Replacing The Double Feed Prevention Lower Rubber (Upper Tray) - Konica Minolta 7020 Service Manual

HOME
(5) Remove the 2 stopper rings, and remove the
bearings from the plate.
(6) Lift the left shaft and remove the feed roller unit.
(7) Pull out the feed shaft, and remove the double feed
prevention roller (upper).
2
Feed roller
Stopper
rings
Double-feed prevention roller (upper)
(8) Remove the stopper ring, pull the guide shaft out of
the feed roller unit, and remove the feed roller.
(9) Remove the feed rubber from the feed roller.
(10) Remove the feed shaft and then remove the double
2
feed prevention roller (upper).
(11) Remove the double feed prevention upper rubber
(upper) from the double feed prevention roller (upper).
Paint mark
(12) Reinstall in the opposite sequence to removal.
Caution: Be sure to install the roller rubbers in the
Feed roller unit
Feed shaft
Swing shaft
Bearings
Stopper rings
Feed rubber Feed roller
Stopper ring
Double feed prevention
upper rubber (upper)
Double feed prevention
roller (upper)
correct direction.
Install so that the swing shaft goes to the
inside of the feed roller unit.
[4] Replacing the Double Feed
Prevention Lower Rubber (Upper
Tray)
a. Procedure
(1) Open the ADU door, and then open the conveyance
unit.
(2) Remove the developing unit and the drum unit.
(3) Slide the upper tray out. Remove the 2 set screws
holding the tray in place, and take the tray off.
Upper tray
(4) Remove the set screw, and remove the plate. Then
remove the set screw fastening the double feed
prevention roller unit in place.
Guide shaft
Feed shaft
(5) From the inside of the main body, press on the two
ends of the roller unit and remove it.
3-J-3
Set screws
Double feed prevention unit
Set screw
PAPER FEED UNIT
Set screw
Plate