IMAGE PROCESSING 20 June 2005
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Text/Photo Mode
Adjust the image for the Text/Photo mode with the four master settings within their
allowed ranges (for ranges, see Section “5. Service Tables”). To fine adjust a
master setting set it to “0” then perform the adjustments listed below.
SP4904 025 = 0 Text/Photo (General) Quality 25%-64%
SP4903 039 Text/Photo (Edge) Coefficient 25%-64%
SP4903 040 Text/Photo (All) Coefficient 25%-64%
SP4903 079 Filter Strength: Text/Photo (Edge) 25%-64%
SP4903 080 Filter Adj.: Text/Photo (Edge Det.) 25%-64%
SP4903 081 Filter Adj.: Text/Photo (Mag.%) 25%-64%
SP4904 008 Gray Adj: Text/Photo (Edge Det.) 25-64%
SP4904 026 = 0 Text/Photo (General) Quality 65%-154%
SP4903 043 Text/Photo (Edge) Coefficient 65%-154%
SP4903 044 Text/Photo (All) Coefficient 65%-154%
SP4903 082 Filter Strength: Text/Photo (Edge) 65%-154%
SP4903 083 Filter Adj.: Text/Photo (Edge Det.) 65-154%
SP4903 084 Filter Adj. Text/Photo (Mag.%) 65%-154%
SP4904 009 Gray Adj.: Text/Photo (Edge Det.) 65-154%
SP4904 027 = 0 Text/Photo (General Quality) 155%-256%
SP4903 047 Text/Photo (Edge) Coefficient 155%-256%
SP4903 048 Text/Photo (All) Coefficient 155%-256%
SP4903 085 Filter Strength: Text/Photo (Edge) 155%-256%
SP4903 086 Filter Adj.: Text/Photo (Edge Det.) 155%-256%
SP4903 087 Filter Adj.; Text/Photo (Mag.%) 155%-256%
SP4904 010 Gray Adj.: Text/Photo (Edge Det.) 155-256%
SP4904 028 = 0 Text/Photo (General) Quality 257%-400%
SP4903 051 Text/Photo (Edge) Coefficient 257%-400%
SP4903 052 Text/Photo (All) Coefficient 257%-400%
SP4903 088 Filter Strength: Text/Photo (Edge) 257%-400%
SP4903 089 Filter Adj.: Text/Photo (Edge Det.) 257%-400%
SP4903 090 Filter Adj.: Text/Photo (Mag.%) 257%-400%
SP4904 011 Gray Adj.: Text/Photo (Edge Det.) 257-400%
NOTE: An SP code number and name set in bold italic denotes an SSP (Special
Service Program) mode. To access an SSP, enter the SP mode: press and
hold down on the 10-key pad then “Copy SP” on the touch-screen.
Also, SP4904 007 adjusts the error diffusion process that is used in text/photo
mode.
Gray adjustment: At areas defined as edges, error diffusion is done on text to
create sharp lines to better define text characters, but in other areas, grayscale
processing for photographs is done. Select a lower setting for better reproduction
of photographs and a higher setting for sharper text. For details, refer to the SP
table.
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