Read Sharp AR-C170 (serv.man31) Service Manual online
AR-C170M PRINTER CONTROLLER SECTION 14 - 12
(2) Custom Settings
a. Color Rendering
Color matching is set.
Setting value:
• [CMM Off]; No color matching. UCR select is invalid.
• [Perceptual Match (Photo)]; Used to print continuous grada-
tion images (photo images, etc.).
All colors (Colors within and outside printer color reproduction
gamut) are equally color-mapped.
All colors (Colors within and outside printer color reproduction
gamut) are equally color-mapped.
• [Colorimetric Match]; Used to print in colors which are close to
displayed colors.
Colors which are close to displayed colors are reproduced. Col-
ors outside the reproduction gamut are color-mapped by colori-
metric match.
Colors within printer color reproduction gamut are so color-
mapped that the color difference from CRT is minimized when
print. Colors outside printer color reproduction gamut are color-
mapped by colorimetric match.
UCR select is invalid.
Colors which are close to displayed colors are reproduced. Col-
ors outside the reproduction gamut are color-mapped by colori-
metric match.
Colors within printer color reproduction gamut are so color-
mapped that the color difference from CRT is minimized when
print. Colors outside printer color reproduction gamut are color-
mapped by colorimetric match.
UCR select is invalid.
• [Saturation Match]; Used to print graphical presentation docu-
ments by saturation match.
Colors within printer color reproduction gamut are so color-
mapped that the color difference from CRT is minimized when
print. Colors outside printer color reproduction gamut are color-
mapped by saturation match.
Colors within printer color reproduction gamut are so color-
mapped that the color difference from CRT is minimized when
print. Colors outside printer color reproduction gamut are color-
mapped by saturation match.
• [SHARP Color]*; Used to print photo images and graphic
images together.
Colors are reproduced to express intermediate color reproduc-
tion gamut between Perceptual Match and Saturation Match.
Color-mapped to have intermediate color reproduction gamut
between Perceptual Match and Saturation Match.
Colors are reproduced to express intermediate color reproduc-
tion gamut between Perceptual Match and Saturation Match.
Color-mapped to have intermediate color reproduction gamut
between Perceptual Match and Saturation Match.
• [Perceptual Match (Web)]; Used to print Web page images.
Color matching is performed so that the overall saturation of an
image is reduced and the high-density gamut is widened than
Perceptual mode.
All colors (Colors within and outside printer color reproduction
gamut) are equally color-mapped.
image is reduced and the high-density gamut is widened than
Perceptual mode.
All colors (Colors within and outside printer color reproduction
gamut) are equally color-mapped.
Note:
This process is done by PJL output.
b. UCR Selection
The ratio to use black toner is set.
Setting value:
• [Low Black]; To output gray tint of photo which is difficult to
reproduce.
• [Standard]* ; For photo
• [High Black]; For CAD and graphs
Restriction:
• If "Color Rendering" item is set to "Colorimetric Match" or "CMM
OFF," this item is invalid.
Note:
This process is done by PJL output.
c. Black Overprint
When the background is color, whether black characters are over-
printed is set.
printed is set.
Setting value:
• [Off]*
• [On]
Note:
This process is done by PJL output.
d. Screening
Color matching is set.
Setting value:
• [Automatic]*; Automatically checks type of each area of the
image (photo or text/graphics), and output the image by chang-
ing halftone accoding to each area.
ing halftone accoding to each area.
• [Photo]; Outputs all areas by halftone for photo.
• [Text/Graphics]; Ouputs all areas by halftone for text/grahics.
Note:
This process is done by PJL output.
e. Pure Black Text
Select whether to print black text with only black toner.
Setting value:
• [Off ]; Print black text with CMYK toners.
• [On]* ; Print black text with only black toner.
(3) Installed RAM VS. Color Mode VS. Print Priority
Memory size: [128 MB RAM / 128 MB RAM]* [256 MB RAM /
256 MB RAM] [384 MB RAM / 384 MB RAM] [512 MB RAM / 512
MB RAM] [640 MB RAM / 640 MB RAM]
256 MB RAM] [384 MB RAM / 384 MB RAM] [512 MB RAM / 512
MB RAM] [640 MB RAM / 640 MB RAM]
There are the following restrictions among Installed RAM, Color
Mode, and Print Priority by the restriction of the printer side. As for
these restrictions, the former set is preceded and the use of other
competitive settings is prohibited. When each setting is restricted
(grayout), the Information Icon is displayed to the left of each set-
ting item. If clicking such icon, the following information is dis-
played to the type 1 dialog box.
Mode, and Print Priority by the restriction of the printer side. As for
these restrictions, the former set is preceded and the use of other
competitive settings is prohibited. When each setting is restricted
(grayout), the Information Icon is displayed to the left of each set-
ting item. If clicking such icon, the following information is dis-
played to the type 1 dialog box.
When Installed Memory setting is 128MB:
• When the Color Mode item is set to Color/Automatic, the Print
Priority item is fixed to Speed, and it is grayed out. (Default set-
ting)
ting)
• When the Print Priority item is set Quality, the Color Mode item
is fixed to Gray Scale, and it is grayed out.
The Alert contents to the Print Priority item:
“To use this feature, set ‘Installed RAM’ to ‘256 MB RAM’ or more
(see Configuration tab), or set ‘Color Mode’ to ‘Gray Scale’ (see
Color tab).”
(see Configuration tab), or set ‘Color Mode’ to ‘Gray Scale’ (see
Color tab).”
The Alert contents to the Color Mode item:
“To use this feature, set ‘Installed RAM’ to ‘256 MB RAM’ or more
(see Configuration tab), or set ‘Print Priority’ to ‘Speed’ (see Color
tab).”
(see Configuration tab), or set ‘Print Priority’ to ‘Speed’ (see Color
tab).”
Color Mode
Print
Priority
Document
Style
Installed Memory
128MB
256MB or
more
Color/
Automatic
Quality
1-Sided
X
O
2-Sided
X
O
Speed
1-Sided
O
O
2-Sided
O
O
Gray Scale
Quality
1-Sided
O
O
2-Sided
O
O
Speed
1-Sided
O
O
2-Sided
O
O
Gray Scale
Quality
1-Sided
O
O
2-Sided
O
O
Speed
1-Sided
O
O
2-Sided
O
O
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