Sharp MX-4100N Service Manual page 68

b) Adjustment value calculation
Add or subtract the shift amount calculated above to or
from the current adjustment value, and the result value is
used as the new adjustment value.
(When the shift amount (correction value) is plus)
Adjustment value = Current adjustment value + Shift
amount (correction value)
(When the shift amount (correction value) is minus)
Adjustment value = Current adjustment value - Shift
amount (correction value)
A
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
-38
-36
-34
-32
-30
-28
-26
-24
-22
Previous value before
adjustment
A: 100
B: 112
C: 95
ADJ 11
Scan image distortion
adjustment
This adjustment is needed in the following situations:
* When the scanner (reading) section is disassembled.
* When the copy image is distorted.
11-A Scanner (reading) unit parallelism
adjustment
Before execution of this adjustment, remove the document table
glass. (For details, refer to [C]-3.)
1) Loosen the fixing screws of the scanner unit A and the drive
wire, and remove the scanner unit A from the drive wire.
-120
120
-18
22
-16
24
-14
26
-12
28
-10
30
-8
32
-6
34
-4
36
-2
38
0
0
-38
2
-36
4
-34
6
-32
8
-30
10
-28
12
-26
14
-24
16
-22
18
New adjustment value
A: 46 (=100-54)
B: 126 (=112+14)
C: 125 (=95+30)
MX-5001N ADJUSTMENTS 5 – 26
B
-120
120
-18
22
-16
24
-14
26
-12
28
-10
30
32
34
36
38
0
-38
2
-36
3
-34
6
-32
8
-30
10
-28
12
-26
14
-24
16
-22
18
C
22
24
26
28
30
-8
32
-6
34
-4
36
-2
38
0
10
12
14
16
18
-120
120
0
2
4
6
8