Konica Minolta BIZHUB 25E Field Engineering Manual page 245

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