Service manual
1 PAPER FEED SECTION
5-9
DUPLO DF-755 86V-M12D0-0
1.8 Adjusting the Ejection Belt Tension
If the tension of the ejection belt is not enough, poor alignment of paper or paper jam may
occur due to slippage. If these phenomena occur, adjust them as follows.
1) Loosen the screw securing the shaft unit.
2) Move the shaft unit to strain the belt.
[1]
Shaft unit
[2]
Ejection belt
3) Check that the tension is equal between the left and right belts.
4) Tighten the screw.
Secure the shaft unit at the top of the long hole.
[3]
Normal position to secure the shaft unit
[2]
[1]
[3]
1.9 Adjusting the Ejection Guide Stopper
If the height of the ejection guide stopper is not appropriate, a paper jam may occur or a
processing speed may slow down.
1) Bend the ejection guide stopper by hand so that the distance from the edge of the ejection
guide plate to the stacker plate is [A].
[1]
Ejection guide stopper
[2]
Stacker plate
[A]
33 mm (1.30 inches)
[1]
[A]
[2]
[1]
[2]
[3]
[5]
[4]
[A]










