Error
Service Call Engine FAN
128: Error Motor Error
Table 7-1-1 Operator Alarm (3/10)
Error Description and Analysis
Does the Error take place
again?
Does the Error take place
again?
Is there an EEPROM?
Does the Error take place
again?
Does the Error take place
again?
Is the proper optional unit for
that model mounted?
1) Is the PU PCB high
voltage power cable
properly connected?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
Sensor Dew Error Detected
1) Is the fuser cooling fan
operating?
2) Cooling fan is replaced but
Error occurs again.
Error was detected in each fan.
01: Fuser FAN Error
02: Power FAN Error
03: PU Motor FAN Error
04: Belt FAN Error
05: IDFAN Error
06: Top Cover FAN Error
Troubleshooting Guide Page 25
Remedy
judgment
Yes Replace Engi ne Control PCB
(S2V)
Yes Replace engine control PCB
(S2V).
Check to see if there is an
Yes
Yes EEPROM. If not, mount an
EEPROM.
Replace engine control PCB
(S2V).
Yes Replace engine control PCB
(S2V).
No Mount the proper optional
unit.
No Check the connection. Then
turn ON the power again.
Replace the unit if operations
is not restored.
No Connect properly
Check to see if there is any
Yes
contact-defects in the high
voltage system.
Replace High Voltage Power Unit
Yes
Yes Turn ON power again.
Replace the environmental
Yes
sensor.
Turn ON power again.
Yes
Replace the environmental
Yes
sensor.
Yes Turn ON power again.
Yes Replace MT
Wait a while then turn ON
power again.
Replace fuser cooling fan.
No
Replace engine control PCB (S2V).
Replace engine control PCB
Yes
Yes (S2V).
Is the applicable location of
the fan connection normal?
If the condition does not
change Replace fan.
600 1200
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓
-
✓ ✓