DOWNLOAD Sharp MX-M905 (serv.man2) Service Manual ↓ Size: 90.97 MB | Pages: 127 in PDF or view online for FREE

Model
MX-M905 (serv.man2)
Pages
127
Size
90.97 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service Manual (Revised May 2017).
File
mx-m905-sm2.pdf
Date
PREV: Sharp MX-M905 Handy Guide

Sharp MX-M905 (serv.man2) Service Manual ▷ View online

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
MX-M905  ADJUSTMENTS  5 – 78
5) 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-D
FAX send mode, image sharpness 
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 sharpness in the FAX send mode is too low.
Note:
Normally this adjustment value may be set to the default and there
is no need to perform the adjustment. When, however, the sharp-
ness of a printed image on the receiving FAX side to too low, per-
form this adjustment.
When performing this adjustment, be sure to check that the receiv-
ing side FAX is normal. 
1)
Enter the Sim. 46-39 mode. 
2)
Select a mode to be adjusted with the scroll button.
3)
Enter the adjustment value with 10-key, and press [OK] button.
To increase the sharpness, increase the adjustment value. To
decrease the sharpness, decrease the adjustment value.
4)
Send a FAX message.
5)
Check the sharpness of the received FAX image.
Repeat the above procedures until a satisfactory result is 
obtained.
 
ADJ 13
FAX send mode image quality 
adjustment
Normally this adjustment is not required. However, perform this
adjustment in the following cases:
* When the user request for performing this adjustment.
* When the FAX send image density is low or high.
NOTE:
Normally, the adjustment value may be set to the default value and
there is no need to make this adjustment. When, however, the
image density on the receiving FAX side is unsatisfactory, perform
this adjustment. 
Before execution of this adjustment, however, be sure to confirm
that the receiving FAX operates normally.
 
13-A
Image density and gradation adjustment in 
the FAX send mode (Collective adjustment 
of all the FAX modes)
1)
Enter the Sim. 46-40 mode, and select the I-FAX or FAX.
2)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
3)
Check the print density in the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory,
perform the following procedure. 
4)
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. 
Repeat the procedures 2 thru 4 until a satisfactory result is
obtained.
 
13-B
Image density and gradation adjustment in 
the FAX send mode (Normal mode)
1)
Enter the Sim. 46-41 mode, and select the I-FAX or FAX.
2)
Select a mode to be adjusted with the scroll button.
3)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
4)
Check the print density of the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory, 
perform the following procedure.
5)
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. 
Repeat the procedures 3 thru 5 until a satisfactory result is
obtained.
To select the exposure mode actually used in the FAX send
mode, select item G and enter the set value corresponding to
the exposure mode with 10-key and press [EXECUTE] button.
Display/Item
Content
Setting 
range
Default
A
200 X 100 [DPI] OFF
200 X 100 [DPI] 
Half-tone OFF mode
0 - 2
1
B
200 X 200 [DPI] OFF
200 X 200 [DPI] 
Half-tone OFF mode
0 - 2
1
C
200 X 200 [DPI] ON
200 X 200 [DPI] 
Half-tone ON mode
0 - 2
1
D
200 X 400 [DPI] OFF
200 X 400 [DPI] 
Half-tone OFF mode
0 - 2
1
E
200 X 400 [DPI] ON
200 X 400 [DPI] 
Half-tone ON mode
0 - 2
1
F
400 X 400 [DPI] OFF
400 X 400 [DPI] 
Half-tone OFF mode
0 - 2
1
G
400 X 400 [DPI] ON
400 X 400 [DPI] 
Half-tone ON mode
0 - 2
1
H
600 X 600 [DPI] OFF
600 X 600 [DPI] 
Half-tone OFF mode
0 - 2
1
I
600 X 600 [DPI] ON
600 X 600 [DPI] 
Half-tone ON mode
0 - 2
1
Display/Item
Content
Setting 
range
Default
A
AUTO
FAX auto exposure mode 
send image density 
(Normal mode)
1 - 99
50
B
EXPOSURE1
FAX exposure level 1 send 
image density 
(Normal mode)
1 - 99
50
C
EXPOSURE2
FAX exposure level 2 send 
image density 
(Normal mode)
1 - 99
50
D
EXPOSURE3
FAX exposure level 3 send 
image density 
(Normal mode)
1 - 99
50
E
EXPOSURE4
FAX exposure level 4 send 
image density 
(Normal mode)
1 - 99
50
F
EXPOSURE5
FAX exposure level 5 send 
image density 
(Normal mode)
1 - 99
50
G
EXECUTE 
MODE
AUTO
1
1
(AUTO)
EXP1
2
EXP2
3
EXP3
4
EXP4
5
EXP5
6
MX-M905  ADJUSTMENTS  5 – 79
 
13-C
Image density and gradation adjustment in 
the FAX send mode (Fine mode)
1)
Enter the Sim. 46-42 mode, and select the I-FAX or FAX.
2)
Select a mode to be adjusted with the scroll button.
3)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
4)
Check the print density of the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory,
perform the following procedure.
5)
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. 
Repeat the procedures 3 thru 5 until a satisfactory result is
obtained.
To select the exposure mode actually used in the FAX send
mode, select item M and enter the set value corresponding to
the exposure mode with 10-key and press [EXECUTE] button
 
13-D
Image density and gradation adjustment in 
the FAX send mode (Super fine mode)
1)
Enter the Sim. 46-43 mode.
2)
Select a mode to be adjusted with the scroll button.
3)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
4)
Check the print density of the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory,
perform the following procedure.
5)
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. 
Repeat the procedures 3 thru 5 until a satisfactory result is
obtained.
To select the exposure mode actually used in the FAX send
mode, select item M and enter the set value corresponding to
the exposure mode with 10-key and press [EXECUTE] button. 
Display/Item
Content
Setting 
range
Default
A
AUTO
FAX auto exposure mode 
send image density 
(Fine mode)
1 - 99
50
B
EXPOSURE1
FAX exposure level 1 send 
image density (Fine mode)
1 - 99
50
C
EXPOSURE2
FAX exposure level 2 send 
image density (Fine mode)
1 - 99
50
D
EXPOSURE3
FAX exposure level 3 send 
image density (Fine mode)
1 - 99
50
E
EXPOSURE4
FAX exposure level 4 send 
image density (Fine mode)
1 - 99
50
F
EXPOSURE5
FAX exposure level 5 send 
image density (Fine mode)
1 - 99
50
G
AUTO   
H_TONE
FAX auto exposure mode 
send image density 
(Half-tone/Fine mode)
1 - 99
50
H
EXPOSURE1 
H_TONE 
FAX exposure level 1 send 
image density 
(Half-tone/Fine mode)
1 - 99
50
I
EXPOSURE2 
H_TONE 
FAX exposure level 2 send 
image density 
(Half-tone/Fine mode)
1 - 99
50
J
EXPOSURE3 
H_TONE
FAX exposure level 3 send 
image density 
(Half-tone/Fine mode)
1 - 99
50
K
EXPOSURE4 
H_TONE
FAX exposure level 4 send 
image density 
(Half-tone/Fine mode)
1 - 99
50
L
EXPOSURE5 
H_TONE
FAX exposure level 5 send 
image density 
(Half-tone/Fine mode)
1 - 99
50
M EXECUTE 
MODE
AUTO
1
1 
(AUTO)
EXP1
2
EXP2
3
EXP3
4
EXP4
5
EXP5
6
AUTO  H_TONE
7
EXP1  H_TONE
8
EXP2  H_TONE
9
EXP3  H_TONE
10
EXP4  H_TONE
11
EXP5  H_TONE
12
Display/Item
Content
Setting 
range
Default
A
AUTO
FAX auto mode send image 
density (Super fine mode)
1 - 99
50
B
EXPOSURE1
FAX exposure level 1 send 
image density 
(Super fine mode)
1 - 99
50
C
EXPOSURE2
FAX exposure level 2 send 
image density 
(Super fine mode)
1 - 99
50
D
EXPOSURE3
FAX exposure level 3 send 
image density 
(Super fine mode)
1 - 99
50
E
EXPOSURE4
FAX exposure level 4 send 
image density 
(Super fine mode)
1 - 99
50
F
EXPOSURE5
FAX exposure level 5 send 
image density 
(Super fine mode)
1 - 99
50
G
AUTO
H_TONE
FAX auto exposure mode 
send image density 
(Half-tone/Super fine mode)
1 - 99
50
H
EXPOSURE1 
H_TONE
FAX exposure level 1 send 
image density 
(Half-tone/Super fine mode)
1 - 99
50
I
EXPOSURE2 
H_TONE
FAX exposure level 2 send 
image density 
(Half-tone/Super fine mode)
1 - 99
50
J
EXPOSURE3 
H_TONE
FAX exposure level 3 send 
image density 
(Half-tone/Super fine mode)
1 - 99
50
K
EXPOSURE4 
H_TONE
FAX exposure level 4 send 
image density 
(Half-tone/Super fine mode)
1 - 99
50
L
EXPOSURE5 
H_TONE
FAX exposure level 5 send 
image density 
(Half-tone/Super fine mode)
1 - 99
50
M EXECUTE 
MODE
AUTO
1
1
(AUTO)
EXP1
2
EXP2
3
EXP3
4
EXP4
5
EXP5
6
AUTO  H_TONE
7
EXP1  H_TONE
8
EXP2  H_TONE
9
EXP3  H_TONE
10
EXP4  H_TONE
11
EXP5  H_TONE
12
MX-M905  ADJUSTMENTS  5 – 80
 
13-E
Image density and gradation adjustment in 
the FAX send mode (Ultra fine mode)
1)
Enter the Sim. 46-44 mode.
2)
Select a mode to be adjusted with the scroll button.
3)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
4)
Check the print density of the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory,
perform the following procedure.
5)
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. 
Repeat the procedures 3 thru 5 until a satisfactory result is
obtained. 
To select the exposure mode actually used in the FAX send
mode, select item M and enter the set value corresponding to
the exposure mode with 10-key and press [EXECUTE] button. 
Enter the adjustment value with 10-key, and press [EXECUTE]
button. 
 
13-F
Image density and gradation adjustment in 
the IFAX send mode (600dpi mode)
1)
Enter the Sim. 46-45 mode.
2)
Select a mode to be adjusted with the scroll button.
3)
Press [EXECUTE] button. 
The adjustment pattern is printed. 
4)
Check the print density of the adjustment pattern. 
If the print density of the adjustment pattern is unsatisfactory,
perform the following procedure.
5)
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. 
Repeat the procedures 3 thru 5 until a satisfactory result is
obtained.
To select the exposure mode actually used in the FAX send
mode, select item M and enter the set value corresponding to
the exposure mode with 10-key and press [EXECUTE] button. 
Display/Item
Content
Setting 
range
Default
A
AUTO
FAX auto exposure mode 
send image density 
(Ultra fine mode)
1 - 99
50
B
EXPOSURE1
FAX exposure level 1 send 
image density 
(Ultra fine mode)
1 - 99
50
C
EXPOSURE2
FAX exposure level 2 send 
image density 
(Ultra fine mode)
1 - 99
50
D
EXPOSURE3
FAX exposure level 3 send 
image density 
(Ultra fine mode)
1 - 99
50
E
EXPOSURE4
FAX exposure level 4 send 
image density 
(Ultra fine mode)
1 - 99
50
F
EXPOSURE5
FAX exposure level 5 send 
image density 
(Ultra fine mode)
1 - 99
50
G
AUTO
H_TONE
FAX auto exposure mode 
send image density 
(Half-tone/Ultra fine mode)
1 - 99
50
H
EXPOSURE1 
H_TONE
FAX exposure level 1 send 
image density 
(Half-tone/Ultra fine mode)
1 - 99
50
I
EXPOSURE2 
H_TONE
FAX exposure level 2 send 
image density 
(Half-tone/Ultra fine mode)
1 - 99
50
J
EXPOSURE3 
H_TONE
FAX exposure level 3 send 
image density 
(Half-tone/Ultra fine mode)
1 - 99
50
K
EXPOSURE4 
H_TONE
FAX exposure level 4 send 
image density
(Half-tone/Ultra fine mode)
1 - 99
50
L
EXPOSURE5 
H_TONE
FAX exposure level 5 send 
image density 
(Half-tone/Ultra fine mode)
1 - 99
50
M EXECUTE 
MODE
AUTO
1
1
(AUTO)
EXP1
2
EXP2
3
EXP3
4
EXP4
5
EXP5
6
AUTO  H_TONE
7
EXP1  H_TONE
8
EXP2  H_TONE
9
EXP3  H_TONE
10
EXP4  H_TONE
11
EXP5  H_TONE
12
Display/Item
Content
Setting 
range
Default
A
AUTO
IFAX 600dpi mode/
Auto exposure mode send 
image density
1 - 99
50
B
EXPOSURE1
IFAX 600dpi mode/Exposure 
level 1 send image density 
1 - 99
50
C
EXPOSURE2
IFAX 600dpi mode/Exposure 
level 2 send image density
1 - 99
50
D
EXPOSURE3
IFAX 600dpi mode/Exposure 
level 3 send image density 
1 - 99
50
E
EXPOSURE4
IFAX 600dpi mode/Exposure 
level 4 send image density 
1 - 99
50
F
EXPOSURE5
IFAX 600dpi mode/Exposure 
level 5 send image density
1 - 99
50
G
AUTO 
H_TONE
IFAX 600dpi half-tone mode/
Auto exposure mode send 
image density
1 - 99
50
H
EXPOSURE1 
H_TONE
IFAX 600dpi half-tone mode/
Exposure level 1 send image 
density
1 - 99
50
I
EXPOSURE2 
H_TONE
IFAX 600dpi half-tone mode/
Exposure level 2 send image 
density
1 - 99
50
J
EXPOSURE3 
H_TONE
IFAX 600dpi half-tone mode/
Exposure level 3 send image 
density
1 - 99
50
K
EXPOSURE4 
H_TONE
IFAX 600dpi half-tone mode/
Exposure level 4 send image 
density
1 - 99
50
L
EXPOSURE5 
H_TONE
IFAX 600dpi half-tone mode/
Exposure level 5 send image 
density
1 - 99
50
M EXECUTE
MODE
AUTO
1
1
(AUTO)
EXP1
2
EXP2
3
EXP3
4
EXP4
5
EXP5
6
AUTO  H_TONE
7
EXP1  H_TONE
8
EXP2  H_TONE
9
EXP3  H_TONE
10
EXP4  H_TONE
11
EXP5  H_TONE
12
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