Sharp MX-6500N / MX-7500N (serv.man11) Service Manual ▷ View online
MX-7500N ADJUSTMENTS AND SETTINGS 5 – 56
Adjustment 2
This adjustment is used to change the gamma and the density in
the Text/Map copy mode.
This adjustment is required in the following cases.
* To change the contrast and the density of the Text/Map copy
This adjustment is used to change the gamma and the density in
the Text/Map copy mode.
This adjustment is required in the following cases.
* To change the contrast and the density of the Text/Map copy
mode images.
* When there is request from the user.
1) Enter the SIM 46-27 mode.
1) Enter the SIM 46-27 mode.
2) Select the mode to be adjusted with the scroll key.
3) Enter the adjustment value with 10-key.
When the adjustment value of the adjustment item E is
changed, the gamma (contrast) is changed.
When the adjustment value is increased, the contrast is
increased, and vice versa.
When the adjustment value of the adjustment item F is
increased, the image density is increased, and vice versa.
changed, the gamma (contrast) is changed.
When the adjustment value is increased, the contrast is
increased, and vice versa.
When the adjustment value of the adjustment item F is
increased, the image density is increased, and vice versa.
4) Press [OK] key.
5) Make a copy in the Text/Map copy mode (manual), and check
5) Make a copy in the Text/Map copy mode (manual), and check
the output print.
If a satisfactory result is not obtained, use SIM46-27 to change the
adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
9-D
(9)
Monochrome (Copy/Scan/FAX) mode color
document reproduction adjustment
(No need to adjust normally)
Monochrome (Copy/Scan/FAX) mode color
document reproduction adjustment
(No need to adjust normally)
Use to adjust the reproducibility for the red image and the yellow
image when printing color document that included the red/yellow
image in monochrome copy mode.
This adjustment is required in the following cases.
* When there is desire to change reproducibility of yellow/red
image when printing color document that included the red/yellow
image in monochrome copy mode.
This adjustment is required in the following cases.
* When there is desire to change reproducibility of yellow/red
image in case of making a color copy of the color document in
monochrome copy mode.
monochrome copy mode.
* When there is request from the user.
1)
1)
Enter the SIM 46-37 mode.
Display/Item
(Copy mode)
Content
Adjust-
ment
range
Default
A
BLACK TEXT
(SLOPE)
(SLOPE)
Black character edge gamma
skew adjustment
skew adjustment
1 - 99
50
B
BLACK TEXT
(INTERCEPT)
(INTERCEPT)
Black character edge density
adjustment
adjustment
1 - 99
50
C
COLOR TEXT
(SLOPE)
(SLOPE)
Color character edge gamma
skew adjustment
skew adjustment
1 - 99
50
D
COLOR TEXT
(INTERCEPT)
(INTERCEPT)
Color character edge density
adjustment
adjustment
1 - 99
50
E
ED TEXT
(SLOPE)
(SLOPE)
Text/Map mode gamma
adjustment (Text/Map mode)
adjustment (Text/Map mode)
1 - 99
50
F
ED TEXT
(INTERCEPT)
(INTERCEPT)
Text/Map mode density
adjustment (Text/Map mode)
adjustment (Text/Map mode)
1 - 99
50
OK
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OK
DEFAULT
EXECUTE
NO
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MX-7500N ADJUSTMENTS AND SETTINGS 5 – 57
2) Select the mode to be adjusted with the scroll key.
3) Enter the adjustment value with 10-key.
When the adjustment value of adjustment item A is increased,
copy density of red image is decreased. When the adjustment
value is decreased, copy density of red image is increased.
When the adjustment value of adjustment item B is increased,
copy density of red image is increased. When the adjustment
value is decreased, copy density of red image is decreased.
copy density of red image is decreased. When the adjustment
value is decreased, copy density of red image is increased.
When the adjustment value of adjustment item B is increased,
copy density of red image is increased. When the adjustment
value is decreased, copy density of red image is decreased.
4) Press [OK] key.
5) Make a copy in monochrome text/printed photo copy mode
5) Make a copy in monochrome text/printed photo copy mode
(manual), check the copy.
If a satisfactory result is not obtained, return to the SIM 46-37
mode and change the adjustment value.
Repeat the above procedures until a satisfactory result is
obtained.
If a satisfactory result is not obtained, return to the SIM 46-37
mode and change the adjustment value.
Repeat the above procedures until a satisfactory result is
obtained.
9-D
(10)
Color copy mode dark area gradation (black
component quantity) adjustment
(No need to adjust normally)
Color copy mode dark area gradation (black
component quantity) adjustment
(No need to adjust normally)
Use to adjust the black ingredient amount in the color copy mode.
(except character and line image)
As a result of this adjustment, the gradation of the shade part
changes.
This adjustment is required in the following cases.
* When reproduction as solid of black image is required.
* To make the black background and the dark area darker
* When change of gradation of the shade part is required.
* When there is request from the user.
1) Enter the SIM 46-38 mode.
(except character and line image)
As a result of this adjustment, the gradation of the shade part
changes.
This adjustment is required in the following cases.
* When reproduction as solid of black image is required.
* To make the black background and the dark area darker
* When change of gradation of the shade part is required.
* When there is request from the user.
1) Enter the SIM 46-38 mode.
2)
Select the AUTO MODE or the MANUAL MODE with the mode
key.
key.
3)
Select the mode to be adjusted with the scroll key.
Display/Item
(Copy mode)
Content
Adjustment
range
Default
A
R/G
Gray making setting (R/G)
0 - 99
21
B
B/G
Gray making setting (B/G)
0 - 99
0
(-)LUT2
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Display/Item (Copy mode)
Select button
Content
Default
MANUAL
TEXT PRT
(-) LUT2
Text print
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
TEXT
(-) LUT2
Text (Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
PRINTED
PHOTO
(-) LUT2
Printed photo
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
PHOTO
(-) LUT2
Photograph/
Text
photograph
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
TEXT PHOTO
(-) LUT2
Text/
Photograph
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
MAP
(-) LUT2
Map (Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
CP ORG/
TEXT PRT
(-) LUT2
Copy
document/
Text printed
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
COPY ORG/
TEXT
(-) LUT2
Copy
document/
Text (Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
COPY ORG/
PHOTO
(-) LUT2
Copy
document/
Printed photo
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
LIGHT
ORIGINAL
(-) LUT2
Light
document
(Manual)
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
MX-7500N ADJUSTMENTS AND SETTINGS 5 – 58
4) Press the black ingredient amount select button.
When reproduction as solid of black image is required:
Selects + button
When there is desire to darken copy of black image:
Selects + button
When a dark color image is reproduced in the black:
Selects - button
Selects + button
When there is desire to darken copy of black image:
Selects + button
When a dark color image is reproduced in the black:
Selects - button
5) Make a copy in color copy mode and check the copy.
If a satisfactory result is not obtained, return to the SIM 46-38 mode
and change the adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
If a satisfactory result is not obtained, return to the SIM 46-38 mode
and change the adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
9-D
(11)
Color (Copy/Scan) mode sharpness
adjustment (No need to adjust normally)
Color (Copy/Scan) mode sharpness
adjustment (No need to adjust normally)
Use for sharpness adjustment of the high density image in color
copy mode.
This adjustment changes smoothness (asperity) in the image
shade part.
This adjustment is required in the following cases.
* When changing the sharpness of copy image in copy mode.
copy mode.
This adjustment changes smoothness (asperity) in the image
shade part.
This adjustment is required in the following cases.
* When changing the sharpness of copy image in copy mode.
(obtain crispy image) (decreases moire)
* When there is desire to improving smoothness in the image
shade part (for decrease of asperity)
* To make the black background and the dark area darker.
* To reproduce the gradation change in the dark area.
* When there is request from the user.
1)
* To reproduce the gradation change in the dark area.
* When there is request from the user.
1)
Enter the SIM 46-60 mode.
AUTO
AUTO0
(-) LUT2
Auto mode
judgment 0
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO1
(-) LUT2
Auto mode
judgment 1
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO2 (-)
LUT2
Auto
mode
judgment 2
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO3
(-) LUT2
Auto mode
judgment 3
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO4
(-) LUT2
Auto mode
judgment 4
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO5
(-) LUT2
Auto mode
judgment 5
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
AUTO6
(-) LUT2
Auto mode
judgment 6
NORMAL
(-) LUT1
NOMAL
(+) LUT1
(+) LUT2
(+) LUT2
Display/Item (Copy mode)
Select button
Content
Default
OK
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MX-7500N ADJUSTMENTS AND SETTINGS 5 – 59
2) Select the mode to be adjusted with the scroll key.
3) Input numeric value corresponding to sharpness level (filter
process mode).
- Adjustment item A:
- Adjustment item A:
When selecting AUTO, filter is selected according to dot pat-
tern state automatically and adjusts sharpness.
Input small numeric value to obtain crispy image. Input large
numeric value to decrease moire.
tern state automatically and adjusts sharpness.
Input small numeric value to obtain crispy image. Input large
numeric value to decrease moire.
- Adjustment item B:
Select HIGH to obtain clear images. Select SOFT to reduce
moire.
moire.
- Adjustment item C - J:
When setting ON, smoothness in the image shade part
improves by applying soft filter. (asperity decreases)
improves by applying soft filter. (asperity decreases)
4) Press [OK] key.
5) Make a copy and check the copy image.
If a satisfactory result is not obtained, return to the SIM 46-60 mode
and change the adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
5) Make a copy and check the copy image.
If a satisfactory result is not obtained, return to the SIM 46-60 mode
and change the adjustment value.
Repeat the above procedures until a satisfactory result is obtained.
9-D
(12)
Copy high density image density
reproduction setting (Normally
unnecessary to the setting change)
Copy high density image density
reproduction setting (Normally
unnecessary to the setting change)
If a tone gap occurs on part of high density in copy mode, or if there
is necessity to increase the density of the part of high density,
change the setting.
This setting is normally not required. When, however, there are
case of following, change the setting.
* When a tone gap occurs on part of high density.
* When there is a necessity to increase the density of the part of
is necessity to increase the density of the part of high density,
change the setting.
This setting is normally not required. When, however, there are
case of following, change the setting.
* When a tone gap occurs on part of high density.
* When there is a necessity to increase the density of the part of
high density.
* When there is request from the user.
a. Adjustment procedure
1)
1)
Enter the SIM 46-23 mode.
Display/Item
Content
Setting range
Default
NOTE
A
SCREEN FILTER
LEVEL
LEVEL
H
Sharpness (filter) adjustment of dot pattern
image in auto copy mode
image in auto copy mode
Strong emphasis
1
3 (Auto)
Apply to auto copy mode
only
only
L
Soft emphasis
2
AUTO
Auto
3
B
AUTOMODE
FILTER LEVEL
FILTER LEVEL
SOFT
Sharpness (filter) adjustment for the auto
copy mode
copy mode
SOFT
1
2
(CENTER)
CENTER
CENTER
2
HIGH
HIGH
3
C
COLOR COPY:
CMY
CMY
OFF
Soft filter applying setting to C, M, Y image
in color copy mode
in color copy mode
OFF
0
1 (ON)
Available for the high
density image except
text and line image
density image except
text and line image
ON
ON
1
D
COLOR COPY:K
OFF
Soft filter applying setting to K image in
color copy mode
color copy mode
OFF
0
1 (ON)
ON
ON
1
E
SINGLE COLOD:
CMY
CMY
OFF
Soft filter applying setting to C, M, Y image
in single color copy mode
in single color copy mode
OFF
0
1 (ON)
When setting ON,
smoothness in the image
shade part improves by
applying soft filter.
(asperity decreases)
smoothness in the image
shade part improves by
applying soft filter.
(asperity decreases)
ON
ON
1
F
2 COLOR COPY:
CMY
CMY
OFF
Soft filter applying setting to C, M, Y image
in 2-color copy mode
in 2-color copy mode
OFF
0
1 (ON)
ON
ON
1
G
2 COLOR COPY:
K
K
OFF
Soft filter applying setting to K image in
color copy mode
color copy mode
OFF
0
1 (ON)
ON
ON
1
H
B/W COPY
OFF
Soft filter applying setting in monochrome
copy mode
copy mode
OFF
0
1 (ON)
ON
ON
1
I
COLOR PUSH:
RGB
RGB
OFF
Soft filter applying setting to image in push
scan color mode
scan color mode
OFF
0
1 (ON)
ON
ON
1
J
B/W PUSH
OFF
Soft filter applying setting to image in push
scan monochrome mode
scan monochrome mode
OFF
0
1(ON)
ON
ON
1
OK
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