4. Troubleshooting
► Error Code
A3–3111
A3–3112
A3–3113
A3–3114
► Error message
Sensor Failure: #A3-3111. Turn off then on. Call for service if the problem persists
Sensor Failure: #A3-3112. Turn off then on. Call for service if the problem persists
Sensor Failure: #A3-3113. Turn off then on. Call for service if the problem persists
Sensor Failure: #A3-3114. Turn off then on. Call for service if the problem persists
► Symptom
The NC sensor in the fuser unit is defective. / The sensor signal is abnormal due to a defective harness.
► Troubleshooting method
•
A3–3111 : Center NC sensor is in short status.
•
A3–3112 : Center NC sensor is in open status.
•
A3–3113 : Side NC sensor is in short status.
•
A3–3114 : Side NC sensor is in open status.
1) Turn the machine off then on. If the problem persists, check the followings.
2) Enter SVC mode. Execute the fuser temperature test
(
Diagnostics > Engine Diagnostics > Engine Test Routines
)
a) If the temperature test is failed, replace the fuser unit.
b) If the temperature test is normal, replace the main board.
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