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 – 31
Monochrome copy check items (Check to confirm the following:)
1) There are 12 void areas.
2) The resolution of 4.0 (5 points) can be seen.
3) The density difference between the F and the R sides is not so
1) There are 12 void areas.
2) The resolution of 4.0 (5 points) can be seen.
3) The density difference between the F and the R sides is not so
great.
4)
There are no white and black streaks.
5)
The background solid is not so light.
6)
The black low-density gradation is copied slightly.
Solid density
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 32
(Method 2)
Use SIM46-21 to print the color balance adjustment sheet, and
check each process (CMY) black patch color balance and the black
patch in order to confirm that the color balance adjustment is
proper or not more precisely.
Use SIM46-21 to print the color balance adjustment sheet, and
check each process (CMY) black patch color balance and the black
patch in order to confirm that the color balance adjustment is
proper or not more precisely.
If the color balance of each patch of the process black (CMY) is
slightly shifted to Magenta, it means that the adjustment is proper. If
the color balance of the adjustment pattern printed in this mode is
slightly shifted to Magenta, it is converted into the natural gray color
balance by the color table in an actual copy mode.
(When the color balance target is DEF 1.)
slightly shifted to Magenta, it means that the adjustment is proper. If
the color balance of the adjustment pattern printed in this mode is
slightly shifted to Magenta, it is converted into the natural gray color
balance by the color table in an actual copy mode.
(When the color balance target is DEF 1.)
(4) Printer color balance/density check
Before checking the copy color balance and the density, be sure to
execute the following procedures in advance.
• Execute the high density image correction (Process correction)
Before checking the copy color balance and the density, be sure to
execute the following procedures in advance.
• Execute the high density image correction (Process correction)
forcibly. (SIM 44-6)
• The half-tone image correction is forcibly executed. (SIM 44-26)
(Method 1)
Execute SIM 64-5 to print the print test pattern.
Set each set value to the default and press [EXECUTE] key. The
print test pattern is printed.
Execute SIM 64-5 to print the print test pattern.
Set each set value to the default and press [EXECUTE] key. The
print test pattern is printed.
The print density must be changed gradually from the lighter level
to the darker level. The density changing direction must not be
reversed. The density level of each color must be almost at the
same level.
to the darker level. The density changing direction must not be
reversed. The density level of each color must be almost at the
same level.
(Method 2)
Use SIM 67-25 to print the color balance adjustment sheet and
compare each process (CMY) black patch color balance and the
black patch to check the color balance.
Use SIM 67-25 to print the color balance adjustment sheet and
compare each process (CMY) black patch color balance and the
black patch to check the color balance.
The print density must be changed gradually from the lighter level
to the darker level. The density changing direction must not be
reversed.
The density level of each color must be almost at the same level.
Patch B may not be copied.
Patch A must not be copied.
If the color balance of each patch of the process black (CMY mixed
color) is slightly shifted to Magenta, it means that the adjustment is
proper. In an actual print mode, it is converted into the natural gray
color balance by the color table. (When the color balance target is
DEF 1.)
to the darker level. The density changing direction must not be
reversed.
The density level of each color must be almost at the same level.
Patch B may not be copied.
Patch A must not be copied.
If the color balance of each patch of the process black (CMY mixed
color) is slightly shifted to Magenta, it means that the adjustment is
proper. In an actual print mode, it is converted into the natural gray
color balance by the color table. (When the color balance target is
DEF 1.)
14-A
Scanner calibration (CCD calibration)
14-A
(1)
Scanner calibration (CCD calibration)
(Document Glass Mode)
Scanner calibration (CCD calibration)
(Document Glass Mode)
This adjustment must be performed in the following cases:
• When the CCD unit is replaced.
• When a U2 trouble is occurred.
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the CCD unit is replaced.
• When a U2 trouble is occurred.
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
(1) Note before adjustment
• Check that the table glass, No. 1, 2, 3 mirrors, and the lens sur-
• Check that the table glass, No. 1, 2, 3 mirrors, and the lens sur-
face are free from dirt and dust.
(If there is some dust and dirt, wipe and clean with alcohol.)
(If there is some dust and dirt, wipe and clean with alcohol.)
• Check to confirm that the patches in BK1 and BK2 arrays of the
scanner adjustment chart (UKOG-0356FCZZ) is free from dirt
and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
Since the scanner adjustment chart (UKOG-0356FCZZ)
is easily discolored by sunlight (especially ultraviolet rays) and
humidity and temperature, put it in a bag.
humidity and temperature, put it in a bag.
Adjustment procedures
Q
O P
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Y
M
C
Bk
High
density
density
1) The max. density section is not blurred.
2) Patch C or D of each of Y, M, C, and BK is very slightly copied.
Low
density
density
CMY
blend
blend
3) Patch for each of Y, M, C, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
PRINTER CALIBRATION
Q
O P
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Y
M
C
Bk
1) The max. density section is not blurred.
2) Patch C or D of each of Y, M, C and BK is copied.
Low density
CMY
blend
blend
3) Patch for each of Y, M, C, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
High density
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 33
1) Set the scanner adjustment chart (UKOG-0356FCZZ) to the
reference position on the left rear frame side of the document
table.
Set the chart in order that the arrow mark is placed on the left
side.
table.
Set the chart in order that the arrow mark is placed on the left
side.
If the scanner adjustment chart is not available, execute SIM
63-5 to set the CCD gamma to the default. In this case, how-
ever, the adjustment accuracy is lower when compared with
the adjustment method using the scanner adjustment chart.
63-5 to set the CCD gamma to the default. In this case, how-
ever, the adjustment accuracy is lower when compared with
the adjustment method using the scanner adjustment chart.
2) Enter the SIM 63-3 mode and press [EXECUTE] key.
The automatic operation is started. During the adjustment,
[EXECUTE] is highlighted. After completion of the adjustment,
[EXECUTE] returns to the normal display.
[EXECUTE] is highlighted. After completion of the adjustment,
[EXECUTE] returns to the normal display.
14-A
(2)
Shading adjustment (calibration)
(DSPF Mode)
Shading adjustment (calibration)
(DSPF Mode)
This adjustment must be performed in the following cases:
• When the DSPF CCD unit is replaced.
• When a U2 trouble is occurred.
• When DSPF control PWB is replaced.
• When the DSPF CCD unit is replaced.
• When a U2 trouble is occurred.
• When DSPF control PWB is replaced.
(1) Note before adjustment
1) Check that DSPF scanner glass, mirrors, and the lens surface
1) Check that DSPF scanner glass, mirrors, and the lens surface
are free from dirt and dust.
(If there is some dust and dirt, wipe and clean with alcohol.)
(If there is some dust and dirt, wipe and clean with alcohol.)
2)
Open DSPF original scanning section. Insert the shading
adjustment sheet (UKOG-0333FCZZ), and then close DSPF
original scanning section.
adjustment sheet (UKOG-0333FCZZ), and then close DSPF
original scanning section.
Insert the shading adjustment sheet along the rear edge
frame, and set it in order that the rear edge of the shading
adjustment sheet is placed to the base of the actuator.
frame, and set it in order that the rear edge of the shading
adjustment sheet is placed to the base of the actuator.
3)
Enter the SIM 63-2 mode.
4)
Press [DSPF SHADING] [EXECUTE] key.
Shading adjustment starts.
Shading adjustment starts.
14-A
(3)
Scanner calibration (CCD calibration)
(DSPF Mode)
Scanner calibration (CCD calibration)
(DSPF Mode)
This adjustment must be performed in the following cases:
• When the DSPF CCD unit is replaced.
• When a U2 trouble is occurred.
• When DSPF control PWB is replaced.
• When the DSPF CCD unit is replaced.
• When a U2 trouble is occurred.
• When DSPF control PWB is replaced.
(1) Note before adjustment
1)
1)
Check that DSPF scanner glass, mirrors, and the lens surface
are free from dirt and dust.
(If there is some dust and dirt, wipe and clean with alcohol.)
are free from dirt and dust.
(If there is some dust and dirt, wipe and clean with alcohol.)
2)
Check to confirm that the patches in BK1 and BK2 arrays of
the scanner adjustment chart (UKOG-0356FCZZ) is free from
dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
the scanner adjustment chart (UKOG-0356FCZZ) is free from
dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
MX-4070V ADJUSTMENTS AND SETTINGS 5 – 34
Since the scanner adjustment chart (UKOG-0356FCZZ)
is easily discolored by sunlight (especially ultraviolet rays) and
humidity and temperature, put it in a bag.
humidity and temperature, put it in a bag.
(2) Adjustment procedures
1)
1)
Set the scanner adjustment chart (UKOG-0356FCZZ) to the
paper feed tray of DSPF face down.
paper feed tray of DSPF face down.
If the scanner adjustment chart is not available, execute SIM
63-5 to set the CCD gamma to the default. In this case, how-
ever, the adjustment accuracy is lower when compared with
the adjustment method using the scanner adjustment chart.
63-5 to set the CCD gamma to the default. In this case, how-
ever, the adjustment accuracy is lower when compared with
the adjustment method using the scanner adjustment chart.
2)
Enter the SIM 63-3 mode and press [EXECUTE] key.
The automatic operation is started. During the adjustment,
[EXECUTE] is highlighted. After completion of the adjustment,
[EXECUTE] returns to the normal display.
The automatic operation is started. During the adjustment,
[EXECUTE] is highlighted. After completion of the adjustment,
[EXECUTE] returns to the normal display.
SET 1 Color balance adjustment target setup
a. General
When the automatic color balance adjustment is executed, a cer-
tain color balance (gamma) is used as the target.
There are following three kinds of the target.
• Factory color balance (gamma) target
• Service color balance (gamma) target
• User color balance (gamma) target
In the above three, only the service color balance target can be set
to a desired level.
When the automatic color balance adjustment is executed, a cer-
tain color balance (gamma) is used as the target.
There are following three kinds of the target.
• Factory color balance (gamma) target
• Service color balance (gamma) target
• User color balance (gamma) target
In the above three, only the service color balance target can be set
to a desired level.
This setting is required in the following cases.
• When the color balance and density adjustments are executed
• When the color balance and density adjustments are executed
manually (SIM46-21) (SIM67-25)
• U2 trouble has occurred.
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the user requests for customizing the color balance.
• When the service color balance target gamma is judged as
• When the SCN-MFP control PWB is replaced.
• When the EEPROM on the SCN-MFP control PWB is replaced.
• When the user requests for customizing the color balance.
• When the service color balance target gamma is judged as
improper.
SET 1A Copy color balance adjustment target setup
• Each color balance target for the copy color balance adjustment
• Each color balance target for the copy color balance adjustment
• Relationship between the factory target and the service target and the color balance target for the user color balance adjustment in the copy
color balance adjustment (Automatic adjustment) (SIM 46-74/46-24)
Type
Descriptions
A
Factory color balance
(gamma) target
(gamma) target
There are three kinds of the color balance target, and each of them is specified according to the machine design. Use SIM
63-11 to select one of them as the factory target. The default setting (factory setting) is the color balance (DEF1) which
emphasizes color reproduction.
63-11 to select one of them as the factory target. The default setting (factory setting) is the color balance (DEF1) which
emphasizes color reproduction.
B
Service color balance
(gamma) target
(gamma) target
This target is used when the user requests to customize the color balance to user's desired level. In advance, the user's
unique color balance must be registered as the service color balance target. The above registration (setting) is made by
the serviceman with SIM 46-21 to adjust the color balance and with SIM 63-7 to register it.
This color balance target is used when the user executes the color balance adjustment. When, therefore, the service color
balance target is changed, the color balance target of the user's color balance adjustment is also changed. When,
however, SIM 63-8 is executed, the color balance is set to the factory color balance target set with SIM 63-11. The default
setting (factory setting) of the color balance is same as the factory color balance target. (Emphasized on color
reproduction (DEF1))
If the user does not request for customizing the color balance, be sure to use SIM 63-8 to set the color balance to the
factory color balance target.
unique color balance must be registered as the service color balance target. The above registration (setting) is made by
the serviceman with SIM 46-21 to adjust the color balance and with SIM 63-7 to register it.
This color balance target is used when the user executes the color balance adjustment. When, therefore, the service color
balance target is changed, the color balance target of the user's color balance adjustment is also changed. When,
however, SIM 63-8 is executed, the color balance is set to the factory color balance target set with SIM 63-11. The default
setting (factory setting) of the color balance is same as the factory color balance target. (Emphasized on color
reproduction (DEF1))
If the user does not request for customizing the color balance, be sure to use SIM 63-8 to set the color balance to the
factory color balance target.
C
User color balance (gamma)
target
target
Same color balance as the service color balance (gamma) target When the service color balance target is changed, this
color balance target is also changed accordingly.
color balance target is also changed accordingly.
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