4-41
No. Symptom What to confirm Countermeasure
3 Documents jam
frequently.
The LCD shows
“Please reset the
document.”
21. Does the voltage level of P3-12 on
the main control panel change to
+0V when the DS2 is ON, and to
+3.3V when the DS2 is OFF?
Yes
No
Check No. 22.
Check No. 25.
22. If you replace the DS2 sensor, the
symptom will be fixed.
Yes
No
Replace the DS2.
Replace the main control board.
23. Does the voltage level of P4-5 on
the main control panel change to
+0V when the DS3 is ON, and to
+3.3V when the DS3 is OFF?
Yes
No
Check No. 24.
Check No. 25.
24. If you replace the DS3 sensor, the
symptom will be fixed.
Yes
No
Replace the DS3.
Replace the main control board.
25. Is the separation roller dirty? Yes
No
Replace the separation roller.
Check No. 26.
26. Is the separation pad dirty? Yes
No
Replace the separation pad.
Replace the machine.
4 Documents skew 1. Have the document guides been
adjusted properly?
Yes
No
Check No. 2.
Re-adjust the guides properly.
2. Did you place different size
documents at the same time?
Yes
No
Set only the same size documents.
Check No. 3.
3. Are there any foreign objects on the
paper pass?
Yes
No
Remove the objects.
Check No. 4.
4. Have the separator roller and the
pad separator been worn out?
Yes
No
Replace them.
Check No. 5.
5. Are there any problems with on
the installations and operations of
the separator roller and the pad
separator?
Yes
No
Check their operations.
Check No. 6.
6. Is the guide outer deformed? Yes
No
Fix or replace it.
Replace the machine.
5 Documents get
wrinkled or torn
frequently.
1. Are they thin documents? Yes
No
Recommend customer to use the
document glass.
Check No. 2.
2. Are there any foreign objects on the
document tray?
Yes
No
Remove the objects.
Check No. 3.
3. Do the documents get wrinkled or
torn around the feeding entry area?
Yes
No
Check No. 4.
Check No. 6.
4. Has the entry area of the guide
outer been deformed?
Yes
No
Repair or replace it.
Check No. 7.
5. Is the separation pad dirty? Yes
No
Replace the separation pad.
Replace the machine.