Sharp SF-1120 User Manual
Page 78
2-3. Adjustment of each section
A. Lens reference position adjustment
In this model, the reference value according to each lens charac-
teristics must be entered. With this value, the lens home position is
determined.
<Procedure>
(1)
Execute simulation 48-01
•
Perform the following key operation.
"A" is displayed on the third digit of the copy quantity dis-
play, and the previously set value or 50 is displayed on the
second and the first digits.
•
Substitute the "O – L" value (variation in the distance be-
tween the original and the lens) on the lens value label at-
tached to position B shown in the figure below into the follow-
ing formula, and input the obtained value.
50 – {(O – L value)
×
5} = Correction reference value
<Example> When the lens value is +1.2;
50 – (1.2
×
5) = 44 (Correction reference value = input
value)
<Check after adjustment>
Be sure to check that the magnification ratio cam is at the home
position as shown in the figure below.
B. No. 4/5 mirror reference position adjustment
<Procedure>
(1)
Remove the external fittings.
(2)
Loosen two screws (A) which are fixing the No. 4/5 mirror and
the No. 4/5 mirror drive holder to the No. 4/5 mirror holder.
ë
C
0/
4
PSW
1
PSW
—
—
—
—
8
—
ë
—
—
—
1
2
3
4
5
6
7
8
9
0/
C
Numerals
B (Lens value label)
Lens
51 50 49
Screw A
No.4/5
drive rack
No.4/5 drive holder
No.4/5 mirror holder
7 – 4