MX-RP19. Service Manual for RP19N. - Sharp Copying Equipment Service Manual (repair manual). Page 11

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MX-RP19 N  ADJUSTMENTS  4 – 6
2) Enter the SIM 50-6 mode.
(DSPF)
* 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
NOTE: When [CLOSE] key is pressed in this simulation mode, the
machine goes into the normal operation mode. Under this
state,  copy  check  can  be  normally  performed.  When  the
system key is pressed, the machine returns to the simula-
tion mode.
(Lead edge image loss adjustment)
1)
Set the lead edge image loss adjustment values (LEAD EDGE
(SIDE1/SIDE2))  on the front surface  and  the back surface  to
the following values.
(Standard set value)
LEAD EDGE(SIDE 1): 
20 Lead edge image loss set value (Front surface)
LEAD EDGE(SIDE 2): 
30 Lead edge image loss set value (Back surface)
(When the set value is increased, the lead edge image loss is
increased.)
(Change for change in the set value: 0.1mm/step)
2)
Make  a  duplex  copy  in  100%  in  the  RSPF  mode.  Check  to
confirm that the lead edge image loss is within 3.0 +/- 1.0mm
on  the  front  surface  and  the  back  surface.  The  paper  lead
edge must be aligned with the presumed image lead edge.
If  the  above  condition  is  not  satisfied,  perform  the  following
procedure.
3)
Enter the adjustment value of SIDE1/SIDE2 with 10-key, and
press [OK] key.
Adjust  so  that  the  paper  lead  edge  is  aligned  with  the  pre-
sumed image lead edge.
SIDE1: Front surface lead edge scan position adjustment
SIDE2: Back surface lead edge scan position adjustment
(When the adjustment value is increased, the print image posi-
tion is shifted to the delaying direction for the paper.)
(Change for change in the set value: 0.1mm/step)
Perform  the  procedures  of  2)  -  3)  until  a  satisfactory  result  is
obtained.
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 
(CIS)
1 - 99
50
C
Image 
loss 
amoun

setting 
SIDE1
LEAD_EDGE 
(SIDE1)
Front surface lead 
edge image loss 
amount setting
0 - 99
20
D
FRONT_REA
R (SIDE1)
Front surface side 
image loss amount 
setting
0 - 99
20
E
TRAIL_EDG
E (SIDE1)
Front surface rear 
edge image loss 
amount setting
0 - 99
30
F
Image 
loss 
amoun

setting 
SIDE2
LEAD_EDGE 
(SIDE2)
Back surface lead 
edge image loss 
amount setting
0 - 99
20
G
FRONT_REA
R (SIDE2)
Back surface side 
image loss amount 
setting
0 - 99
20
H
TRAIL_EDG
E (SIDE2)
Back surface rear 
edge image loss 
amount setting
0 - 99
20
I
OFFSET_SPF1
DSPF front surface 
document off-
center adjustment
1 - 99
30
J
OFFSET_SPF2
DSPF back surface 
document off-
center adjustment
1 - 99
50
K
SCAN_SPEED_SPF1
DSPF document 
front surface 
magnification ratio 
adjustment (Sub 
scan)
1 - 99
50
L
SCAN_SPEED_SPF2
DSPF document 
rear surface 
magnification ratio 
adjustment (Sub 
scan)
1 - 99
50
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2.
Paper lead edge
Copy image
Image loss 
4.0    1.0mm
The paper lead edge must be aligned with 
the image lead edge.
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