MX-5050N, MX-5050V, MX-5070N, MX-5070V, MX-6050N, MX-6050V, MX-6070N, MX-6070V (serv.man7). Installation Manual (Revised May 2017). - Sharp Copying Equipment Service Manual (repair manual). Page 19

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MX-6070N  MX-5070N/6070N/5050N/6050N (MAIN UNIT)  1 – 11
(3)
Printer color balance/density check
Method 
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.
(4)
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.)
3)
Set the color patch image (adjustment pattern) paper printed in
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).
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.
The copy color balance adjustment is automatically executed and
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.
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.)
6)
Set the color patch image (adjustment pattern) printed in the pro-
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).
Q
O P
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Y
M
C
Bk
High 
density
Low 
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.
PRINTER CALIBRATION
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