Konica Minolta bizhub 25e, Field Engineering Manual

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4-38
No Symptom What to confirm Countermeasure
3 Documents jam
frequently.
The LCD shows
“Please reset
the document.” 1. Did you feed a single document? Yes
No Check No. 2.
Check No. 3
2. Did you use thin paper or converted
paper?
Yes
No
Recommend the customer to use the
document glass.
Check No. 8.
3. Did you set documents more than
the capacity?
Yes
No Check No. 4.
Check No. 5.
4. If you set documents within the
capacity, the symptom be fixed.
Yes
No Solved.
Check No. 5.
5. Did you use wrinkled or curled
documents?
Yes
No
Recommend the customer to use the
document glass.
Check No. 6.
6. Does the machine still feed
documents?
Yes
No Check No. 7.
Check No. 8.
7. Does the machine still discharge
documents?
Yes
No Check No. 23.
Check No. 24.
8. Does the clutch rotate properly? Yes
No Check No. 9.
Replace the clutch.
9. Does the separate roller work
properly?
Yes
No Check No. 11.
Check No. 10.
10. Does the transfer gear work
properly?
Yes
No Check No. 11.
Adjust the gear.
11. Does the ADF motor rotate
properly?
Yes
No Check No. 12.
Replace the ADF motor.
12. Is the separation pad pressure
appropriate?
Yes
No Check No. 13.
Adjust the separation pad pressure.
13. Do CN1-1, 2, 3 and 4 of the power
supply have +24V output?
Yes
No Check No. 14.
Replace the power supply.
14. If you replace the harness
between the power supply and
main control board, the message
will disappear.
Yes
No
Replace the harness between the power
supply and main control board.
Check No. 15.
15. Do P3-1, 2, 3, and 4 on the main
control board have +24V output ?
Yes
No Check No. 16.
Replace the main control board.
16. Has the DS1 sensor been
installed properly?
Yes
No Check No. 17.
Re-install it properly.
17. Does the feeler for the DS1
sensor work properly?
Yes
No Check No. 18.
Replace the DS1 sensor feeler.
18. Are there any foreign objects
stuck around paper guides?
Yes
No Remove the objects.
Check No. 19.
19. Does the voltage level of P3-5 on
the main control panel change to
+0V when the DS1 is ON, and to
+3.3V when the DS1 is OFF?
Yes
No Check No. 21.
Check No. 20.
20. If you replace the DS1 sensor, the
symptom will be fixed.
Yes
No Replace the DS1.
Replace the main control board.