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MX-3640N ADJUSTMENTS AND SETTINGS 5 – 80
3) Enter the SIM 50-12 mode.
4) Select the adjustment mode OC with the scroll key.
5) Enter the adjustment value with 10-key, and press [OK] key.
5) Enter the adjustment value with 10-key, and press [OK] key.
The entered value is set.
When the set value is increased, the main scanning print posi-
When the set value is increased, the main scanning print posi-
tion is shifted to the front side by 0.1mm.
6) Go to the copy mode, and make a copy.
Repeat the procedures of 1) - 6) until the above condition is satis-
Repeat the procedures of 1) - 6) until the above condition is satis-
fied.
17-B
Scan image off-center adjustment
(Manual adjustment) (RSPF mode)
This adjustment must be performed in the following cases:
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) section is replaced.
* When U2 trouble occurs.
* When the RSPF section is disassembled.
* When the RSPF unit is replaced.
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) section is replaced.
* When U2 trouble occurs.
* When the RSPF section is disassembled.
* When the RSPF unit is replaced.
To execute this adjustment, it is required that the ADJ 17A Scan
image off-center adjustment (Document t able mode) must have
been properly adjusted.
1) Prepare the adjustment chart.
1) Prepare the adjustment chart.
Draw a line at the center of the front surface and the back sur-
face of A4 (11" x 8.5") paper in parallel with the paper transport
direction.
2) Set the adjustment chart to the RSPF.
3) Make a duplex copy in the normal magnification ratio from the
3) Make a duplex copy in the normal magnification ratio from the
manual paper feed tray, and check the image position on the
front surface and the back surface of the copy paper.
If the difference is within the range of 0 2.7mmm there is no
need to perform the adjustment.
If the adjustment is required, perform the following procedures.
If the adjustment is required, perform the following procedures.
4) Enter the SIM 50-12 or 50-6 mode.
SIM50-12
A - C: When the adjustment value is increased, the image
position is shifted to the rear frame side.
1step = 0.1mm
1step = 0.1mm
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Paper transport direction
Front surface
Back surface
Draw a line at the center of the
front surface and the back surface
of paper in parallel with the paper
transport direction.
front surface and the back surface
of paper in parallel with the paper
transport direction.
Item
Display
Content
Setting
range
Default
value
A
OC
Document table image off-
center adjustment
1 - 99
50
B
SPF(SIDE1)
SPF front surface image off-
center adjustment
1 - 99
50
C
SPF(SIDE2)
SPF back surface image off-
center adjustment
1 - 99
50
original
copy
a
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