The
Sheridan Group will accept the submission of Microsoft
Office
files for incorporation into pages for electronically
composed publications. Our objective is to use submitted
Office files whenever possible and to reproduce files
as true as possible to the originator's intended
appearance.
The Microsoft
Office suite of programs was designed to generate
on-screen display, presentations, and reproduction.
Because of
this fundamental development effort, these programs
are not built to support the requirements of
print reproduction. Before
preparing MS Office documents, please review
some common
questions related to MS Office.These
guidelines are intended to improve awareness
of successful digital art file preparation methods
and to convey
optimal characteristics for submitted digital
art files. As a consequence of observing recommended
specifications,
a greater opportunity to use original submitted
digital
art files can be expected. As well, the ability
to render art in print may satisfy more favorably
the expectations of the author/creator.
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Use
of fill effects (that is, pattern fills) is not
recommended. Alternatively, fills should be defined
using solid fill colors only.
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Raster
images can be classified as either monochrome,
tone, or combination tone. It is important to
maintain minimum resolution settings for each
file type. Low resolution images are one of the
leading causes of art resubmission and schedule
delays. Monochrome (1-bit)
images, typically scanned from line art and/or
text originals, are comprised of a single bit
of data. Since each bit (binary digit) can be
represented only as either a zero or a one, pixels
within a monochrome image can have only two states:
black or white. Monochrome images generally require
higher resolution (more pixels per inch) than
tone images in order to prevent aliasing (stairstepped
appearance) of diagonal lines. The suggested
minimum resolution for this type of image is
between 900 and 1200 dpi. See the chart below
for details. Tones,
typically captured from continuous-tone photographs,
are comprised of 8-bit data (represented as 256
different levels for grayscale images). Color
tones contain eight bits of data per channel
(i.e., per color); thus, a CMYK tone contains
32 bits of information (and 256 levels each for
cyan, magenta, yellow, and black). The suggested
minimum resolution for this type of image is
300 dpi. See the chart below for details. Combination
tones contain both tone and text/line art
elements. Consequently, like tones, combination
tones are comprised of 8-bits of data per color
channel. Thus, combination tones are saved
as either grayscale or CMYK color mode. Because
combination tones contain text/line art elements,
however, the level of resolution employed must
be compromised to address aliasing versus physical
file size. The suggested minimum resolution
for this type of image is between 500 and 900
dpi. See the chart below for details.
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TYPE
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EXAMPLE
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FORMAT
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COLOR
MODE
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RESOLUTION
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Tiff
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Monochrome
1-bit
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900
- 1200dpi
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Tiff
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Grayscale
or CMYK
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300dpi
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Tiff/EPS
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Grayscale
or CMYK
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500
- 900 dpi
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More
information on Guidelines for Digital Art
More
Information on Image Resolution
More
Information on Effective Image Resolution
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- Base
fonts only are recommended (Courier, Courier-Bold,
Courier-BoldOblique, Courier-Oblique, Helvetica,
Helvetica-Bold, Helvetica-BoldOblique, Helvetica-Oblique,
Symbol, Times-Roman, Times-Bold, Times-BoldItalic,
Times-Italic, ZapfDingbats).
- Type
1 fonts are recommended over TrueType. TrueType
use, if necessary, should be restricted to
the current MSOffice font set.
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More
information on Fonts
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- A
clean proof same size as the digital art
should accompany file submission—for color
images. The supplied proof should be color.
- To
ensure color match, the accompanying proof
should be generated using a SWOP-certified
(Specifications Web Offset Publications) proofing
system and should be produced in accordance
with the SWOP ADS (Application Data Sheet).
- In
case that the digital art file cannot be used
as provided, or the file cannot be converted/modified,
the supplied proof will serve as original art
for scanning.
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More
Information on Proofing
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