Duplo DF-920 Maintenance Manual page 44

2-6-12. Stopping position of switching shaft in folding modes other than single folding
The stopping position of the switching shaft in folding
modes other than single folding is set near the folding
roller so that the collar for reducing defects such as
double dent and dog ears of brochure folding serves as
the stopper of the switching shaft. As a result, the ridge
of the switching shaft is used as the holder of the paper
ejected from folding plate 2.
At this time, as the conveyance route for paper coming
into folding plate 2 becomes narrow, defects such as
flattening of the first folded line may occur in the double
folding of some thick paper (157 g/m
Perform the following solutions for such defects.
(1) S e t t i n g t h e t h i c k p a p e r m o d e ( C a n b e
performed by users.)
Increase the rotational speed of the folding roller
temporarily.
Setting method
Press the "+" speed key and set the maximum
processing speed, and press it again for another
two seconds. The maximum speed lamp blinks,
indicating that the thick paper mode has been set.
Clearing the setting
Press the "–" speed key. The maximum speed lamp
stops blinking and lights up, indicating that the thick
paper mode has been cleared.
This setting will also be cleared when the power is
turned off.
1-42
2
(40 lb)).
12H-M12M0-0309-0
Blinking (Thick paper mode)