B245/B276/B277/B268/B269 Service Manual 18-Jan-06
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All modes can be customized with a range of SP modes that can be adjusted to meet
user requirements.
The user can select the mode that best suits their original with the following user tool:
Original Type: User Tools – Copier Features – Image Adjustment
Original Type Mode Targeted Original Type
Normal Normal text originals
Tex t
Sharp
Newspapers, originals through which the rear side
is moderately visible as faint text.
Photo priority
Text/photo images which contain mainly photo
areas
Text priority Text/photo images which contain mainly text areas
Photo
Photographs Actual photographs
Unneeded
background
Originals through which the rear side is extremely
visible (or have a colored background) with faint
text. Also for originals with very grainy backgrounds
(some newspapers) and faint text.
Colored text Originals with colored text and lines.
Normal Pixel Photo
Photo images created by dither patterns (dots
visible), such as newspaper photos – normal
resolution.
Coarse Pixel Photo
Photo images created by dither patterns (dots
visible), such as newspaper photos – coarse
resolution.
Special
Preserved
Background (Normal
Tex t)
Use instead of Normal Text if, e.g. an embedded
white area causes Auto Image Density to initially
remove the surrounding (darker) background but
leave the rest. Use if the customer wishes to keep
this background.
Image Processing Path
The following diagram shows the various stages of image processing and where they are
performed.
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