Canon iR2020 Series Service Manual

Also see for iR2016 Series: User guide Easy operation guide Service manual User guide Facsimile guide

Contents

Chapter 44-11F-4-23- Immediately before scanning (one sheet at a time)The contact image sensor (CIS) does not move to detect dust.The original is read at the position determined at job end or start. If presence of dust is detected there, the read image is corrected.T-4-5F-4-244.3.6 Image Processing4.3.6.1 Outline 0010-4258iR2016J / iR2016 / iR2020 / / iR2016i / iR2020iMajor specifications and functions of the image processing system are as follows:Point DescriptionA Read reference positionB out 0.5 mm from the reference position to the inside of therollerC About 1.0 mm from the reference position to the inside ofthe rollerA B CStreamreadingglassPlaten roller0.5mm0.5mmA B CLensLED Contact image sensor(CIS)