Sharp MX-M264U Service Manual page 69

2) Set the adjustment chart to the RSPF.
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.
original
a
b
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.
4) Enter the SIM 50-12 or 50-6 mode.
SIM50-12
SIM50-6
SIM50-12
Item Display
A OC Document table image off-
center adjustment
B SPF(SIDE1) SPF front surface image off-
center adjustment
C SPF(SIDE2) SPF back surface image off-
center adjustment
A - C: When the adjustment value is increased, the image
position is shifted to the rear frame side.
1step = 0.1mm
copy
Setting Default
Content
range value
1 - 99
1 - 99
1 - 99
MX-M264U ADJUSTMENTS AND SETTINGS 5 – 34
SIM50-6
Item/Display
A SIDE1
B SIDE2
C Image LEAD_EDGE
loss (SIDE1)
amount
setting
D FRONT_REAR
SIDE1
(SIDE1)
E TRAIL_EDGE
(SIDE1)
F Image LEAD_EDGE
loss (SIDE2)
amount
setting
G FRONT_REAR
SIDE2
(SIDE2)
H TRAIL_EDGE
(SIDE2)
I OFFSET_SPF1
J OFFSET_SPF2
K SCAN_SPEED_SPF1
L SCAN_SPEED_SPF2
* 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 SPF rear edge image loss setting is provided for
countermeasures against the case when shades are
produced.
5) Select an adjustment mode with the scroll key.
SIM50-12
SPF(SIDE1)
SPF(SIDE2)
50
SIM50-6
OFFSET SPF1
50
OFFSET SPF2
50
6) Enter an adjustment value with 10-key, and press [OK] key.
(Change for change in the adjustment value: 0.1mm/step)
(When the adjustment value is increased, the print image is
shifted to the rear.)
Repeat the procedures of 2) - 6) until a satisfactory result is
obtained.
Setting
Content
Front surface
document scan
position adjustment
(CCD)
Back surface
document scan
position adjustment
(CCD)
Front surface lead
edge image loss
amount setting
Front surface side
image loss amount
setting
Front surface rear
edge image loss
amount setting
Back surface lead
edge image loss
amount setting
Back surface side
image loss amount
setting
Back surface rear
edge image loss
amount setting
RSPF front surface
document off-center
adjustment
RSPF back surface
document off-center
adjustment
RSPF document
front surface
magnification ratio
adjustment (Sub
scan)
RSPF document
back surface
magnification ratio
adjustment (Sub
scan)
Front surface mode
Back surface mode
Front surface mode
Back surface mode
Default
range value
1 - 99 50
1 - 99 50
0 - 99 20
0 - 99 20
0 - 99 40
0 - 99 20
0 - 99 20
0 - 99 40
1 - 99 50
1 - 99 50
1 - 99 50
1 - 99 50