Ricoh FT7770 Service Manual page 371

Copier
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April, '89
30
12. Original Leading Edge Registration Adjustment
Adjustment Standard:
NOTE: Before this adjustment, check the copier's leading edge registration
adjustment and original skew.
1.
Set the original application switch in the thin position.
2.
Open the DF
as follows:
(Free run mode for
Dip SW 101
1 2 3 4
1 ---
1 = ON, 0 = OFF, - = Don't mind
[Forward Adjustment]
3.
Insert an A3/11" x 17" original in the feed-in unit, and press SW101 on
the DF main board to feed the original.
4.
Slowly open the DF transport unit, and check that the original
registration is
main board.
[Reverse Adjustment]
5. Insert an A3/11" x 17" original in the feed-in unit, and press SW101 on
the DF main board to feed the original. Press SW 102 to reverse the
original.
6. Slowly open the DF transport unit, and check that the original
registration is 1.0 to 2.0 mm.
main board.
NOTE: Turn VR106 clockwise to delay original stop timing.
7. Turn VR106 counterclockwise half a calibration notch.
Forward : 1.0 to 2.0 mm
Reverse :
main board plate (2 screws), and
sided originals. )
single
Dip SW 102
1 2 3 4
1 0 0 1
1.0 to 2.0
mm.
0.0 mm
set the
If not, adjust it using VR107 on the DF
If not, adjust it using VR107 on the DF
7-52
Dip SWs 101 and 102

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