Service manual

2 TROUBLESHOOTING BY PHENOMENON
7-3
DUPLO DF-755 86V-M12D0-0
2 TROUBLESHOOTING BY PHENOMENON
2.1 Paper Feed Problem
2.1.1 Mis-feed
1) Is the paper feed pressure adjustment knob set to "Thin paper?"
No:
Set the paper feed pressure adjustment knob to "Thick paper."
2) Is the paper bend because it is hardly pressed against the side guide?
Yes:
Press the side guide to each side of the paper lightly.
3) Are the paper feed rings dirty?
Yes:
Clean them.
Refer to "Chapter 1 > 6 USER MAINTENANCE."
4) Have the paper feed rings reached their end of life?
Refer to "Chapter 4> 2.2.1 Recommended spare parts A (Consumables)."
Yes:
Replace the paper feed rings.
Refer to "Chapter 3 >2.1.2 Removing the paper feed rings."
5) Is the solenoid properly adjusted?
Refer to "Chapter 5 > 1.4 Adjusting Solenoid."
No:
Adjust the solenoid.
6) Are there foreign particles on the following parts or is any of the parts deformed or broken?
•Solenoid (SOL1)
•Paper feed clutch
Yes:
Clean the parts or replace the deformed or broken part.
No:
Adjust the parts.
Refer to "Chapter 5 >
1.4 Adjusting Solenoid."