MX-6240N, MX-7040N (serv.man17). Service Manual (Revised May 2017). - Sharp Copying Equipment Service Manual (repair manual). Page 112

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MX-7040N  ADJUSTMENTS AND SETTINGS  5 – 56
 
9-D
(6)
Document low density image density 
reproduction adjustment in the automatic 
monochrome (Copy/Scan/FAX) mode 
(No need to adjust normally) (Background 
density adjustment in the scanning section)
Use for the reproducibility adjustment of document background
density in monochrome auto copy mode.
This adjustment is required in the following cases.
* When there is a desire not to reproduce the background of the
document. When there is a desire to reproduce the low density
image of the document.
* When there is request from the user.
1) Enter the SIM 46-32 mode.
2) Select the adjustment mode with the scroll key.
3) Enter the adjustment value with 10-key and press [OK] key.
When the adjustment value is increased, reproducibility of the
background and the low density image is increased. When the
adjustment value is decreased, reproducibility of the back-
ground and the low density image is decreased.
 
9-D
(7)
Copy/Scan low density image density 
adjustment (for each mode) 
(No need to adjust normally)
This adjustment is used to adjust the image density in the low den-
sity area in the copy/scanner mode.
This adjustment is required in the following cases.
* When there is a desire not to reproduce the background of the
document. When there is a desire to reproduce the low density
image of the document.
* When there is request from the user.
1)
Enter the SIM 46-63 mode.
Item/Display
Content
Setting 
range
Default 
value
A
COPY: OC
Copy mode (for OC)
1 - 250
196
B
COPY:  DSPF 
(SIDE1)
Copy mode 
(for DSPF front surface)
1 - 250
196
C
COPY:  DSPF 
(SIDE2)
Copy mode 
(for DSPF back surface)
1 - 250
196
D
SCAN: OC
Scanner mode (for OC)
1 - 250
196
E
SCAN: DSPF 
(SIDE1)
Scanner mode 
(for DSPF front surface)
1 - 250
196
OK
10-key
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1 - 250
196
G
FAX: OC
FAX mode (for OC)
1 - 250
196
H
FAX: DSPF 
(SIDE1)
FAX mode 
(for DSPF front surface)
1 - 250
196
I
FAX: DSPF 
(SIDE2)
FAX mode 
(for DSPF back surface)
1 - 250
196
Item/Display
Content
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range
Default 
value
OK 
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