Read Sharp AR-M160 (serv.man14) Service Manual online
AR-M205 ADJUSTMENT 6-8
<Adjustment specification>
Note: A judgment must be made with 200mm width, and must not be
made with 100mm width.
(6) 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.<<PHOTO>>
4) After warm-up, shading is performed and the current set value of the
main scanning direction magnification ratio is displayed on the
display section in 2 digits.
5) When the photo lamp is lighted by pressing the density selection key,
the current magnification ratio correction value in the sub scanning
direction is displayed in lower 2 digits of the display section.
6) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
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.
1) Put a scale on the original table as shown below, and make a normal
(100%) copy to make a test chart.
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.
The auto density lamp lights up and the current front surface sub
scanning direction magnification ratio correction value is displayed in
two digits on the display section.
6) Enter the set value and press the start key.
The set value is stored and a copy is made.
7) Change the mode from the duplex original mode to the simplex
original mode.
"MANUAL" lamp lights up and the current back surface sub scanning
direction magnification ratio is displayed in two digits on the display
section.
section.
8) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
(7) 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.
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.
4) After warm-up, shading is performed and the current set value of the
off center adjustment is displayed on the display section in 2 digits.
5) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
Mode
Specification
SIM
Set value
Set range
Main scanning
direction
magnification
ratio
direction
magnification
ratio
At normal:
±1.0%
±1.0%
SIM 48-1 Add 1:0.1%
increase
Reduce 1:
0.1%
decrease
Reduce 1:
0.1%
decrease
1 ~ 99
Mode
Specification
SIM
Set value
Set range
Sub scanning
direction
magnification
ratio
(OC mode)
direction
magnification
ratio
(OC mode)
Normal
±1.0%
±1.0%
SIM 48-1
(PHOTO)
(PHOTO)
Add 1:0.1%
increase
Reduce 1:
0.1%
decrease
increase
Reduce 1:
0.1%
decrease
1 ~ 99
Mode
Specification
SIM
Set value
Set range
Sub scanning
direction
magnification
ratio
(SPF mode)
direction
magnification
ratio
(SPF mode)
Normal
±1.0%
±1.0%
SIM 48-5 Add 1:0.1%
increase
Reduce 1:
0.1%
decrease
Reduce 1:
0.1%
decrease
1 ~ 99
Mode
Specification
SIM
Set value
Set range
Original off
center mode
(OC mode)
center mode
(OC mode)
Single:
Center ±2.0mm
Center ±2.0mm
SIM 50-12
(AE lamp
ON)
Add 1:
0.1mm shift
to R side
Reduce 1:
0.1mm shift
to L side
0.1mm shift
to R side
Reduce 1:
0.1mm shift
to L side
1 ~ 99
Center
Original guide
Copy paper
(A3 or 17" x 11")
(A3 or 17" x 11")
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