Samsung SCX-82x0 series Service Manual page 290

● Error code :
A3-3111
A3-3112
A3-3113
A3-3114
● Symptom / Cause :
The NC sensor in the fuser unit is defective.
The sensor signal is abnormal due to defective harnes
● Troubleshooting method :
1. Turn the machine off then on. If the problem persists
2. Check if Fuser is connected correctly.
3. Execute the sensor test to check the sensor operate
(Diagnostics > Engine Diagnostics > Engine Tes
109-0000 Fuser Temperature A
109-0010 Fuser Temperature B
4. Remove Fuser.
(Refer to 3.5 Fuser)
5. Disassemble Fuser and take off the NC thermistor.
(Refer to 3.5.1 Fuser cover) (R f t 3 5 1 F
6. Measure the resistance value of the thermistor by D
307KΩ~430KΩ@25℃, replace Thermistor(1404-
7. If the error persists, replace the Fuser(JC91-01144
8. If the error persists after replacing fuser unit,
replace Main Board(JC92-02587A(40), JC92-0258
Service Manual
7. Troubles
● Error message :
Sensor Failure: Turn
p
)
shooting
n off then on. Call for service if the problem persists.
ss.
s, turn off again.
es normally by SVC mode.
st Routines)
DVM. If the measured value is out of
-001453)
4A(220V) / JC91-01143A(110V))
87B(30)) .
7-A- -12
SAMSUNG ELECTRONICS