Service manual

1 OUTLINE
7-2
DUPLO DF-755 86V-M12D0-0
1 OUTLINE
The problems of this machine can broadly be divided into the following three types.
1. Abnormal processing results
The unit operates but the desired processing results cannot be obtained.
Example;
○ Paper feeding problem
○ Folding problem
○ Discharging problem
If these phenomena occur, refer to the following and perform the appropriate measure.
Refer to “2 TROUBLESHOOTING BY PHENOMENON.”
2. Operational problems (Error message is displayed on the control panel)
The following six messages are displayed on the control panel.
○ NO PAPER
○ PAPER ERR
○ COVER OPEN
○ PRAT-1 SET ERR
○ PRAT-2 SET ERR
○ OVER LOAD
Refer to “3 TROUBLESHOOTING BY MESSAGE DISPLAYED.”
3. Operational problems (No error message is displayed on the control panel)
Example;
○ Power does not turn on
○ Nothing is displayed on the LCD display
○ Button operations are disabled
If these phenomena occur, refer to the following and perform the appropriate measure.
Refer to “4 TROUBLESHOOTING FOR OPERATION FAILURES.”