● Code :
S3-3121
● Error message :
Scanner locked error.
● Symptom / Cause :
The scanner can’t work properly.
When moving the scanner, an abnormal home position checking of the sensor is occurred.
Home position could not be checked because of abnormal symptoms or stop of scan motor stall.
● Troubleshooting method :
1. Power Off/On
2. Check situation is same or not. usually scanner locked error would be cleared.
3. If scanner locked error is still not cleared, check if the home sensor or scanner motor is operated properly.
● Code :
S3-3122
● Error message :
Scanner Shading Error.
● Symptom / Cause :
Machine does not copy properly. (it can be print white paper)
/Scanner can’t make shading data because of following reason:
- AFE detection is failed
- Shading check sum is failed
- Scanner CIS is defective
- Scanner Motor not working
● Troubleshooting method :
1. Enter tech mode. (refer to 4.1.5)
2. Select “SD” menu using Up/Dn key.
3. Press Start Key.
Shading report will be printed such as below images after machine starting scan shading.
4. Check shading report
if result of waveform for each color is irregular or very low level, try again 2~3.
if result is still produced even though try again, change CIS or main board.