Sub Scanning Direction; Off Center Adjustment; Oc Mode - Sharp AR-M207 Service Manual

<Adjustment specification>
Note: A judgment must be made with 200mm width, and must not be
made with 100mm width.
Adjustment mode SIM
text array
Main scanning 48-1
direction magnifi-
cation ratio
(5) Sub scanning direction (scanning direction)
magnification ratio adjustment (SIM 48-1, SIM 48-5)
a. OC mode in copying (SIM48-1)
Note: Before performing this adjustment, be sure to check that the CCD
unit is properly installed.
1) Put a scale on the original table as shown below, and make a normal
(100%) copy.
2) Compare the scale image and the actual image. If necessary,
perform the following adjustment procedures.
3) Execute SIM 48-1.
4) After completion of warming up, shading is operated and the current
correction value of the sub scanning direction magnification ratio is
displayed on the screen.
Sim48-1 COPY MAG.
1:F-R
2:SCAN
5) Select [2.SCAN] mode with the cross cursor.
Sim48-1 COPY MAG.
1:F-R
2:SCAN
6) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
Adjustment mode SIM
text array
Sub scanning 48-1
direction
magnification ratio

OC mode

b. RSPF sub scanning direction magnification ratio (SIM48-5)
Note:
•Before performing this adjustment, be sure to check that the CCD unit is
properly installed.
•Before performing this adjustment, the OC mode adjustment in copying
must be completed.
Display Set Specifi-
value cations
F-R +1 Normal ±
+0.1% 1.0%
-1
0.1%
50
50
[ 1- 99] 50
50
50
[ 1- 99] 50
Display Set Specifi-
value cations
SCAN +1 Normal ±
+0.1% 1.0%
-1
0.1%
AR-M207 M165 M162 ADJUSTMENT 6-7
1) Put a scale on the original table as shown below, and make a normal
(100%) copy to make a test chart.
Set
range
1 - 99
Note: Since the printed copy is used as a test chart, put the scale in
parallel with the edge lines.
2) Set the test chart on the SPF and make a normal (100%) copy.
3) Compare the scale image and the actual image. If necessary,
perform the following adjustment procedures.
4) Execute SIM 48-5.
5) After warm-up, shading is performed.
6) Check to confirm that the RSPF (SIDE1) mode is selected with the
cross cursor.
7) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
Adjustment mode
Sub scanning
direction
magnification
ratio
(Front surface)
Sub scanning
direction
magnification
ratio
(Back surface)
* "RSPF (SIDE2)" is displayed only when the RSPF is installed.
(6) Off center adjustment (SIM 50-12)
a. OC mode (SIM50-12)
1) Make a test chart as shown below and set it so that its center line is
fit with the original guide center mark.
* To make a test chart, draw a line on A3 or 11" x 17" paper at the center
in the paper transport direction.
Set
range
1 - 99
2) Make a normal copy from the manual paper feed tray, and compare
the copy and the test chart.
If necessary, perform the following adjustment procedures.
3) Execute SIM 50-12.
Sim48-5 (R)SPF ZOOM
1:RSPF(SIDE1) 50
2:RSPF(SIDE2) 50
[ 1- 99] 50
SIM Display Set
text array value
48-5 RSPF +1
(SIDE1) +0.1%
-1
0.1%
RSPF
(SIDE2)
Original guide
Center
Copy paper
(A3 or 17" x 11")
Specifi- Set
cations range
Normal ± 1 - 99
1.0%