Konica Minolta BIZHUB 25E Field Engineering Manual page 244

No Symptom What to confirm
3 Documents jam 1. Did you feed a single document?
frequently.
The LCD shows
2. Did you use thin paper or converted
"Please reset
paper?
the document."
3. Did you set documents more than
the capacity?
4. If you set documents within the
capacity, the symptom be fixed.
5. Did you use wrinkled or curled
documents?
6. Does the machine still feed
documents?
7. Does the machine still discharge
documents?
8. Does the clutch rotate properly?
9. Does the separate roller work
properly?
10. Does the transfer gear work
11. Does the ADF motor rotate
12. Is the separation pad pressure
13. Do CN1-1, 2, 3 and 4 of the power
14. If you replace the harness
15. Do P3-1, 2, 3, and 4 on the main
16. Has the DS1 sensor been
17. Does the feeler for the DS1
18. Are there any foreign objects
19. Does the voltage level of P3-5 on
20. If you replace the DS1 sensor, the
properly?
properly?
appropriate?
supply have +24V output?
between the power supply and
main control board, the message
will disappear.
control board have +24V output ?
installed properly?
sensor work properly?
stuck around paper guides?
the main control panel change to
+0V when the DS1 is ON, and to
+3.3V when the DS1 is OFF?
symptom will be fixed.
Countermeasure
Yes Check No. 2.
No Check No. 3
Yes Recommend the customer to use the
document glass.
No Check No. 8.
Yes Check No. 4.
No Check No. 5.
Yes Solved.
No Check No. 5.
Yes Recommend the customer to use the
document glass.
No Check No. 6.
Yes Check No. 7.
No Check No. 8.
Yes Check No. 23.
No Check No. 24.
Yes Check No. 9.
No Replace the clutch.
Yes Check No. 11.
No Check No. 10.
Yes Check No. 11.
No Adjust the gear.
Yes Check No. 12.
No Replace the ADF motor.
Yes Check No. 13.
No Adjust the separation pad pressure.
Yes Check No. 14.
No Replace the power supply.
Yes Replace the harness between the power
supply and main control board.
No Check No. 15.
Yes Check No. 16.
No Replace the main control board.
Yes Check No. 17.
No Re-install it properly.
Yes Check No. 18.
No Replace the DS1 sensor feeler.
Yes Remove the objects.
No Check No. 19.
Yes Check No. 21.
No Check No. 20.
Yes Replace the DS1.
No Replace the main control board.
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