Sharp AR-6020V Service Manual page 36

2-D Main scanning direction (FR direction)
magnification ratio adjustment
This adjustment executes the main scanning direction (Front/Rear)
and sub scanning direction magnification ratio adjustments.
When the adjustment value is entered by the [Numeric] keys and
press the [START] key, the setting value is saved and the machine
makes one copy.
Switching can be made with [AUTO/TEXT/PHOTO] key, and the
set value of the selected mode is displayed on the number of cop-
ies display.
When the adjustment value is increased by 1, the printing copy is
expanded in 0.1%. The adjustment range is from 1 to 99.
LED
TEXT indicator Main scanning direction magnification
ratio (OC/RSPF)
PHOTO indicator Sub scanning direction magnification ratio
(OC)
1) Place a scale on the document table as shown in the figure
below.
2) Enter the SIM 48-1 mode.
<Adjustment specification>
Mode Specification
Main scanning
At normal: +/-
direction magni-
1.0%
fication ratio
Adjustment mode
Set
SIM Set value
range
Add 1:0.1%
increase
SIM 48-1 Reduce 1: 1 - 99
0.1%
decrease
AR-6020V ADJUSTMENTS 5 – 7
2-E Sub scanning direction (scanning
direction) distortion adjustment
2-E (1)OC mode in copying
This adjustment executes the main scanning direction (Front/Rear)
and sub scanning direction magnification ratio adjustments.
When the adjustment value is entered by the [Numeric] keys and
press the [START] key, the setting value is saved and the machine
makes one copy.
Switching can be made with [AUTO/TEXT/PHOTO] key, and the
set value of the selected mode is displayed on the number of cop-
ies display.
When the adjustment value is increased by 1, the printing copy is
expanded in 0.1%. The adjustment range is from 1 to 99.
LED
TEXT indicator Main scanning direction magnification
ratio (OC/RSPF)
PHOTO indicator Sub scanning direction magnification ratio
(OC)
Before execution of this adjustment, remove the document table
glass.
1) Place 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) Enter the SIM 48-1 mode.
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.Enter the SIM 48-1 mode.
5) Enter the set value and press the [START] key. The set value
is stored and a copy is made.Enter the SIM 48-1 mode.
<Adjustment specification>
Mode Specification
Sub scanning
direction mag- Normal
nification ratio +/-1.0%
(OC mode)
Adjustment mode
SIM Set value Set range
Add 1:0.1%
increase
SIM 48-1
Reduce 1: 1 - 99
(PHOTO)
0.1%
decrease