Sharp MX-5500N / MX-6200N / MX-7000N (serv.man45) Service Manual ▷ View online
MX-7000N ADJUSTMENTS 6 – 41
(The following items affect the copy color balance/density
adjustment, but it is not required to adjust them frequently.
When, however, a trouble occurs, check and adjust them.)
1)
adjustment, but it is not required to adjust them frequently.
When, however, a trouble occurs, check and adjust them.)
1)
The following items must be adjusted properly.
(Relationship between the servicing job contents and the copy
color balance/density adjustment)
Note that the preliminary jobs before execution of the copy color
balance/density adjustment depend on the machine status and the
servicing conditions.
Follow the flowchart of the copy color balance/density adjustment
procedures depending on the actual conditions.
There are following four, major cases.
1)
color balance/density adjustment)
Note that the preliminary jobs before execution of the copy color
balance/density adjustment depend on the machine status and the
servicing conditions.
Follow the flowchart of the copy color balance/density adjustment
procedures depending on the actual conditions.
There are following four, major cases.
1)
When installing the machine.
2)
When the periodic maintenance is performed.
3)
When a repair, an inspection, or a maintenance is performed.
(When a consumable part is replaced.)
(When a consumable part is replaced.)
4)
When a repair, an inspection, or a maintenance is performed.
(Without replacement of a consumable part)
(Without replacement of a consumable part)
(2) Flowchart of the copy color balance/density adjustment procedures
Job
No
Adjustment item
Simulation
to be used
ADJ
1
Developing doctor gap adjustment (For color)
ADJ
2
Developing roller main pole position adjustment (For
color)
color)
ADJ
6
High voltage
adjustment
adjustment
6A
Main charger grid voltage
adjustment
adjustment
8-2
6B
Developing bias voltage
adjustment
adjustment
8-1
6C
Transfer voltage adjustment
8-6
ADJ
14
Scan image
focus
adjustment
(CCD unit
position
adjustment)
focus
adjustment
(CCD unit
position
adjustment)
14A
Scan image focus adjustment
(Document table mode,
DSPF front surface mode)
(Document table mode,
DSPF front surface mode)
48-1
14B
Scan image focus adjustment
(DSPF back surface mode)
(DSPF back surface mode)
The necessary work items for each condition are marked with "
∗
."
START
㧝
Process correction is forcibly
performed. (SIM 44-6)
Execute the half tone image
correction. (SIM 44-26)
Check the copy color balance/density.
(Manual operation) Text/Printed photo mode
(Test chart UKOG-0016FCZZ/
UKOG-0317FCZZ/11 is used.)
Are the copy
color balance and density
at satisfactory
levels?
No
Is the CCD replaced?
Yes
Set the ST chart
(UKOG-0280FCZZ) on
the original table.
Perform ADJ 22A
CCD gamma adjustment.
SIM 63-3 (Normal document mode)
Enter the SIM 63-03
mode and press the
EXECUTE key.
Check the copy color balance/density.
(Manual operation) Text/Printed photo mode
(Test chart UKOG-0016FCZZ/
UKOG-0317FCZZ/11 is used.)
(to Next page)
No
Yes
(to Next page)
: Standard adjustment flow
After
replacing
OPC drum
After
replacing
developer
drum
After
replacing
transfer belt
After
replacement
of the image
of the image
density sensor
After cleaning
scanner
(reading)
section
When in
install/repair/check
(without replacing
consumable parts)
OPC drum counter clear
24-7
∗
Developer counter clear
24-5
∗
ADJ 7A
Color image density sensor
calibration
calibration
44-13
∗
ADJ 9
OPC drum phase adjustment
(Auto adjustment)
(Auto adjustment)
50-22
∗
ADJ 8
Image skew adjustment
(LSU (writing) unit)
(LSU (writing) unit)
61-4
ADJ 12
Image registration adjustment
(Print engine section)
(Print engine section)
50-22 (50-20/
50-21)
50-21)
Simulation
Work item
JOB No
∗
∗
When in repair, check/maintenance (with replacing consumable parts)
MX-7000N ADJUSTMENTS 6 – 42
4
Change the color balance/density
adjustment factory targets.
(SIM 63-11)
adjustment factory targets.
(SIM 63-11)
Make the factory color balance target
(when adjusting the copy color
balance/density with SIM 46-24) same
as the service color balance target and
the color balance target when adjusting
the density. (SIM63-8)
(when adjusting the copy color
balance/density with SIM 46-24) same
as the service color balance target and
the color balance target when adjusting
the density. (SIM63-8)
No
Can the
copy color balance and
density be adjusted to satisfactory
levels with the fine
adjustment?
Perform the manual adjustment of ADJ 22D
copy color balance, density adjustment. (SIM 46-21)
Perform ADJ 22C copy color balance/
density auto adjustment. (SIM 46-24)
density auto adjustment. (SIM 46-24)
Enter the SIM 46-24 mode and select
A3 (11 x 17) paper. (Auto selection)
(from Previous page)
(from Previous page)
: Standard adjustment flow
Perform the initial setup of half tone
image correction. (SIM 44-21)
Execute the half tone image correction.
(Forcible execution) (SIM 44-26)
Check the copy color balance and the density.
(Check in the (Manual operation)
Text/Printed photo mode.)
(Use the test chart UKOG-0317FCZZ/11.)
Are the copy
color balance and density
at satisfactory
levels?
Were the
copy color balance and
density
customized?
Yes
Yes
No
No
1
*1
The number of
times is limited
to 3 times
The number of
times is limited
to 3 times
Press the EXECUTE key.
(The adjustment pattern is printed.)
Press the REPEAT key.
Press the EXECUTE key.
(The adjustment pattern is printed.)
Set the adjustment pattern
on the original table, select
the FACTORY mode, and
press the EXECUTE key.
Set the adjustment pattern
on the original table, and
press the EXECUTE key.
Press the OK key. (The initial
setup of half tone image correction
is automatically performed.)
Cancel SIM 46-24.
3
Use SIM 46-21 to
print the color
balance check
sheet, and check
the patch color
balance of process
black.
/Check the copy
color balance and
density.
Check in the
(Manual operation)
Text/Printed photo
mode. (Use the
test chart
UKOG-0317FCZZ/
11.)
Are the
color balance
and density at the
satisfactory
levels?
Were all
the three kinds of
color balance/density adjustment
targets changed?
(SIM 63-11)
Is the
automatic adjustment
repeated?
No
No
4
Yes
No
3
Auto color balance adjustment
service target is set.
Enter the SIM 63-7 mode.
Press the SETUP key.
Set the color patch image (adjustment
pattern) printed in the copy color balance/
density adjustment on the original table,
and press the EXECUTE key.
pattern) printed in the copy color balance/
density adjustment on the original table,
and press the EXECUTE key.
Press the REPEAT key.
Press the EXECUTE key.
Press the OK key.
Cancel SIM 63-7.
Is the color balance/
density adjustment performed
for each copy mode ?
(Does the user request
that ?)
The copy color
balance and
density adjustment
completed.
balance and
density adjustment
completed.
Perform the initial setup of half tone
image correction. (SIM 44-21)
Execute the half tone image correction.
(Forcible execution) (SIM 44-26)
Check the copy color balance and density.
Check in the (Manual operation)
Text/Printed photo mode.
(Use the test chart UKOG-0317FCZZ/11.)
Are the
copy color
balance and the density
in the specified
level ?
Yes
No
*1
The number of
times is limited to
3 times
The number of
times is limited to
3 times
1
Perform ADJ 22G copy color
balance/density adjustment
for each copy mode separately.
(SIM 46-10)
balance/density adjustment
for each copy mode separately.
(SIM 46-10)
Yes
No
Perform the printer color balance
adjustment.
Yes
Yes
Yes
Were
the three kinds of
color balance/density adjustment
targets changed?
(SIM 63-11)
Yes
No
*1: If a satisfactory result in the copy color balance or the density
cannot be obtained by repetition of this loop of procedures
3 times or more, there may be a problem in the machine conditions.
Check the cause, repair the trouble section, and execute all the
adjustment from the beginning again.
3 times or more, there may be a problem in the machine conditions.
Check the cause, repair the trouble section, and execute all the
adjustment from the beginning again.
Can be
repeated
max. 3 times.
repeated
max. 3 times.
MX-7000N ADJUSTMENTS 6 – 43
(3) Copy color balance and density check
(Note)
Before checking the coy color balance and density, be sure to exe-
cute the following jobs.
* Execute the high density image correction (Process correction)
(Note)
Before checking the coy color balance and density, be sure to exe-
cute the following jobs.
* Execute the high density image correction (Process correction)
forcibly. (SIM 44-6)
* Execute the half-tone image correction forcibly. (SIM 44-26)
(Method)
Make a copy of the gray test chart (UKOG-0016FCZZ) and a copy
of the servicing color test chart (UKOG-0317FCZZ/11), and check
that they are proper.
a. Note for execution of the color balance and density check in the
(Method)
Make a copy of the gray test chart (UKOG-0016FCZZ) and a copy
of the servicing color test chart (UKOG-0317FCZZ/11), and check
that they are proper.
a. Note for execution of the color balance and density check in the
color copy mode
To check the copy color balance and density, use the gray test
chart (UKOG-0016FCZZ) and the servicing color test chart
(UKOG-0317FCZZ/11). Set the copy density level to "3" in the
Text/Printed Photo mode (Manual), and make a copy.
At that time, all the color balance adjustments in the user
adjustment mode must be set to the default (center).
In addition, be sure to use the specified paper for color.
chart (UKOG-0016FCZZ) and the servicing color test chart
(UKOG-0317FCZZ/11). Set the copy density level to "3" in the
Text/Printed Photo mode (Manual), and make a copy.
At that time, all the color balance adjustments in the user
adjustment mode must be set to the default (center).
In addition, be sure to use the specified paper for color.
b. Note for checking the monochrome copy mode density
To check the density, use the gray chart (UKOG-0016FCZZ).
Set the copy density level to "Manual 3" in the Text/Printed
Photo mode (Manual).
In addition, all the color balance adjustments in the user
adjustment mode must be set to the default (center).
Set the copy density level to "Manual 3" in the Text/Printed
Photo mode (Manual).
In addition, all the color balance adjustments in the user
adjustment mode must be set to the default (center).
[Check with the gray test chart (UKOG-0016FCZZ)]
In the copy density check with the gray test chart, check to insure
the following conditions.
In the copy density check with the gray test chart, check to insure
the following conditions.
NOTE: For the color (gray) balance, use the servicing color test
chart (UKOG-0317FCZZ/11) to check.
[Check with the servicing color test chart (UKOG-0317FCZZ/11)]
In the copy color balance check with the servicing color test chart,
check to insure the following conditions.
In the copy color balance check with the servicing color test chart,
check to insure the following conditions.
22-A
CCD gamma adjustment (CCD calibration)
(Normal document copy mode)
(Normal document copy mode)
This adjustment is required in the following cases:
* When the CCD unit is replaced.
* When a U2 trouble occurs.
* When the scanner control PWB is replaced.
* When the EEPROM on the scanner control PWB is replaced.
* When the CCD unit is replaced.
* When a U2 trouble occurs.
* When the scanner control PWB is replaced.
* When the EEPROM on the scanner control PWB is replaced.
(1) Note before adjustment
1)
Check that the table glass, No. 1, 2, 3 mirrors, and the lens
surface are free from dirt and dust. (If there is some dust and
dirt, wipe and clean with alcohol.)
surface 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 SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1) are
free from dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
the SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1) are
free from dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
(2) Adjustment procedures
1)
Set the SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1) to
the reference position on the left rear frame side of the docu-
ment table.
Set the chart so that the lighter density side of the patch is on
the left side.
the reference position on the left rear frame side of the docu-
ment table.
Set the chart so that the lighter density side of the patch is on
the left side.
If the SIT chart is not available, execute SIM 63-5 to set the
CCD gamma to the default. In this case, however, the adjust-
ment accuracy is lower when compared with the adjustment
method using the SIT chart.
NOTE:
• Check to insure that the SIT chart (UKOG-0280FCZZ or
CCD gamma to the default. In this case, however, the adjust-
ment accuracy is lower when compared with the adjustment
method using the SIT chart.
NOTE:
• Check to insure that the SIT chart (UKOG-0280FCZZ or
UKOG-0280FCZ1) is in close contact with the document
table.
table.
• UKOG-0280FCZZ is equivalent to UKOG-0280FCZ1.
2)
Enter the SIM 63-03 mode and press [EXECUTE] key.
The automatic adjustment is started. During the adjustment,
[EXECUTE] key is highlighted. After completion of the adjust-
ment, [EXECUTE] key returns to the normal display.
The automatic adjustment is started. During the adjustment,
[EXECUTE] key is highlighted. After completion of the adjust-
ment, [EXECUTE] key returns to the normal display.
1
2
3
4
5
6
7
8
9
10
W
SHARP GRAY CHART
(Color copy)
Patch 1 is
slightly copied.
slightly copied.
Patch 2 is copied.
SHARP gray chart
1
2
3
4
5
6
7
8
9
10
W
SHARP GRAY CHART
(Black-and-white copy)
Patch 2 is
slightly copied.
slightly copied.
Patch 3 is copied.
Patch 1 is not copied.
SHARP gray chart
(Color copy)
Serviceman chart (Color patch section)
The densities of patches 1 – 6 of
each color are properly balanced.
each color are properly balanced.
Patch 7 is slightly
copied or not copied.
copied or not copied.
CLOSE
OC
SIMULATION NO.63-03
TEST
SCANNER COLOR BALANCE AUTO ADJUSUTMENT
OC
#1:197, #2:185, #3:165, #4:148, #5:117, #6:110,
#7: 88, #8: 75, #9: 55, #10: 45, #11: 38, #12: 29,
#19: 5, #20:
4, #22: 2, #:24: 2
#13: 27, #14: 21, #15: 18, #:16: 15, #17: 10, #18: 8,
1/2
DSPF
B
G
R
C#2:180, C#6:141, C#12: 89
R#2:166, R#6: 43, R#12: 4
M#2:180, M#6:141, M#12: 89
G#2:166, G#6: 43, G#12: 4
Y#2:180, Y#6: 141, Y#12: 89
B#2:166, B#6: 43, B#12: 4
MX-7000N ADJUSTMENTS 6 – 44
NOTE:
Since the SIT chart (UKOG-0280FCZZ) is easily discolored by
sunlight (especially ultraviolet rays) and humidity and tempera-
ture, put it in a bag such as a clear file) and store in a dark
place of low temperature and low humidity.
Since the SIT chart (UKOG-0280FCZZ) is easily discolored by
sunlight (especially ultraviolet rays) and humidity and tempera-
ture, put it in a bag such as a clear file) and store in a dark
place of low temperature and low humidity.
22-B
CCD gamma adjustment (CCD calibration)
(DSPF document copy mode)
(DSPF document copy mode)
This adjustment is required in the following cases:
* When the CCD unit is replaced.
* When a U2 trouble occurs.
* When the scanner control PWB is replaced.
* When the EEPROM on the scanner control PWB is replaced.
* When the CCD unit is replaced.
* When a U2 trouble occurs.
* When the scanner control PWB is replaced.
* When the EEPROM on the scanner control PWB is replaced.
(1) Note before adjustment
1)
Check to insure that there is no dirt or dust on the SPF scan-
ning glass, the mirror, and the lens surface. (If there is, clean it
with alcohol.)
ning glass, the mirror, and the lens surface. (If there is, clean it
with alcohol.)
2)
Check to confirm that the patches in BK1 and BK2 arrays of
the SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1) are
free from dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
NOTE:
Since the SIT chart (UKOG-0280FCZZ) is easily discolored by
sunlight (especially ultraviolet rays) and humidity and tempera-
ture, put it in a bag such as a clear file) and store in a dark
place of low temperature and low humidity.
the SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1) are
free from dirt and scratches.
If they are dirty, clean them.
If they are scratched or streaked, replace with new one.
NOTE:
Since the SIT chart (UKOG-0280FCZZ) is easily discolored by
sunlight (especially ultraviolet rays) and humidity and tempera-
ture, put it in a bag such as a clear file) and store in a dark
place of low temperature and low humidity.
(2) Adjustment procedures
1)
Set the SIT chart (UKOG-0280FCZZ or UKOG-0280FCZ1)
face-down in the DSPF paper feed tray.
face-down in the DSPF paper feed tray.
If the SIT chart is not available, execute SIM 63-5 to set the
CCD gamma to the default. In this case, however, the adjust-
ment accuracy is lower when compared with the adjustment
method using the SIT chart.
NOTE: UKOG-0280FCZZ is equivalent to UKOG-0280FCZ1.
CCD gamma to the default. In this case, however, the adjust-
ment accuracy is lower when compared with the adjustment
method using the SIT chart.
NOTE: UKOG-0280FCZZ is equivalent to UKOG-0280FCZ1.
2)
Enter the SIM 63-03 mode.
3)
When a color key is selected, the adjustment value of the
selected color is displayed.
selected color is displayed.
4)
When [DSPF] key is pressed, it is highlighted, and the color
automatic adjustment execution screen is displayed.
automatic adjustment execution screen is displayed.
5)
Press [EXECUTE] key and it is highlighted and the color auto
adjustment is executed.
* When [EXECUTE] key is pressed during the automatic
adjustment is executed.
* When [EXECUTE] key is pressed during the automatic
adjustment, the automatic adjustment is interrupted.
CLOSE
OC
SIMULATION NO.63-03
TEST
SCANNER COLOR BALANCE AUTO ADJUSUTMENT
OC
#1:197, #2:185, #3:165, #4:148, #5:117, #6:110,
#7: 88, #8: 75, #9: 55, #10: 45, #11: 38, #12: 29,
#19: 5, #20:
4, #22: 2, #:24: 2
#13: 27, #14: 21, #15: 18, #:16: 15, #17: 10, #18: 8,
1/2
DSPF
B
G
R
C#2:180, C#6:141, C#12: 89
R#2:166, R#6: 43, R#12: 4
M#2:180, M#6:141, M#12: 89
G#2:166, G#6: 43, G#12: 4
Y#2:180, Y#6: 141, Y#12: 89
B#2:166, B#6: 43, B#12: 4
CLOSE
OC
SIMULATION NO.63-03
TEST
SCANNER COLOR BALANCE AUTO ADJUSUTMENT
OC
#1:197, #2:185, #3:165, #4:148, #5:117, #6:110,
#7: 88, #8: 75, #9: 55, #10: 45, #11: 38, #12: 29,
#19: 5, #20: 4, #22: 2, #:24: 2
#13: 27, #14: 21, #15: 18, #:16: 15, #17: 10, #18: 8,
1/2
DSPF
B
G
R
C#2:180, C#6:141, C#12: 89
R#2:166, R#6: 43, R#12: 4
M#2:180, C#6:141, C#12: 89
G#2:166, R#6: 43, R#12: 4
Y#2:180, C#6:141, C#12: 89
B#2:166, R#6: 43, R#12: 4
SIMULATION NO.63-03
TEST
SCANNER COLOR BALANCE AUTO ADJUSUTMENT
SET THE CHART ON DSPF AND TOUCH [EXECUTE]
SET THE CHART ON DSPF AND TOUCH [EXECUTE]
1/1
CLOSE
EXECUTE
SIMULATION NO.63-03
TEST
SCANNER COLOR BALANCE AUTO ADJUSUTMENT
NOW CHART PATCH READING...
NOW CHART PATCH READING...
1/1
CLOSE
EXECUTE
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