Sharp SF-2050 Service Manual page 34

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8. Original lead edge position adjustment.
The original lead edge position for RADF can be determined using
the test command 53.
For it had been factory set that the lead edge should stop on the
location 8, but it may be needed to make adjustment. It can be
adjusted within a range of 8mm (8 steps) at the stopper side and
7mm (7 steps) at the glass side. Adjustment can be done for each
mode of single sided, double sided, and light weight paper.
0
1
2
3
4
5
6
8mm
Stopper
Setup example
1
If the lead edge of the original was still not to the stopper, enter an
optimum value.
Stopper
2
If the image at the lead edge of the original were to deform, enter
an optimum value to move to the glass side.
Stopper
3
If the original were to override the stopper, enter an optimum
value to move it to the glass side.
Stopper
8
9
10 11 12 13 14 15
7
7mm
Glass
Original
Glass
Original
Glass
Original
Glass
After finished selecting settings using test command 53; the screen
shown in the illustration bellow will appear. Select one of the num-
bers from this screen then use the 10-key pad to enter a setting for
items #1 through #15.
C
Set to between 0 and 15 as dictated by the copier's performance.
The factory setting is "8".
SIMULATION No. 53
01 ∼ 04: ORIGINAL STOP POINT SETUP.
NOM
*
1
*
2
3
4
05 ∼ 06: (NO PROGRAM)
07 ∼ 10: RADF SENSOR ADJUSTMENT.
07.REGIST 08.TIMING
09.EXIT REVERSAL 10.EMPTY
6 – 15
5
1~4
THIN
SIMP
DUP
*
*
*
*
*
*
3

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