Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man9) Service Manual ▷ View online
MX-4070N 2 – 23
c. Copy/Printer color balance and density adjustment (Automatic
adjustment)
When a printer option is installed, be sure to execute the above item.
1)
Enter the SIM46-74 mode.
2)
Press [EXECUTE] key.
The high density process control is performed, and the copy color
patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
3)
Set the color patch image (adjustment pattern) paper printed in
procedure 2) on the document table.
procedure 2) on the document table.
Set the color patch image (adjustment pattern) printed in the pro-
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
4)
Select [FACTORY] target, and press [EXECUTE] key.
When the color balance is customized by the manual color bal-
ance adjustment (SIM 46-21) according to the user's request, and
the color balance is registered with SIM63-7 as the service target,
if the color balance is required to be adjusted, select the [SER-
VICE] target.
ance adjustment (SIM 46-21) according to the user's request, and
the color balance is registered with SIM63-7 as the service target,
if the color balance is required to be adjusted, select the [SER-
VICE] target.
The copy color balance adjustment is automatically executed and
prints the color balance check patch image.
prints the color balance check patch image.
If there is any streak or unclear print on the printed check pattern,
check the print engine for any problems.
check the print engine for any problems.
5)
Press [EXECUTE] key.
The printer color patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
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Q
O P
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Y
M
C
Bk
High
density
density
Low
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.
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.
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MX-4070N 2 – 24
6)
Set the color patch image (adjustment pattern) printed in the pro-
cedure 5) on the document table.
cedure 5) on the document table.
Set the color patch image (adjustment pattern) printed in the pro-
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
7)
Select [FACTORY] target, and press [EXECUTE] key.
When the color balance is customized with the manual color bal-
ance adjustment (SIM 67-25) according to the user's request and
the color balance is registered as the service target with SIM 67-
27, if the color balance is adjusted to that color balance, select the
[SERVICE] target.
ance adjustment (SIM 67-25) according to the user's request and
the color balance is registered as the service target with SIM 67-
27, if the color balance is adjusted to that color balance, select the
[SERVICE] target.
The printer color balance adjustment (step 1) is automatically per-
formed and the color balance check patch image is printed out.
formed and the color balance check patch image is printed out.
If there is any streak or unclear print on the printed check pattern,
check the print engine for any problems.
check the print engine for any problems.
8)
The initial setting menu of the half-tone image correction is dis-
played. Press [OK] key.
played. Press [OK] key.
The initial setting of the half-tone image correction is performed.
9)
Wait until [EXECUTE] key is displayed. When it is displayed,
press it.
press it.
The half-tone image correction is performed.
10) When "COMPLETED THIS PROCEDURE" is displayed, the
adjustment operation is completed.
Cancel SIM46-74.
The adjustment result becomes valid only when the both adjust-
ments in the copy mode and in the printer mode are completed.
ments in the copy mode and in the printer mode are completed.
For example, if the copy color balance adjustment (automatic
adjustment) is performed and the simulation is canceled, the
adjustment result is invalid.
adjustment) is performed and the simulation is canceled, the
adjustment result is invalid.
PRINTER CALIBRATION
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1) The max. density section is not blurred.
2) Patch C or D of each of Y, M, C, and BK is copied.
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
Low density
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MX-4070N 2 – 25
11) Check the copy color balance and density.
(Refer to the item of the copy color balance and density check.)
12) Check the printer color balance and density.
(Refer to the item of the printer color balance and density check.)
If the color balance or density is not in the satisfactory level even after
execution of the automatic and manual adjustments, there may be
another cause.
execution of the automatic and manual adjustments, there may be
another cause.
Troubleshoot the cause, repair or perform necessary works, and
repeat the adjustment from the beginning.
repeat the adjustment from the beginning.
If color balance or density is not satisfied, adjust the copy and printer
color balance by SIM 46-74.
color balance by SIM 46-74.
d. Copy color balance and density check
Method
Make a copy of the gray test chart (UKOG-0162FCZZ) and a copy of
the servicing color test chart (UKOG-0326FCZZ/UKOG-0326FC11),
and check that they are proper.
the servicing color test chart (UKOG-0326FCZZ/UKOG-0326FC11),
and check that they are proper.
a. Note for execution of the color balance and density check in the
color copy mode
color copy mode
To check the copy color balance and density, use the gray test chart
(UKOG-0162FCZZ) and the servicing color test chart (UKOG-
0326FCZZ/UKOG-0326FC11). Set the copy density level to "3" in
the Text/Printed Photo mode (Manual), and make a copy.
(UKOG-0162FCZZ) and the servicing color test chart (UKOG-
0326FCZZ/UKOG-0326FC11). 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).
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 test chart (UKOG-0162FCZZ).
Set the copy density level to "Manual 3" in the Text/Printed Photo
mode (Manual).
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).
mode must be set to the default (center).
[Check with the gray test chart (UKOG-0162FCZZ)]
In the copy density check with the gray test chart, check to insure the
following conditions.
following conditions.
For the color (gray) balance, use the servicing color test chart (UKOG-
0326FCZZ/UKOG-0326FC11) to check.
0326FCZZ/UKOG-0326FC11) to check.
[Check with the servicing color test chart (UKOG-0326FCZZ/UKOG-
0326FC11)]
0326FC11)]
In the copy color balance check with the servicing color test chart,
check to insure the following conditions.
check to insure the following conditions.
1
2
3
4
5
6
7
8
9
10
W
SHARP GRAY CHART
SHARP gray chart
Patch 1 is
slightly copied.
slightly copied.
Patch 2 is copied.
(Color copy)
1
2
3
4
5
6
7
8
9
10
W
SHARP GRAY CHART
SHARP gray chart
Patch 1 is not copied.
Patch 2 is
slightly copied.
slightly copied.
Patch 3 is copied.
(Black-and-white 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.
(Color copy)
MX-4070N 2 – 26
a. Color copy check items (Check to confirm the following:)
1)
There are 12 void areas.
2)
Registrations (one point for the main scanning, and one point for
the sub scanning) are not shifted.
the sub scanning) are not shifted.
3)
The resolution of 5.0 (5 points) can be seen.
4)
The color difference in gray balance between the F and the R
sides is not so great.
sides is not so great.
5)
There are no white and black streaks.
6)
Color texts are clearly reproduced.
7)
Solid density is not so light.
Solid density is not so light
IJ
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