MX-M905 (serv.man2). Service Manual (Revised May 2017). - Sharp Copying Equipment Service Manual (repair manual). Page 117

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MX-M905  ADJUSTMENTS  5 – 77
 
ADJ 12
Image send, FAX send mode 
image quality adjustment
 
12-A
Color image send mode, image density and 
gradation adjustment (by each mode)
Normally, there is no need to perform this adjustment. In the follow-
ing cases, however, this adjustment must be performed. 
* When the user requests to perform the adjustment.
* When there is a defective copy in a scan image.
* When the scan image density is too light.
1)
Enter the Sim. 46-4 mode. 
2)
Select a mode to be adjusted with the scroll button.
3)
Enter the adjustment value with 10-key, and press [OK] button.
When the adjustment value is increased, the image density is
increased. When the adjustment value is decreased, the
image density is decreased.
4)
Scan the color document in the color scan mode (Scan to PC
or Scan to e-Mail), and check the density of the received
image. 
Check can be made also in the copy mode by the following
procedure. The scanned image, however, is in monochrome. 
4) Press [CLOSE] button in the simulation mode to jump to the
normal copy mode, and make a copy and check the adjust-
ment result.
Switch alternatively between the simulation mode and the nor-
mal copy mode, and adjust and check the adjustment result
with an actual copy.
Repeat the procedures 3 and 4 until a satisfactory result is
obtained.
 
12-B
Monochrome image send mode, image 
density and gradation adjustment 
(by each mode)
Normally, there is no need to perform this adjustment. In the follow-
ing cases, however, this adjustment must be performed. 
* When the user requests to perform the adjustment.
* When there is a defective copy in a scan image.
* When the scan image density is too light.
1)
Enter the Sim. 46-5 mode. 
2)
Select a mode to be adjusted with the scroll button.
3)
Enter the adjustment value with 10-key, and press [OK] button.
When the adjustment value is increased, the image density is
increased. When the adjustment value is decreased, the
image density is decreased.
4)
Scan a monochrome document in the color scan mode (Scan
to PC or Scan to e-Mail), and check the density of the received
image.
Check can be made also in the copy mode by the following
procedure.
4) Press [CLOSE] button in the simulation mode to jump to the
normal copy mode, and make a copy and check the adjust-
ment result.
Switch alternatively between the simulation mode and the nor-
mal copy mode, and adjust and check the adjustment result
with an actual copy.
Repeat the procedures 3 and 4 until a satisfactory result is 
obtained.
 
12-C
Image send mode, image gray balance 
adjustment
Normally, there is no need to perform this adjustment. In the follow-
ing cases, however, this adjustment must be performed. 
* When the user requests to perform the adjustment.
* When the scan image gray balance is defective. 
1)
Enter the Sim. 46-8 mode. 
2)
Select a color to be adjusted with [R], [G], [B] buttons.
3)
Select a mode (low density section or high density section) to
be adjusted with the scroll button.
4)
Enter the adjustment value with 10-key, and press [OK] key.
To increase the density of the target color, increase the adjust-
ment value. To decrease the density of the target color,
decrease the adjustment value.
5)
Scan a color document in the color scan mode (Scan to PC or
Scan to e-Mail), and check the density of the received image. 
Check can be made also in the copy mode by the following
procedure. The scanned image, however, is in monochrome. 
 Item/
Mode
Display
Document 
mode
Setting 
rage
Default 
value
A
LOW
AUTO
Auto
1 - 99
50
B
TEXT
Text
1 - 99
50
C
TEXT/
PRINTEDPHOTO
Text/Printed 
Photo
1 - 99
50
D
TEXT/PHOTO
Text/
Photograph
1 - 99
50
E
PRINTED PHOTO
Printed photo
1 - 99
50
F
PHOTOGRAPH
Photograph
1 - 99
50
G
MAP
Map
1 - 99
50
H
RIP
-
1  -  99
50
A
HIGH
AUTO
Auto
1 - 99
50
B
TEXT
Text
1 - 99
50
C
TEXT/PRINTED 
PHOTO
Text/Printed 
Photo
1 - 99
50
D
TEXT/PHOTO
Text/
Photograph
1 - 99
50
E
PRINTED PHOTO
Printed photo
1 - 99
50
F
PHOTOGRAPH
Photograph
1 - 99
50
G
MAP
Map
1 - 99
50
H
RIP
-
1  -  99
50
 Item/
Mode
Display
Document 
mode
Setting 
rage
Default 
value
A
LOW
AUTOTEXT
Auto/Text
1 - 99
50
B
TEXT
Text
1 - 99
50
C
TEXT/PRINTED 
PHOTO
Text/Printed 
Photo
1 - 99
50
D
TEXT/PHOTO
Text/
Photograph
1 - 99
50
E
PRINTED PHOTO
Printed photo
1 - 99
50
F
PHOTOGRAPH
Photograph
1 - 99
50
G
MAP
Map
1 - 99
50
H
RIP
-
1 - 99
50
A
HIGH
AUTOTEXT
Auto/Text
1 - 99
50
B
TEXT
Text
1 - 99
50
C
TEXT/PRINTED 
PHOTO
Text/Printed 
Photo
1 - 99
50
D
TEXT/PHOTO
Text/
Photograph
1 - 99
50
E
PRINTED PHOTO
Printed photo
1 - 99
50
F
PHOTOGRAPH
Photograph
1 - 99
50
G
MAP
Map
1 - 99
50
H
RIP
-
1 - 99
50
Display/Item
Content
Setting 
range
Default
A
LOW DENSITY 
POINT
Low density section 
gray balance 
adjustment value
1 - 99
50
B
HIGH DENSITY 
POINT
High density section 
gray balance 
adjustment value
1 - 99
50
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