Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man6) Service Manual ▷ View online
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 23
When the set value is increased, the main scanning print posi-
tion is shifted to the front side by 0.1mm.
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
satisfied.
satisfied.
10-B
Scan image off-center adjustment (Manual
adjustment) (DSPF/RSPF mode)
adjustment) (DSPF/RSPF mode)
This adjustment must be performed in the following cases:
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When a U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When a U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
NOTE: To execute this adjustment, it is required that the ADJ10-A
Scan image off-center adjustment (Document table mode)
must have been properly adjusted.
must 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 DSPF/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.
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.
4) Enter the SIM 50-12 or 50-6 mode.
5) Select an adjustment mode with the scroll key.
5) Select an adjustment mode with the scroll key.
(SIM50-12)
(SIM50-6)
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.
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.
ADJ 11
Copy image position and image
loss adjustment (Manual
adjustment)
loss adjustment (Manual
adjustment)
11-A
Copy image position, image loss, and void
area adjustment (Manual adjustment)
(Document table mode)
area adjustment (Manual adjustment)
(Document table mode)
This adjustment must be performed in the following cases:
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When the LSU is replaced or removed.
• When the registration roller section is disassembled.
• U2 trouble has occurred.
• The PCU PWB has been replaced.
• The EEPROM of the PCU PWB has been replaced.
• The SCN-MFP control PWB has been replaced.
• The EEPROM on the SCN-MFP control PWB has been replaced.
Before executing this adjustment, be sure to confirm that the ADJ
4/ADJ 5 Print engine image skew, image position, image magnifica-
tion ratio adjustments have been completed normally.
1)
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When the LSU is replaced or removed.
• When the registration roller section is disassembled.
• U2 trouble has occurred.
• The PCU PWB has been replaced.
• The EEPROM of the PCU PWB has been replaced.
• The SCN-MFP control PWB has been replaced.
• The EEPROM on the SCN-MFP control PWB has been replaced.
Before executing this adjustment, be sure to confirm that the ADJ
4/ADJ 5 Print engine image skew, image position, image magnifica-
tion ratio adjustments have been completed normally.
1)
Place a scale on the document table as shown in the figure
below.
Place a scale on the document table as shown in the figure
below.
Place a scale so that it is in parallel with the scanning direction
and that its lead edge is in contact with the document guide
plate.
Place white paper on the document table so that the scale lead
edge can be seen.
below.
Place a scale on the document table as shown in the figure
below.
Place a scale so that it is in parallel with the scanning direction
and that its lead edge is in contact with the document guide
plate.
Place white paper on the document table so that the scale lead
edge can be seen.
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.
original
copy
a
b
SPF(SIDE1)
Front surface mode
SPF(SIDE2)
Back surface mode
OFFSET SPF1
Front surface mode
OFFSET SPF2
Back surface mode
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 24
2) Enter the SIM 50-1 mode.
3) Set RRCA, LEAD, and SIDE to the default values.
3) Set RRCA, LEAD, and SIDE to the default values.
4) Perform the image lead edge reference position adjustment.
Shift to the copy mode, and make a copy at 100% in the docu-
ment table mode.
When the adjustment value of RRCA is proper, the lead edge
image from 4.0 mm is not copied in 100% copy scale.
If not, change and adjust the RRCA value.
Repeat the above procedures until a satisfactory result is
obtained.
ment table mode.
When the adjustment value of RRCA is proper, the lead edge
image from 4.0 mm is not copied in 100% copy scale.
If not, change and adjust the RRCA value.
Repeat the above procedures until a satisfactory result is
obtained.
5) Image loss adjustment
When the adjustment item of the image loss below is set to the
default value, it is adjusted to the standard state. If it is not in
the below standard state, or when it is set to a desired value,
change these adjustment items.
default value, it is adjusted to the standard state. If it is not in
the below standard state, or when it is set to a desired value,
change these adjustment items.
Void area: 4.0 mm, Image loss: 4.0 mm
When the adjustment value is increased, the image loss is
increased. When the adjustment value is decreased, the
image loss is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
increased. When the adjustment value is decreased, the
image loss is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
11-B
Image scanning position adjustment
(Manual adjustment) (DSPF/RSPF mode)
(Manual adjustment) (DSPF/RSPF mode)
This adjustment must be performed in the following cases:
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) section is replaced.
• When U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
This simulation is to adjust the scanning position when scanning in
the DSPF/RSPF mode.
If this adjustment is made improperly, the scanner stop position is
shifted from the specified position and a shade of the document
table may be reflected on the lead edge section of the scan image
in the DSPF/RSPF mode.
1)
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) section is replaced.
• When U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
This simulation is to adjust the scanning position when scanning in
the DSPF/RSPF mode.
If this adjustment is made improperly, the scanner stop position is
shifted from the specified position and a shade of the document
table may be reflected on the lead edge section of the scan image
in the DSPF/RSPF mode.
1)
Make a copy in the DSPF/RSPF mode, and check for any
shade on the lead edge section of the copy image.
shade on the lead edge section of the copy image.
If there is any shade of the document table on the lead edge
section of the copy image, perform the following procedures.
section of the copy image, perform the following procedures.
2)
Enter the SIM 53-8 mode, and press [MANUAL] key.
3)
Enter an adjustment value with 10-key, and press [OK] key.
When the set value is increased, the distance from the home
position to the DSPF/RSPF scanning position is increased.
When the set value is changed by 1, the scanning position is
changed by 0.1mm.
Perform the procedures of 1) - 3) until a satisfactory result is
obtained.
When the set value is increased, the distance from the home
position to the DSPF/RSPF scanning position is increased.
When the set value is changed by 1, the scanning position is
changed by 0.1mm.
Perform the procedures of 1) - 3) until a satisfactory result is
obtained.
NOTE: After execution of this adjustment, be sure to execute ADJ
11C Copy image position, image loss, void area adjustment
(Manual adjustment) (DSPF/RSPF mode).
(Manual adjustment) (DSPF/RSPF mode).
11-C
Copy image position, image loss, void area
adjustment (Manual adjustment) (DSPF/
RSPF mode)
adjustment (Manual adjustment) (DSPF/
RSPF mode)
This adjustment must be performed in the following cases:
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the scanner (reading) section is disassembled.
• When the scanner (reading) unit is replaced.
• When U2 trouble occurs.
• When the DSPF/RSPF section is disassembled.
• When the DSPF/RSPF unit is replaced.
Item/
Display
Content
Setting
range
Default
value
A
RRCA
Document lead edge reference
position (OC)
position (OC)
0 - 99
50
G
LEAD
Lead edge image loss area setting
0 - 99
40
H
SIDE
Side image loss area adjustment
0 - 99
20
Item/
Display
Content
Adjust
ment
range
Default
value
Standard
adjustment
value
LEAD
Image loss
adjustment
adjustment
Lead edge
image loss
adjustment
image loss
adjustment
0 - 99
40
4±1.0mm
SIDE
Side image
loss
adjustment
loss
adjustment
0 - 99
20
4±2.0mm
100%
5mm 10mm
Scale image 4.0mm position
Paper lead
edge
5mm
10mm
4
3
2
1
Paper lead edge
Copy area
Image area
Papar lead edge
Shadow image of RSPF
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 25
1) 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.
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.
DSPF
RSPF
*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.
timing is delayed.
*Item C – H: When the adjustment value is increased, the
image loss is increased.
Lead edge image loss adjustment
1)
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.
When the set value is increased, the lead edge image loss is
increased.
(Standard set value)
LEAD EDGE(SIDE 1): 20 Lead edge image loss set value
(Front surface)
LEAD EDGE(SIDE 2): 20 Lead edge image loss set value
(Back surface)
(SIDE1/SIDE2) on the front surface and the back surface to
the following values.
When the set value is increased, the lead edge image loss is
increased.
(Standard set value)
LEAD EDGE(SIDE 1): 20 Lead edge image loss set value
(Front surface)
LEAD EDGE(SIDE 2): 20 Lead edge image loss set value
(Back surface)
2)
Make a duplex copy in 100% in the DSPF/RSPF mode. Check
to confirm that the lead edge image loss is within 4.0 ± 1.0 mm
on the front surface and the back surface. The paper lead
edge must be aligned with the presumed image lead edge.
to confirm that the lead edge image loss is within 4.0 ± 1.0 mm
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.
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.
Perform the procedures of 2) - 3) until a satisfactory result is
obtained.
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.
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)
position adjustment (CCD)
1 - 99
50
B
SIDE2
Back surface document scan
position adjustment (CCD)
position adjustment (CCD)
1 - 99
50
C
LEAD_EDGE
(SIDE1)
(SIDE1)
Front surface lead edge
image loss amount setting
image loss amount setting
0 - 99
20
D
FRONT_REAR
(SIDE1)
(SIDE1)
Front surface side image loss
amount setting
amount setting
0 - 99
20
E
TRAIL_EDGE
(SIDE1)
(SIDE1)
Front surface rear edge
image loss amount setting
image loss amount setting
0 - 99
40
F
LEAD_EDGE
(SIDE2)
(SIDE2)
Back surface lead edge
image loss amount setting
image loss amount setting
0 - 99
40
G
FRONT_REAR
(SIDE2)
(SIDE2)
Back surface side image loss
amount setting
amount setting
0 - 99
20
H
TRAIL_EDGE
(SIDE2)
(SIDE2)
Back surface rear edge image
loss amount setting
loss amount setting
0 - 99
20
Item/Display
Content
Setting
range
Default
value
A
SIDE1
Front surface document scan
position adjustment (CCD)
position adjustment (CCD)
1 - 99
50
B
SIDE2
Back surface document scan
position adjustment (CCD)
position adjustment (CCD)
1 - 99
50
C
LEAD_EDGE
(SIDE1)
(SIDE1)
Front surface lead edge
image loss amount setting
image loss amount setting
0 - 99
20
D
FRONT_REAR
(SIDE1)
(SIDE1)
Front surface side image loss
amount setting
amount setting
0 - 99
20
E
TRAIL_EDGE
(SIDE1)
(SIDE1)
Front surface rear edge
image loss amount setting
image loss amount setting
0 - 99
40
F
LEAD_EDGE
(SIDE2)
(SIDE2)
Back surface lead edge
image loss amount setting
image loss amount setting
0 - 99
20
(#%'
$#%-
F
L
R
T
F
L
4
6
Front surface
Put
the position
marks.
Draw arrows.
Back surface
Put
the position
marks.
Draw arrows.
G
FRONT_REAR
(SIDE2)
(SIDE2)
Back surface side image loss
amount setting
amount setting
0 - 99
20
H
TRAIL_EDGE
(SIDE2)
(SIDE2)
Back surface rear edge image
loss amount setting
loss amount setting
0 - 99
40
Item/Display
Content
Setting
range
Default
value
Paper lead edge
Copy image
Image loss
4.0±1.0 mm
The paper lead edge must be
aligned with the image lead edge.
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 26
Rear edge image loss adjustment
1) Make a duplex copy in 100% in the DSPF/RSPF mode. Check
1) Make a duplex copy in 100% in the DSPF/RSPF mode. Check
to confirm that the rear edge image loss is 2.0 - 5.0mm on the
front surface and the back surface.
front surface and the back surface.
If the above condition is not satisfied, perform the following
procedure.
procedure.
2) Enter the adjustment value of TRAIL EDGE (SIDE1/SIDE2)
with 10-key, and press [OK] key.
TRAIL EDGE(SIDE1): Rear edge image loss adjustment value
(Front surface)
TRAIL EDGE(SIDE2): Rear edge image loss adjustment value
(Back surface)
When the adjustment value is increased, the rear edge image
loss is increased.
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
TRAIL EDGE(SIDE1): Rear edge image loss adjustment value
(Front surface)
TRAIL EDGE(SIDE2): Rear edge image loss adjustment value
(Back surface)
When the adjustment value is increased, the rear edge image
loss is increased.
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
Front/rear frame direction image loss adjustment
1) Make a duplex copy in 100% in the DSPF/RSPF mode. Check
1) Make a duplex copy in 100% in the DSPF/RSPF mode. Check
to confirm 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.
the rear 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
procedure.
procedure.
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(SIDE 2): Front/Rear image loss adjustment
value (Back surface)
When the adjustment value is increased, the front/rear image
loss is increased.
FRONT/REAR(SIDE 1): Front/Rear image loss adjustment
value (Front surface)
FRONT/REAR(SIDE 2): Front/Rear image loss adjustment
value (Back surface)
When the adjustment value is increased, the front/rear image
loss is increased.
Perform the procedures of 1) - 2) until a satisfactory result is
obtained.
obtained.
ADJ 12
Print lead edge image position
adjustment (PRINTER MODE)
adjustment (PRINTER MODE)
This adjustment must be performed in the following cases:
• When the registration roller section is disassembled.
• When the LSU unit is replaced or removed.
• U2 trouble has occurred.
• The PCU PWB has been replaced.
• The EEPROM of the PCU PWB has been replaced.
• When the registration roller section is disassembled.
• When the LSU unit is replaced or removed.
• U2 trouble has occurred.
• The PCU PWB has been replaced.
• The EEPROM of the PCU PWB has been replaced.
This adjustment should be performed if the user wishes
to increase the lead edge void area for printer mode greater than
the standard value (3 mm).
1)
the standard value (3 mm).
1)
Enter the SIM 50-5 mode.
2)
Select the set item M with the scroll key, and enter the value
corresponding to the paper feed tray with A4 (11" x 8.5") paper
in it.
corresponding to the paper feed tray with A4 (11" x 8.5") paper
in it.
3)
Press [EXECUTE] key.
The check pattern is printed.
The check pattern is printed.
Paper rear edge
Copy image
Image loss 2.0 - 5.0 mm
Image loss
2.0 ± 2.0 mm
Paper F
side edge
Copy image
Copy image
Paper R
side edge
Image loss
2.0 ± 2.0 mm
Display/Item
Content
Setting
range
Default
A
DEN-C
Printer lead edge image
position adjustment
position adjustment
1 - 99
30
B
DEN-B
Rear edge void area
adjustment
adjustment
1 - 99
30
C
FRONT/
REAR
REAR
FRONT/REAR void area
adjustment
adjustment
1 - 99
20
D
DENB-MFT
Manual feed rear edge void
area adjustment correction
value
area adjustment correction
value
1 - 99
50
E
DENB-CS1
Tray 1 rear edge void area
adjustment correction value
adjustment correction value
1 - 99
50
F
DENB-CS2
Tray 2 rear edge void area
adjustment correction value
adjustment correction value
1 - 99
50
G
DENB-CS3
Tray 3 rear edge void area
adjustment correction value
adjustment correction value
1 - 99
50
H
DENB-CS4
Tray 4 rear edge void area
adjustment correction value
adjustment correction value
1 - 99
50
I
DENB-LCC
LCC rear edge void area
adjustment correction value
adjustment correction value
1 - 99
50
J
DENB-ADU
ADU rear edge void area
adjustment correction value
adjustment correction value
1 - 99
55
K
DENB-HV
Heavy paper correction value
1 - 99
50
L
MULTI
COUNT
COUNT
Number of print
1 - 999
1
M
PAP
ER
ER
MFT
Tray
selection
selection
Manual paper feed
1 - 6
1
2
CS1
Tray 1
2
CS2
Tray 2
3
CS3
Tray 3
4
CS4
Tray 4
5
LCC
LCC
6
N
DUP
LEX
LEX
YES
Duplex
print
selection
selection
Yes
0 - 1
0
1
NO
No
1
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