Sharp MX-6500N / MX-7500N (serv.man19) Service Manual ▷ View online
MX-7500N ADJUSTMENTS AND SETTINGS 5 – 33
It is recommended to keep the printed adjustment pattern created
with SIM 46-21. This adjustment pattern can be used to register the
same color balance target to another machine.
It is also useful to register the service color balance target data.
Do not fold it and keep it under the circumstances which protect it
from discoloration and dirt.
The service color balance target data is registered immediately
after the color balance adjustment (Manual) with SIM 46-21.
If a considerable time has passed after completion of the color bal-
ance adjustment (Manual) with SIM 46-21, the color balance of the
adjustment pattern at the time of adjustment differs from the color
balance of the adjustment pattern printed after a considerable time.
Never use such a pattern for the adjustment.
The accuracy of the service color balance target data can be
judges as follows.
When result of the color valance adjustment (Auto) with selecting
the service color balance target in SIM 46-74/46-24 is unsatisfac-
tory or abnormal.
In that case, the registered service target data for the color balance
adjustment (Auto) may be improper.
This may be caused when an improper or abnormal color balance
adjustment pattern was used to register the service color balance
target data for the color balance adjustment with SIM 63-7.
The color balance adjustment pattern used in registration was
made and printed by the color balance adjustment (Manual) with
SIM 46-21. This procedure may have been executed erroneously
with SIM 46-21. This adjustment pattern can be used to register the
same color balance target to another machine.
It is also useful to register the service color balance target data.
Do not fold it and keep it under the circumstances which protect it
from discoloration and dirt.
The service color balance target data is registered immediately
after the color balance adjustment (Manual) with SIM 46-21.
If a considerable time has passed after completion of the color bal-
ance adjustment (Manual) with SIM 46-21, the color balance of the
adjustment pattern at the time of adjustment differs from the color
balance of the adjustment pattern printed after a considerable time.
Never use such a pattern for the adjustment.
The accuracy of the service color balance target data can be
judges as follows.
When result of the color valance adjustment (Auto) with selecting
the service color balance target in SIM 46-74/46-24 is unsatisfac-
tory or abnormal.
In that case, the registered service target data for the color balance
adjustment (Auto) may be improper.
This may be caused when an improper or abnormal color balance
adjustment pattern was used to register the service color balance
target data for the color balance adjustment with SIM 63-7.
The color balance adjustment pattern used in registration was
made and printed by the color balance adjustment (Manual) with
SIM 46-21. This procedure may have been executed erroneously
a. Setting procedure
(Setting procedure of an optional color balance (gamma) as
the service color balance target)
1) Use SIM 46-21 (Copy color balance adjustment (manual
the service color balance target)
1) Use SIM 46-21 (Copy color balance adjustment (manual
adjustment) mode) to print two sheets of the color patch image
(adjustment pattern).
(adjustment pattern).
CAUTION: In this case, be sure to use A4 or 11" x 8.5" paper for
printing the adjustment pattern by SIM 46-21.
If the color balance is shifted from the standard, an adjustment
is required. If not, an adjustment is not required. When an
optional color balance is requested by the user, make an
adjustment.
is required. If not, an adjustment is not required. When an
optional color balance is requested by the user, make an
adjustment.
2) Enter the SIM 63-7 mode.
3)
Press [SETUP] key.
4)
Set the color patch image (adjustment pattern) correctly
adjusted and printed in the copy color balance adjustment
(Manual adjustment) (SIM 46-21) (ADJ9C (2)) on the docu-
ment table.
The color patch image (adjustment pattern) printed with SIM
64-7 can be used instead. In this case, however, check that the
printed pattern is normal.
(When the color patch image (adjustment pattern) is printed by
SIM 64-7, set the item B (PROC ADJ) to "0 (YES)" and press
[EXECUTE] key to print.)
A color patch image (adjustment pattern) printed by another
machine can be used.
Set the pattern so that the light density side is on the left side.
Place 5 sheets of white paper on the color patch image
(adjustment pattern).
If the color balance could not be adjusted satisfactorily with
SIM 46-21 (Color balance adjustment (Manual)), do not exe-
cute SIM 63-7 to register the service color balance target data.
adjusted and printed in the copy color balance adjustment
(Manual adjustment) (SIM 46-21) (ADJ9C (2)) on the docu-
ment table.
The color patch image (adjustment pattern) printed with SIM
64-7 can be used instead. In this case, however, check that the
printed pattern is normal.
(When the color patch image (adjustment pattern) is printed by
SIM 64-7, set the item B (PROC ADJ) to "0 (YES)" and press
[EXECUTE] key to print.)
A color patch image (adjustment pattern) printed by another
machine can be used.
Set the pattern so that the light density side is on the left side.
Place 5 sheets of white paper on the color patch image
(adjustment pattern).
If the color balance could not be adjusted satisfactorily with
SIM 46-21 (Color balance adjustment (Manual)), do not exe-
cute SIM 63-7 to register the service color balance target data.
5)
Press [EXECUTE] key.
The color patch image (adjustment pattern) is read.
6)
Press [REPEAT] key, set the second color patch image
(adjustment pattern), and execute the procedure 5) again.
(adjustment pattern), and execute the procedure 5) again.
The color balance (gamma) target set level of each color
(KCMY) can be checked with K/C/M/Y keys.
Check that the set level is increased in the sequence of B - Q
(MAX). If there is no variation or variation is reversed, it is
judged as abnormal.
In case of an abnormality, repair the problem and try again.
(KCMY) can be checked with K/C/M/Y keys.
Check that the set level is increased in the sequence of B - Q
(MAX). If there is no variation or variation is reversed, it is
judged as abnormal.
In case of an abnormality, repair the problem and try again.
7)
Press [OK] key.
The color balance (gamma) of the color patch image (adjust-
ment pattern) used in the procedure 5) is set as the service tar-
get.
The color balance (gamma) of the color patch image (adjust-
ment pattern) used in the procedure 5) is set as the service tar-
get.
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MX-7500N ADJUSTMENTS AND SETTINGS 5 – 34
(Procedures to set the service color balance target and the
color balance target for the user color balance adjustment to
the same color balance as the factory color balance target)
color balance target for the user color balance adjustment to
the same color balance as the factory color balance target)
CAUTION: This procedure must not be executed when the copy
color balance was adjusted with SIM 46-21 to a unique
color balance requested by the user and it was regis-
tered as the service color balance target with SIM 63-7.
When the factory color balance target is changed with
SIM 63-11, be sure to execute this procedure.
color balance requested by the user and it was regis-
tered as the service color balance target with SIM 63-7.
When the factory color balance target is changed with
SIM 63-11, be sure to execute this procedure.
1)
Enter the SIM 63-8 mode.
2)
Press [EXECUTE] key.
3)
Press [YES] key.
The service color balance target and the color balance target for
the user color balance adjustment are set to the same color bal-
ance as the factory color balance target.
the user color balance adjustment are set to the same color bal-
ance as the factory color balance target.
SET 1B Printer color balance adjustment target setup
Color balance target for the printer 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 printer color balance adjustment (Automatic adjustment) (SIM 46-74/76-24)
the printer color balance adjustment (Automatic adjustment) (SIM 46-74/76-24)
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Type
Descriptions
A
Factory color
balance (gamma)
target
balance (gamma)
target
There are three kinds of the color balance targets, and each of them is specified according to the machine design. Use SIM 67-26 to
select one of them as the factory target. The default setting (factory setting) is the color balance (DEF1) which emphasizes color
reproduction.
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
balance (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
67-25 to adjust the color balance and with SIM 67-27 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 67-28 is
executed, the color balance is set to the factory color balance target set with SIM 67-26. 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 67-28 to set the color balance to the factory color
balance target.
balance must be registered as the service color balance target. The above registration (setting) is made by the serviceman with SIM
67-25 to adjust the color balance and with SIM 67-27 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 67-28 is
executed, the color balance is set to the factory color balance target set with SIM 67-26. 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 67-28 to set the color balance to the factory color
balance target.
C
User color balance
(gamma) target
(gamma) 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.
target is also changed accordingly.
Use SIM 67-26 to select one of the three
kinds of color balance targets.
kinds of color balance targets.
Factory color balance
target (DEF1)
target (DEF1)
Factory color balance
target (DEF2)
target (DEF2)
Factory color balance
target (DEF3)
target (DEF3)
Color balance target in the printer color balance
automatic adjustment (SIM 67-24)
automatic adjustment (SIM 67-24)
Factory color balance
target (one of DEF1 - 3)
target (one of DEF1 - 3)
Execute SIM 67-28.
(The service color balance target is
the same as the factory color balance
target.)
(The service color balance target is
the same as the factory color balance
target.)
Factory setting
Factory color balance
target (DEF1)
target (DEF1)
=
=
Color balance target in the user color balance adjustment
Color balance target for
the user color balance
adjustment
the user color balance
adjustment
Service color balance
target
target
Service color balance
target
target
Service color balance
target
target
Service color balance
target (Unique)
target (Unique)
=
Factory color balance
target (one of DEF1 - 3)
target (one of DEF1 - 3)
Use SIM 67-25 to adjust the optional color
balance, and use SIM 67-27 to register it.
balance, and use SIM 67-27 to register it.
MX-7500N ADJUSTMENTS AND SETTINGS 5 – 35
Factory target in the printer color balance adjustment (Automatic adjustment) (SIM 46-74/67-24)
By use of SIM 67-26, one of the following color balances can be set as the factory color balance target.
Each of the three color balances cannot be changed. (Fixed)
By use of SIM 67-26, one of the following color balances can be set as the factory color balance target.
Each of the three color balances cannot be changed. (Fixed)
Service color balance target in the printer color balance
adjustment (Automatic adjustment) (SIM 46-74/67-24).
For the service color balance target, an optional color balance can
be adjusted with SIM 67-25 and registered with SIM 67-27. When,
however, SIM 67-28 is executed, the color balance is set to the
same balance as the factory color balance target set with SIM 67-
26.
adjustment (Automatic adjustment) (SIM 46-74/67-24).
For the service color balance target, an optional color balance can
be adjusted with SIM 67-25 and registered with SIM 67-27. When,
however, SIM 67-28 is executed, the color balance is set to the
same balance as the factory color balance target set with SIM 67-
26.
Color balance target in the user color balance adjustment
This color balance is same as the service color balance target in
the printer color balance adjustment (Automatic adjustment) (SIM
46-74/67-24). When, therefore, the service color balance target is
changed, this target is also changed accordingly.
This color balance is same as the service color balance target in
the printer color balance adjustment (Automatic adjustment) (SIM
46-74/67-24). When, therefore, the service color balance target is
changed, this target is also changed accordingly.
Meaning of the service color balance target gamma data and
the purpose of registration
This procedure must be executed only when the color balance is
customized with SIM 67-25.
If the color balance is not customized, this procedure is not
required.
After completion of the customized color balance adjustment (Man-
ual) with SIM 67-25 according to the user's request, use SIM 67-27
to register the service color balance target data by use of the
printed adjustment pattern.
the purpose of registration
This procedure must be executed only when the color balance is
customized with SIM 67-25.
If the color balance is not customized, this procedure is not
required.
After completion of the customized color balance adjustment (Man-
ual) with SIM 67-25 according to the user's request, use SIM 67-27
to register the service color balance target data by use of the
printed adjustment pattern.
CAUTION: In this case, be sure to use A4 or 11" x 8.5" paper for
printing the adjustment pattern by SIM 67-25.
By this procedure, the service color balance target is revised.
It is recommended to keep the printed adjustment pattern created
with SIM 67-25. This adjustment pattern can be used to register the
same color balance target to another machine.
It is also useful to register the service color balance target data. Do
not fold it and keep it under the circumstances which protect it from
discoloration and dirt.
The service color balance target data is basically registered imme-
diately after the color balance adjustment (Manual) with SIM 67-25.
It is recommended to keep the printed adjustment pattern created
with SIM 67-25. This adjustment pattern can be used to register the
same color balance target to another machine.
It is also useful to register the service color balance target data. Do
not fold it and keep it under the circumstances which protect it from
discoloration and dirt.
The service color balance target data is basically registered imme-
diately after the color balance adjustment (Manual) with SIM 67-25.
If a considerable time has passed after completion of the color bal-
ance adjustment (Manual) with SIM 67-25, the color balance of the
adjustment pattern at the time of adjustment differs from the color
balance of the adjustment pattern printed after a considerable time.
Never use such a pattern for the adjustment.
The correctness of the service color balance target data can be
judged as follows.
When result of the color valance adjustment (Auto) with selecting
the service color balance target in SIM 67-24 is unsatisfactory or
abnormal.
In that case, the registered service target data for the color balance
adjustment (Auto) may be improper.
This may be caused when an improper or abnormal color balance
adjustment pattern was used to register the service color balance
target data for the color balance adjustment with SIM 67-27.
The color balance adjustment pattern used in registration was
made and printed by the color balance adjustment (Manual) with
SIM 67-25. This procedure may have been executed erroneously.
ance adjustment (Manual) with SIM 67-25, the color balance of the
adjustment pattern at the time of adjustment differs from the color
balance of the adjustment pattern printed after a considerable time.
Never use such a pattern for the adjustment.
The correctness of the service color balance target data can be
judged as follows.
When result of the color valance adjustment (Auto) with selecting
the service color balance target in SIM 67-24 is unsatisfactory or
abnormal.
In that case, the registered service target data for the color balance
adjustment (Auto) may be improper.
This may be caused when an improper or abnormal color balance
adjustment pattern was used to register the service color balance
target data for the color balance adjustment with SIM 67-27.
The color balance adjustment pattern used in registration was
made and printed by the color balance adjustment (Manual) with
SIM 67-25. This procedure may have been executed erroneously.
a. Setting procedure
(Setting procedure of an optional color balance (gamma) as
the service color balance target)
1)
the service color balance target)
1)
Use SIM 67-25 (Printer color balance adjustment (manual
adjustment) mode) to print two sheets of the color patch image
(adjustment pattern).
adjustment) mode) to print two sheets of the color patch image
(adjustment pattern).
CAUTION: In this case, be sure to use A4 or 11" x 8.5" paper for
printing the adjustment pattern by SIM 67-25.
If the color balance is shifted from the standard, an adjustment
is required. If not, an adjustment is not required. When an
optional color balance is requested by the user, make an
adjustment.
is required. If not, an adjustment is not required. When an
optional color balance is requested by the user, make an
adjustment.
Factory color balance target
(DEF1)
(DEF1)
Factory color balance target (DEF3) =
Service color balance target/Color balance
target for the user color balance adjustment
Service color balance target/Color balance
target for the user color balance adjustment
SIM67-28
SIM67-28
SIM67-28
Factory color balance target (DEF2) =
Service color balance target/Color balance
target for the user color balance adjustment
Service color balance target/Color balance
target for the user color balance adjustment
Factory color balance target (DEF1)
= Service color balance target/Color
balance target for theuser color
balance adjustment
= Service color balance target/Color
balance target for theuser color
balance adjustment
Factory color balance target
(DEF2)
(DEF2)
Factory color balance target
(DEF3)
(DEF3)
Hue
+b* Direction of Yellow
Direction of Blue
ĩłĪ
Direction
of Green
of Green
Direction
of Red
of Red
DEF1
DEF1
Item
Content
Default
DEF2
DEF3
The engine color balance adjustment target in the automatic color balance
operation is slightly shifted to Magenta. When this target is selected, the
color balance is converted into natural gray color balance by the color
table in an actual printer mode and print is made. (Factory setting)
operation is slightly shifted to Magenta. When this target is selected, the
color balance is converted into natural gray color balance by the color
table in an actual printer mode and print is made. (Factory setting)
The engine color balance adjustment target in the automatic color balance
operation is slightly shifted to natural gray color balance. When this target
is selected, the color balance is slightly shifted to Cyan by the color table
in an actual copy mode and print is made.
operation is slightly shifted to natural gray color balance. When this target
is selected, the color balance is slightly shifted to Cyan by the color table
in an actual copy mode and print is made.
The engine color balance adjustment target in the automatic color balance
operation is slightly shifted to Cyan. When this target is selected, the color
balance is converted into the color balance with enhanced Cyan by the
color table in an actual copy mode and print is made.
operation is slightly shifted to Cyan. When this target is selected, the color
balance is converted into the color balance with enhanced Cyan by the
color table in an actual copy mode and print is made.
MX-7500N ADJUSTMENTS AND SETTINGS 5 – 36
2) Enter the SIM 67-27 mode.
3) Press [SETUP] key.
4) Set the color patch image (adjustment pattern) correctly
4) Set the color patch image (adjustment pattern) correctly
adjusted and printed in the printer color balance adjustment
(Manual adjustment) (SIM 67-25) (ADJ9E (2)) on the docu-
ment table.
A color patch image (adjustment pattern) printed by another
machine can be used.
Set the pattern so that the light density side is on the left side.
Place 5 sheets of white paper on the color patch image
(adjustment pattern).
This procedure must not be executed when the copy color bal-
ance (manual) was adjusted with SIM 67-25 to a unique color
balance requested by the user and it was registered as the
service color balance target with SIM 67-27.
(Manual adjustment) (SIM 67-25) (ADJ9E (2)) on the docu-
ment table.
A color patch image (adjustment pattern) printed by another
machine can be used.
Set the pattern so that the light density side is on the left side.
Place 5 sheets of white paper on the color patch image
(adjustment pattern).
This procedure must not be executed when the copy color bal-
ance (manual) was adjusted with SIM 67-25 to a unique color
balance requested by the user and it was registered as the
service color balance target with SIM 67-27.
5) Press [EXECUTE] key.
The color patch image (adjustment pattern) is read.
6) Press [REPEAT] key, set the second color patch image
(adjustment pattern), and execute the procedure 5) again.
The color balance (gamma) target set level of each color (K, C,
M and Y) can be checked with K/C/M/Y keys.
Check that the set level is increased in the sequence of B - Q
(MAX). If there is no variation or variation is reversed, it is
judged as abnormal.
In case of an abnormality, repair the problem and try again.
M and Y) can be checked with K/C/M/Y keys.
Check that the set level is increased in the sequence of B - Q
(MAX). If there is no variation or variation is reversed, it is
judged as abnormal.
In case of an abnormality, repair the problem and try again.
7) Press [OK] key.
The color balance (gamma) of the color patch image (adjust-
ment pattern) used in the procedure 5) is set as the service tar-
get.
ment pattern) used in the procedure 5) is set as the service tar-
get.
(Procedures to set the service color balance target and the
color balance target for the user color balance adjustment to
the same color balance as the factory color balance target)
color balance target for the user color balance adjustment to
the same color balance as the factory color balance target)
CAUTION: This procedure must not be executed when the copy
color balance was adjusted with SIM 67-25 to a unique
color balance requested by the user and it was regis-
tered as the service color balance target with SIM 67-
27.
When the factory color balance target is changed with
SIM 67-26, be sure to execute this procedure.
color balance requested by the user and it was regis-
tered as the service color balance target with SIM 67-
27.
When the factory color balance target is changed with
SIM 67-26, be sure to execute this procedure.
1)
Enter the SIM 67-28 mode.
2)
Press [EXECUTE] key.
3)
Press [YES] key.
The service color balance target and the color balance target for
the user color balance adjustment are set to the same color bal-
ance as the factory color balance target.
the user color balance adjustment are set to the same color bal-
ance as the factory color balance target.
9-B
Copy/Printer color balance and density
adjustment (Automatic adjustment)
(Basic adjustment)
adjustment (Automatic adjustment)
(Basic adjustment)
This adjustment must be performed in the following cases:
* When a consumable part (developer, OPC drum, transfer belt) is
* When a consumable part (developer, OPC drum, transfer belt) is
replaced.
* When the CCD unit is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* U2 trouble has occurred.
* When the MFP PWB is replaced.
* When the EEPROM on the MFP PWB is replaced.
* The scanner control PWB has been replaced.
* The EEPROM on the scanner control PWB has been replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* U2 trouble has occurred.
* When the MFP PWB is replaced.
* When the EEPROM on the MFP PWB is replaced.
* The scanner control PWB has been replaced.
* The EEPROM on the scanner control PWB has been replaced.
a. General
SIM46-74 is used to perform the automatic copy color balance and
density adjustment (SIM46-24) and the automatic printer color bal-
ance and density adjustment (SIM67-24) continuously.
Since it is desirable to perform the copy color balance adjustment
(automatic adjustment) before the automatic printer color balance
and density adjustment, it is advisable to perform the adjustment in
this mode.
This mode is also advisable to effectively perform both of the auto-
matic copy color balance and density adjustment (SIM46-24) and
the automatic printer color balance and density adjustment (SIM67-
24). It saves considerable time when compared with performing
each of the auto copy/printer color balance and the density adjust-
ment individually.
The color balance adjustment (automatic adjustment) is used to
adjust the copy density of each of Cyan, Magenta, Yellow, and
Black automatically.
When this adjustment is executed, the color balance adjustments
of all the copy/printer modes are revised.
SIM46-74 is used to perform the automatic copy color balance and
density adjustment (SIM46-24) and the automatic printer color bal-
ance and density adjustment (SIM67-24) continuously.
Since it is desirable to perform the copy color balance adjustment
(automatic adjustment) before the automatic printer color balance
and density adjustment, it is advisable to perform the adjustment in
this mode.
This mode is also advisable to effectively perform both of the auto-
matic copy color balance and density adjustment (SIM46-24) and
the automatic printer color balance and density adjustment (SIM67-
24). It saves considerable time when compared with performing
each of the auto copy/printer color balance and the density adjust-
ment individually.
The color balance adjustment (automatic adjustment) is used to
adjust the copy density of each of Cyan, Magenta, Yellow, and
Black automatically.
When this adjustment is executed, the color balance adjustments
of all the copy/printer modes are revised.
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