COPY: Image Quality Tab40 CX3641 Advanced Technical User GuideBackground RemovalUse the Background control to block out a colored background onyour original so the background color is not printed on the copy. Notethat you may want to experiment with the settings to see what worksbest.• To get a clear background, set a higher number using the $button.• To keep the background, turn this OFF or set a lower number usingthe # button.FIGURE 2-18. COPY MODE : IMAGE QUALITY : BACKGROUND REMOVALContrastA scanned image may be too bright or too dark and lack contrast. Usethe Contrast control to bring out detail. For more information, seeìContrastî on page 113.• For more detail and contrast between darks and lights (i.e., toincrease the contrast between adjacent gray levels), set a highernumber using the $ button.• For less detail and contrast between darks and lights (i.e., lessdefinition between adjacent gray levels), set a lower number usingthe # button.• To let the unit set the contrast level, use Auto.FIGURE 2-19. COPY MODE : IMAGE QUALITY : CONTRAST
