Sharp MX-RP19 (serv.man2) Service Manual ▷ View online
MX-RP19 ADJUSTMENTS 4 – 4
5) Enter the SIM 48-1 mode.
* Items A, C, E: When the set value is increased by 1, the
magnification ratio is increased by 0.02%.
* Items B, D: When the set value is increased by 1, the
magnification ratio is increased by 0.1%.
* It affects scanning (PC scanning, etc.) as well as copying.
6) Select an adjustment item with the scroll key.
7) Enter an image magnification ratio adjustment value with 10-
key, and press [OK] key.
When the adjustment value is increased, the image magnifica-
tion ratio is increased. When the adjustment value is changed
by 1, the image magnification ratio is changed by 0.01%.
tion ratio is increased. When the adjustment value is changed
by 1, the image magnification ratio is changed by 0.01%.
Repeat the procedures of 1) - 7) until a satisfactory result is
obtained.
obtained.
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.
state, copy check can be normally performed. When the
system key is pressed, the machine returns to the simula-
tion mode.
4. Scan image off-center 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.
NOTE: To execute this adjustment, it is required that the Scan
image off-center adjustment (Document table mode) must
have been properly adjusted.
have been properly adjusted.
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.
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
manual paper feed tray, and check the image position on the
front surface and the back surface of the copy paper.
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.
need to perform the adjustment. If the adjustment is required,
perform the following procedures.
Ite
m
Display
Content
Set-
ting
ting
range
Default
value
A
CCD(MAIN)
SCAN main scanning
magnification ratio
adjustment (CCD)
magnification ratio
adjustment (CCD)
1 - 99
50
B
CCD(SUB)
SCAN sub scanning
magnification ratio
adjustment (CCD)
magnification ratio
adjustment (CCD)
1 - 99
50
C
SPF(MAIN)
DSPF document front
surface magnification
ratio adjustment (Main
scan)
surface magnification
ratio adjustment (Main
scan)
1 - 99
50
D
SPF(SUB)
DSPF document front
surface magnification
ratio adjustment (Sub
scan)
surface magnification
ratio adjustment (Sub
scan)
1 - 99
50
E
SPFB(MAIN)
DSPF document back
surface magnification
ratio adjustment (Main
scan)
surface magnification
ratio adjustment (Main
scan)
1 - 99
50
SPF (SUB)
Sub scanning direction image magnification
ratio (Front surface)
ratio (Front surface)
SPFB (SUB) Sub scanning direction image magnification
ratio (Back surface)
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2.
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.
original
copy
a
b
MX-RP19 ADJUSTMENTS 4 – 5
4) Enter the SIM 50-12.
SIM50-12
A - C: When the adjustment value is increased, the image posi-
tion is shifted to the rear frame side.
tion is shifted to the rear frame side.
1step = 0.1mm
* 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
5) Select an adjustment mode with the scroll key.
(SIM50-12)
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 satis-
factory result is obtained.
shifted to the rear.) Repeat the procedures of 2) - 6) until a satis-
factory result is obtained.
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.
state, copy check can be normally performed. When the
system key is pressed, the machine returns to the simula-
tion mode.
5. Copy mode image loss 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.
NOTE:
To execute this adjustment, the following items must have
been properly adjusted.
been properly adjusted.
Adjustment procedures
1) Prepare the adjustment chart.
The adjustment chart can be made by the following procedures.
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.
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.
Ite
m
Display
Content
Set-
ting
ting
range
Default
value
A
OC
Document table image
off-center adjustment
off-center adjustment
1 - 99
50
B
SPF(SIDE1)
SPF front surface image
off-center adjustment
off-center adjustment
1 - 99
50
C
SPF(SIDE2)
SPF back surface image
off-center adjustment
off-center adjustment
1 - 99
50
SPF(SIDE1)
Front surface mode
SPF(SIDE2)
Back surface mode
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2.
ADJ 3C
Print engine print area (void area) adjustment
ADJ 7C
Main scanning direction image magnification
ratio adjustment (RSPF mode)
ratio adjustment (RSPF mode)
ADJ 7D
Sub scanning direction image magnification
ratio adjustment (RSPF mode)
ratio adjustment (RSPF mode)
ADJ 8B
Scan image off-center adjustment (RSPF
mode)
mode)
ADJ
10B
10B
Document scan position adjustment (RSPF
mode scanner scan position adjustment)
mode scanner scan position adjustment)
F
L
R
FACE
BACK
R
T
F
L
T
Front surface
Back surface
Draw arrows.
Draw arrows.
Put the position
marks.
marks.
Put the position
marks.
marks.
MX-RP19 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.
timing is delayed.
*
Item C - H: When the adjustment value is increased, the image
loss is increased.
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.
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.
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.)
increased.)
(Change for change in the set value: 0.1mm/step)
2) Make a duplex copy in 100% in the RSPF mode. Check to con-
firm 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.
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 pro-
cedure.
cedure.
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 presumed
image lead edge.
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.)
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.
obtained.
Item
Display
Content
Setting
range
Default
value
A
SIDE1
Front surface
document scan
position adjust-
ment (CCD)
document scan
position adjust-
ment (CCD)
1 - 99
50
B
SIDE2
Back surface
document scan
position adjust-
ment (CIS)
document scan
position adjust-
ment (CIS)
1 - 99
50
C
Image
loss
amoun
t set-
ting
SIDE1
loss
amoun
t set-
ting
SIDE1
LEAD_EDG
E (SIDE1)
E (SIDE1)
Front surface
lead edge image
loss amount set-
ting
lead edge image
loss amount set-
ting
0 - 99
20
D
FRONT_R
EAR
(SIDE1)
EAR
(SIDE1)
Front surface
side image loss
amount setting
side image loss
amount setting
0 - 99
20
E
TRAIL_ED
GE (SIDE1)
GE (SIDE1)
Front surface
rear edge image
loss amount set-
ting
rear edge image
loss amount set-
ting
0 - 99
30
F
Image
loss
amoun
t set-
ting
SIDE2
loss
amoun
t set-
ting
SIDE2
LEAD_EDG
E (SIDE2)
E (SIDE2)
Back surface
lead edge image
loss amount set-
ting
lead edge image
loss amount set-
ting
0 - 99
20
G
FRONT_R
EAR
(SIDE2)
EAR
(SIDE2)
Back surface
side image loss
amount setting
side image loss
amount setting
0 - 99
20
H
TRAIL_ED
GE (SIDE2)
GE (SIDE2)
Back surface
rear edge image
loss amount set-
ting
rear edge image
loss amount set-
ting
0 - 99
20
I
OFFSET_SPF1
DSPF front sur-
face document
off-center adjust-
ment
face document
off-center adjust-
ment
1 - 99
30
J
OFFSET_SPF2
DSPF back sur-
face document
off-center adjust-
ment
face document
off-center adjust-
ment
1 - 99
50
K
SCAN_SPEED_SP
F1
F1
DSPF docu-
ment front sur-
face
magnification
ratio adjustment
(Sub scan)
ment front sur-
face
magnification
ratio adjustment
(Sub scan)
1 - 99
50
L
SCAN_SPEED_SP
F2
F2
DSPF docu-
ment rear sur-
face
magnification
ratio adjustment
(Sub scan)
ment rear sur-
face
magnification
ratio adjustment
(Sub scan)
1 - 99
50
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2.
Paper lead edge
Copy image
Image loss
4.0 1.0mm
4.0 1.0mm
The paper lead edge must be aligned with
the image lead edge.
the image lead edge.
MX-RP19 ADJUSTMENTS 4 – 7
(Rear edge image loss adjustment)
1) Make a duplex copy in 100% in the RSPF mode. Check to con-
firm that the rear edge image loss is 2.0 - 5.0mm on the front
surface and the back surface.
surface and the back surface.
If the above condition is not satisfied, perform the following pro-
cedure.
cedure.
2) Enter the adjustment value of TRAIL EDGE (SIDE1/SIDE2) with
10-key, and press [OK] key.
TRAIL EDGE (SIDE 1):
Rear edge image loss adjustment value (Front surface)
TRAIL EDGE (SIDE 2):
Rear edge image loss adjustment value (Back surface)
(When the adjustment value is increased, the rear edge image
loss is increased.)
loss is increased.)
(Change for change in the set value: 0.1mm/step)
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
(Front/rear frame direction image loss adjustment)
obtained.
(Front/rear frame direction image loss adjustment)
1) Make a duplex copy in 100% in the RSPF mode. Check to con-
firm that the image losses on the front frame side and the rear
frame side are 2.0 +/- 2.0mm on the front surface and the back
surface.
frame side are 2.0 +/- 2.0mm on the front surface and the back
surface.
If the above condition is not satisfied, perform the following pro-
cedure.
cedure.
2) Enter the adjustment value of FRONT/REAR (SIDE 1) /
FRONT/REAR (SIDE 2), and press [OK] key.
FRONT/REAR (SIDE 1):
Front/Rear image loss adjustment value (Front surface)
Front/Rear image loss adjustment value (Front surface)
FRONT/REAR (SIDE 2):
Front/Rear image loss adjustment value (Back surface)
Front/Rear image loss adjustment value (Back surface)
(When the adjustment value is increased, the front/rear image
loss is increased.)
loss is increased.)
(Change for change in the adjustment value: 0.1mm/step)
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
obtained.
Paper rear edge
Copy image
Image loss 2.0 - 5.0mm
Paper F
side edge
side edge
Paper R
side edge
side edge
Copy image
Copy image
Image loss
2.0 2.0mm
2.0 2.0mm
Image loss
2.0 2.0mm
2.0 2.0mm
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