Chapter 44-134.5.3 Printer Output Image Processing 0013-9217Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080 / iR C3080i / iRC2550The main controller processes the image data arriving from the reader unit for output to the printer unit.F-4-9- Image dataserial/parallel conversion- Video countMain controller PCB(main + sub (R-A)/(sub PDRM-PE-A)Reader unitRGB 24 Image areasignalCMYK- F value adjustment- Color balance correction- Framing- Blanking- Background removal- Bk generationOutput direct mappingRGB->CMY conversionOutput gamma correctionOptimum screen selectionSmoothingRGB 24CMYK 32 Image areasignalHere, the Bk signal is generatedif an ACS session identifies theoriginal as being black-and-white.(Otherwise, it is let through.)For the text area,UCR processing is executed.A correction LUT is preparedas part of PASCAL control.In color mode, the Bk signalis generated here.Y,M,C,BkTo DC controller PCB