MX-M264U ADJUSTMENTS AND SETTINGS 5 – 37
15-C Copy image position, image loss, void area
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) unit is replaced.
* When U2 trouble occurs.
* When the RSPF section is disassembled.
* When the RSPF unit is replaced.
a. Adjustment procedures
1) Prepare the adjustment chart.
The adjustment chart can be made by the following proce-
dures.
Use A4 (11" x 8.5") paper and draw arrow marks vertically and
horizontally on the front and the back surfaces.
At the same time, put marks of the lead edge, the trail edge,
the front end, and the rear end as well as the identification
marks of the front surface and the back surface.
2) Enter the SIM 50-6 mode.
* Item A, B: When the adjustment value is increased, the scan
timing is delayed.
* Item C - H: When the adjustment value is increased, the
image loss is increased.
* Item A - H: 1 step = 0.1mm change
* The RSPF rear edge image loss setting is provided for coun-
termeasures against the case when shades are produced.
F
L
R
FACE
BACK
R
T
F
L
T
Front surface
Back surface
Draw arrows.
Draw arrows.
Put the position
marks.
Put the position
marks.
Item/Display Content
Setting
range
Default
value
A SIDE1 Front surface
document scan
position
adjustment (CCD)
1 - 99 50
B SIDE2 Back surface
document scan
position
adjustment (CCD)
1 - 99 50
C Image
loss
amount
setting
SIDE1
LEAD_EDGE
(SIDE1)
Front surface lead
edge image loss
amount setting
0 - 99 20
D FRONT_REAR
(SIDE1)
Front surface side
image loss amount
setting
0 - 99 20
E TRAIL_EDGE
(SIDE1)
Front surface rear
edge image loss
amount setting
0 - 99 40
F Image
loss
amount
setting
SIDE2
LEAD_EDGE
(SIDE2)
Back surface lead
edge image loss
amount setting
0 - 99 20
G FRONT_REAR
(SIDE2)
Back surface side
image loss amount
setting
0 - 99 20
H TRAIL_EDGE
(SIDE2)
Back surface rear
edge image loss
amount setting
0 - 99 40
I OFFSET_SPF1 RSPF front surface
document off-
center adjustment
1 - 99 50
J OFFSET_SPF2 RSPF back
surface document
off-center
adjustment
1 - 99 50
K SCAN_SPEED_SPF1 RSPF document
front surface
magnification ratio
adjustment (Sub
scan)
1 - 99 50
L SCAN_SPEED_SPF2 RSPF document
back surface
magnification ratio
adjustment (Sub
scan)
1 - 99 50
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