Panasonic FP-7742 / FP-7750 (serv.man2) Service Manual ▷ View online
4-28
17
18
19
(1)Remove the E rings (each side).
(2)Remove the bearings (each side).
(3)Slide the optics drive shaft to the rear, and
remove it.
(4)Replace the optics drive belts (when one
requires replacement, we recommend
replacement of complete set of four, due
to the complexity of the process).
Disconnect the drive belts from both sides of
the half-speed unit.
1
2
Loosen the hex screws and remove the E
rings in the optics drive shaft pulleys (each
side).
1
2
3
Preventive
Maintenance
4-29
Connect the half-speed unit drive belt
(1) Move the half-speed unit to right until it
stops.
(2) Connect the half speed drive belts
(each side).
Note: If the half-speed unit has not
touched the stopper after the belt
is connected, loosen screw on the
half-speed unit support plate and
adjust the half-speed unit position.
21
Connect the full-speed unit drive belt
(1) Install the belt fixing plate on the
full-speed unit drive belt (each side).
(2) Move the full-speed unit to right until it
stops.
(3) Tighten screws on the full-speed belt
fixing plate. (each side)
20
SV616
1
2
1
Stopper
3
4-30
(6) Automatic duplex unit (ADU)
Part name
1 Paper feed roller
24K
2 Storage roller
48K
3 F/R mylar
24K
4 Paper feed pad
24K
5 DFP roller
24K
Item
Cycle
2
1
5
3
4
Preventive
Maintenance
4-31
1)
Replacement of the paper feed roller/storage roller/F/R mylar/feed roller pad
(1) Remove the screws (x 2).
(2) Remove the stopper plate.
(3) Remove the touch rings from the guide
plates.
(4) Disconnect the feed clutch connector.
(5) Remove the touch rings (x2).
(6) Move the bearing toward the feed rollers.
(7) Remove the paper feed roller shaft.
(1) Pull out the ADU until it stops.
(2) Remove the upper cover (2 screws).
(3) Lift the transport guides (1 and 2).
1
2
(1) Remove the touch ring.
(2) Remove all rollers by pulling in the arrow
direction.
(3) Replace the paper feed roller.
(4) Replace the storage rollers.
•
Take off the F/R mylar (kit) and replace it.
Note: Perform step 7 first.
3
4
2
3
1
1
3
7
6
6
5
1
2
1
4
4
3
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