Read Sharp AR-505 (serv.man8) Service Manual online
10) Insert the slide pin as shown below and make positioning in the
vertical direction.
11) Insert the slide pin as shown below and make positioning in the
horizontal direction.
(Initial position positioning is completed.)
*
Never loosen the screws which are not indicated in the figure.
If loosened, the adjustment cannot be made and the unit must be
replaced.
If loosened, the adjustment cannot be made and the unit must be
replaced.
12) Make a sample copy in the initial position and measure the
magnification ratio again.
13) Change the installing position in the horizontal direction to adjust
the magnification ratio.
·
When the copy image is longer than the original, move in
the direction of B.
the direction of B.
·
When the copy image is shorter than the original, move in
the direction of A.
the direction of A.
·
One scale of scribe line corresponds to 0.2%.
·
For fine errors which cannot be adjusted with this
adjustment, use the next simulation SIM 48-1.
adjustment, use the next simulation SIM 48-1.
(6) Main/sub scanning direction magnification ratio
adjustment
1) Before this adjustment, perform the previous adjustment of CCD
unit installation position.
2) Place a scale on the original table as shown. (Scale a and scale b
may be placed together or individually.)
·
After warming up, the ready lamp lights up.
·
The current set value is displayed simultaneously. (0
~
20)
illust: AR-280
3) Make a normal copy and obtain the main/sub scanning direction
magnification ratios.
Copy magnification ratio (MRCP)
=
(
Original
dimension
–
Copy
dimension
)
Original dimension
´
100%
Never loosen a screw other than these ones.
A
B
10
20
30
40
50
60
70
80
90
50
10
0
0
110
120
130
140
10
20
30 40 50 60 70
80 90
50 100 110 120 130 140
Scale a
Scale b
10
20
90
100
110
10
20
90
100
110
10
20
90
100
110
Scale
(Original)
(Original)
(Example 1)
Copy A
(Shorter than
the original)
Copy A
(Shorter than
the original)
(Example 2)
Copy B
(Longer than
the original)
Copy B
(Longer than
the original)
AR-505
8/18/1999
6 – 11
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