HP 8550 Service Manual - Page 91
values tend to identify as text, for identification of chromatic components
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Table 38. Copier, adjust mode Level 2 and Level 3 menus (continued) Level 2 item FEED-ADJ See additional information on page 92. MISC Level 3 item REGIST ADJ-C1 ADJ-C2 ADJ-MF REGIST2 SEG-ADJ K-ADJ ACS-ADJ ACS-EN ACS-CNT Range 0 to +52 Default = 18 1 to +62 Default = 32 1 to +62 Default = 32 1 to +62 Default = 32 0 to +52 Default = 18 -4 to +4 -3 to +3 -3 to +3 -2 to +2 -2 to +2 Description Adjusts the timing at which the registration clutch turns on (1st page of 1-page mode and 1st page of 2-page mode only). Higher settings decrease the leading edge margin. Adjusts the image-write start position in main scanning direction for the cassette 1. Adjusts the image-write start position in main scanning direction for the cassette 2. Adjusts the image-write start position in main scanning direction for the multifeeder. Adjusts the timing at which the registration clutch turns on (2nd and subsequent pages in 1-page mode or 2nd and subsequent pages in 2-page mode). Higher settings decrease the leading edge margin. Adjusts the degree of distinction between text and photo in text/photo/map mode. + values tend to identify as photo; - values tend to identify as text Adjusts the degree of back for black-text identification. Higher settings tend to identify text as black. Adjusts the area of color recognition for ACS. + values tend to identify as black original; - values tend to identify as color original. When an image is being read for ACS, a large area of displaced color in a leading edge/ trailing edge/side width (main scanning direction) can cause wrong identification. Use ACS-EN to limit the area of ACS. + values increase the area; - values decrease the area Adjusts the area in which pixels are counted for identification of chromatic components for ACS. + values increase the area. Fine, colored lines might be identified as part of a color original, but identification is affected more by color displacement. - values decrease the area. The absence of chromatic pixels in a wide area of an original will prevent the original from being identified as colored, but identification is affected less by color displacement. EN Service mode 89