Sharp MX-C310 / MX-C311 / MX-C312 / MX-C380 / MX-C381 / MX-C400 / MX-C401 (serv.man11) Service Manual ▷ View online
MX-C401 MX-C310/MX-C311/MX-C312/MX-C380/MX-C381/MX-C400/MX-C401 (MAIN UNIT) 1 – 13
* By pressing the [REPRINT] button, you can return to the
cassette selection screen and have the machine self-print
RSPF adjustment patterns again.
RSPF adjustment patterns again.
7)
Press the [EXECUTE] button.
The machine starts reading RSPF adjustment patterns (for the
front side).
front side).
* After completion of the adjustment, the screen is shifted to
the RSPF adjustment pattern (back surface) scan start
screen.
screen.
[Adjustment Item List]
• RSPF original leading edge adjustment (front side)
• RSPF original off-center adjustment (front side)
• RSPF original sub-scan magnification adjustment (front
side)
8)
Set the adjustment pattern face down in the RSPF.
* By pressing the [REPRINT] button, you can return to the
cassette selection screen and have the machine self-print
RSPF adjustment patterns again.
RSPF adjustment patterns again.
9)
Press the [EXECUTE] button.
The machine starts loading RSPF adjustment patterns (for the
back side).
back side).
* After completion of the adjustment, the screen is shifted to
the adjustment result display screen.
[Adjustment Item List]
• RSPF original leading edge adjustment (back side)
• RSPF original off-center adjustment (back side)
• RSPF original sub-scan magnification adjustment (back
side)
10) Press [OK] key. (For the 4.3 Inch LCD model, press the OSA
shortcut key.)
The adjustment result is displayed.
(4)
Copy/Printer color balance and density adjustment
(Automatic adjustment)
(Automatic adjustment)
a. Note for color balance and density adjustment
1)
For the color balance adjustment, use the recommended color
paper. (For the recommended paper, refer to [2] of the Service
Manual.)
paper. (For the recommended paper, refer to [2] of the Service
Manual.)
If the other kind of paper is used for the color balance adjust-
ment, the proper image quality (color balance, density) may
not be obtained.
ment, the proper image quality (color balance, density) may
not be obtained.
2)
When setting the adjustment pattern on the document table in
the automatic color balance adjustment procedures, place 5
sheets of white paper on the adjustment pattern in order to
prevent back copying and adverse effects of paper wrinkles as
far as possible.
the automatic color balance adjustment procedures, place 5
sheets of white paper on the adjustment pattern in order to
prevent back copying and adverse effects of paper wrinkles as
far as possible.
b. Adjustment procedures
1)
Enter the SIM46-74 mode.
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
2)
Press [EXECUTE] key.
The high density process control is performed, and the copy
color patch image (adjustment pattern) is printed out. (A4 or
11" x 8.5" paper is automatically selected.)
color patch image (adjustment pattern) is printed out. (A4 or
11" x 8.5" paper is automatically selected.)
(4.3 Inch LCD model)
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MX-C401 MX-C310/MX-C311/MX-C312/MX-C380/MX-C381/MX-C400/MX-C401 (MAIN UNIT) 1 – 14
(8.5/7.0 Inch LCD model)
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 printed color patch image (adjustment pattern) on the
document table. Place the color patch image so that the fine
lines are on the left side in the center reference. At that time,
place 5 sheets of white paper on the printed color patch image
(adjustment pattern).
document table. Place the color patch image so that the fine
lines are on the left side in the center reference. At that time,
place 5 sheets of white paper on the printed color patch image
(adjustment pattern).
4)
Select [FACTORY] target on the operation panel, and press
[EXECUTE] key.
[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
[SERVICE] 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
[SERVICE] target.
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
The copy color balance adjustment is automatically executed
and prints the color balance check patch image.
and prints the color balance check patch image.
If there is any streak or unclear print on the printed check pat-
tern, check the print engine for any problems.
tern, check the print engine for any problems.
NOTE:
(Descriptions on the factory service key button in the
color balance automatic adjustment menu)
color balance automatic adjustment menu)
There are two kinds of the gamma target for the color balance
automatic adjustment: the factory target and the service target.
automatic adjustment: the factory target and the service target.
FACTORY key and SERVICE key are used to select one of the
above two.
above two.
Factory target color balance: Standard color balance
(The color balance can be selected from the three kinds of
fixed ones with SIM63-11.)
fixed ones with SIM63-11.)
Service target color balance: The color balance can be cus-
tomized according to the user's request. (Variable)
tomized according to the user's request. (Variable)
When shipping from the factory, the service target gamma data
and the factory target gamma data are the same.
and the factory target gamma data are the same.
Both are set to the standard color balance when shipping from
the factory. For the service target, a customized color balance
gamma can be registered with SIM63-7.
the factory. For the service target, a customized color balance
gamma can be registered with SIM63-7.
5)
Press [EXECUTE] key.
The printer color patch image (adjustment pattern) is printed
out. (A4 or 11" x 8.5" paper is automatically selected.)
out. (A4 or 11" x 8.5" paper is automatically selected.)
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MX-C401 MX-C310/MX-C311/MX-C312/MX-C380/MX-C381/MX-C400/MX-C401 (MAIN UNIT) 1 – 15
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
6)
Set the color patch image (adjustment pattern) printed in the
procedure 5) on the document table.
procedure 5) on the document table.
Set the printed color patch image (adjustment pattern) on the
document table. Place the color patch image so that the fine
lines are on the left side in the center reference. At that time,
place 5 sheets of white paper on the printed color patch image
(adjustment pattern).
document table. Place the color patch image so that the fine
lines are on the left side in the center reference. At that time,
place 5 sheets of white paper on the printed color patch image
(adjustment pattern).
7)
Select [FACTORY] target on the operation panel, and press
[EXECUTE] key.
[EXECUTE] key.
When the color balance is customized with the manual color
balance adjustment (SIM 67-25) according to the user's
request and the color balance is registered as the service tar-
get with SIM 67-27, if the color balance is adjusted to that color
balance, select the service target.
balance adjustment (SIM 67-25) according to the user's
request and the color balance is registered as the service tar-
get with SIM 67-27, if the color balance is adjusted to that color
balance, select the service target.
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
The printer color balance adjustment (step 1) is automatically
performed and the color balance check patch image is printed
out.
performed and the color balance check patch image is printed
out.
If there is any streak or unclear print on the printed check pat-
tern, check the print engine for any problems.
tern, 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 per-
formed.
formed.
(4.3 Inch LCD model)
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MX-C401 MX-C310/MX-C311/MX-C312/MX-C380/MX-C381/MX-C400/MX-C401 (MAIN UNIT) 1 – 16
(8.5/7.0 Inch LCD model)
9)
When "COMPLETE THIS PROCEDURE" is displayed, the
adjustment operation is completed. Cancel SIM 46-74.
adjustment operation is completed. Cancel SIM 46-74.
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
NOTE: The adjustment result becomes valid only when the both
adjustments in the copy mode and in the printer mode are
completed.
completed.
For example, if the copy color balance adjustment (auto-
matic adjustment) is performed and the simulation is can-
celed, the adjustment result is invalid.
matic adjustment) is performed and the simulation is can-
celed, the adjustment result is invalid.
10) Check the copy color balance and density.
There are two methods to check the color balance and density.
(Method 1)
Use the servicing color test chart (UKOG-0326FCZZ/UKOG-
0326FC11) in the Text/Printed Photo mode (Manual) to check
the copy color balance and density. (Refer to the item of the
copy color balance and density check.)
0326FC11) in the Text/Printed Photo mode (Manual) to check
the copy color balance and density. (Refer to the item of the
copy color balance and density check.)
When satisfactory color balance and density are not obtained
from the automatic adjustment by selecting the factory target in
procedure 4), change the factory color balance target with SIM
63-11 and repeat the procedures from 1).
from the automatic adjustment by selecting the factory target in
procedure 4), change the factory color balance target with SIM
63-11 and repeat the procedures from 1).
If a satisfactory result is not obtained with the above proce-
dure, perform the manual color balance adjustment (ADJ
14C).
dure, perform the manual color balance adjustment (ADJ
14C).
Also when the service target is selected in procedure 4) to exe-
cute the automatic adjustment and a satisfactory result is not
obtained, perform the manual color balance adjustment (ADJ
14C).
cute the automatic adjustment and a satisfactory result is not
obtained, perform the manual color balance adjustment (ADJ
14C).
(Method 2)
By printing the color balance adjustment sheet with SIM 46-21
and comparing each process (CMY) black patch color balance
with the black patch, the color balance adjustment can be
checked more precisely.
and comparing each process (CMY) black patch color balance
with the black patch, the color balance adjustment can be
checked more precisely.
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. 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.)
mixed color) 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.)
11) Use SIM 44-26 to perform the half tone image correction.
(Compulsory execution)
• Enter the SIM 44-26 mode and press [EXECUTE] key.
• [EXECUTE] key is highlighted and the operation is started.
(4.3 Inch LCD model)
(8.5/7.0 Inch LCD model)
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CMY
Blend
Blend
High density
Low density
4) Patch A of each of Y, M, C, and
BK are not copied.
2) Patch C or D of each of Y, C, M, and
BK is very slightly copied.
3) Patch for each of C, M, Y, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
1) The max. density section is not blurred.
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