Chapter 55-13F-5-24COPIER>OPTION>BODY>DFDST-L1 (level 1)(used to adjust the dust detection level between sheets)COPIER>OPTION>BODY>DFDST-L2 (level 1)(used to adjust the dust detection level at the end of a job)5.3.6 Image Processing5.3.6.1 Outline 0006-5930iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /The following shows the major specifications and functions of the machine's image processing system:T-5-8F-5-25The following shows the functions of the PCBs used by the machine's image processing system:T-5-9The machine uses the reader controller PCB to process images for every single image line; specific functions are as follows:1) Analog Image Processing-CCD drive-CCD output gain correction, offset correction-CCD output A/D conversion2) Digital Image Processing-shading correctionCCD number of lines: 1Number of pixels: Total 7488 (Number of effective pixels: 7180)size of pixel: 32 x 46.9 ymShading correction shading correction: executed for each jobshading adjustment: executed at power-onReader controller PCB CCD drive, analog image processing, A/D conversion,shading correctionADFreadingglassPlaten roller0.5mm0.5mmA B CLensLED Contact image sensorReader controller PCBCCDAnalog imageprocessing blockDigital imageprocessing blockShadingprocessingAnalogimageprocessingA/DconversionContact imagesensor (CIS)Controller block
