Canon iR2030 Series Service Manual

Also see for imageRunner 2022: Media guide Brochure & specs Specifications

Contents

Canon iR2030 Series Service Manual Manual pdf 145 page image

ContentsContents4.1 Construction ...................................................................................................................................................................4-14.1.1 Specifications, Control Methods, and Functions (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)...................................... 4-14.1.2 Specifications, Control Methods, and Functions (iR2018i/iR2018)............................................................................................ 4-14.1.3 Major Components (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022) ................................................................................... 4-24.1.4 Major Components (iR2018i/iR2018) ......................................................................................................................................... 4-34.1.5 Control System Configuration (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022).................................................................. 4-34.1.6 Control System Configuration (iR2018i/iR2018)........................................................................................................................ 4-44.1.7 Reader Controller PCB (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022) ............................................................................. 4-54.1.8 Reader Controller PCB (iR2018i/iR2018)................................................................................................................................... 4-54.2 Basic Sequence ..............................................................................................................................................................4-64.2.1 Basic Sequence at Power-on ........................................................................................................................................................ 4-64.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original) .................................................................. 4-74.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original) ................................................................. 4-74.3 Various Control..............................................................................................................................................................4-84.3.1 Controlling the Scanner Drive System ........................................................................................................................................ 4-84.3.1.1 Outline.............................................................................................................................................................................................................4-84.3.1.2 Reader Motor Control .....................................................................................................................................................................................4-94.3.2 Contact Image Sensor (CIS) ........................................................................................................................................................ 4-94.3.2.1 Outline.............................................................................................................................................................................................................4-94.3.2.2 Analog Control Performed by the CIS (iR2022i/iR2022/iR2018i/iR2018) .................................................................................................4-104.3.2.3 Analog Control Performed by the CIS (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022).......................................................................4-114.3.3 Enlargement/Reduction.............................................................................................................................................................. 4-114.3.3.1 Magnification Change in Vertical Scan Direction ........................................................................................................................................4-114.3.3.2 Magnification Change in Horizontal Scan Direction....................................................................................................................................4-114.3.4 Detecting the Size of Originals .................................................................................................................................................. 4-114.3.4.1 Outline...........................................................................................................................................................................................................4-114.3.4.2 Outline of Original Size Detection................................................................................................................................................................4-124.3.5 Dirt Sensor Control .................................................................................................................................................................... 4-134.3.5.1 Outline...........................................................................................................................................................................................................4-134.3.6 Image Processing ....................................................................................................................................................................... 4-154.3.6.1 Outline...........................................................................................................................................................................................................4-154.3.6.2 CMOS Sensor Drive .....................................................................................................................................................................................4-164.3.6.3 CMOS Sensor Output Gain Correction and Offset Correction.....................................................................................................................4-164.3.6.4 CMOS Sensor Output A/D Conversion ........................................................................................................................................................4-164.3.6.5 Shading Correction (Outline) .......................................................................................................................................................................4-164.3.6.6 Shading Adjustment ......................................................................................................................................................................................4-174.3.6.7 Shading Correction........................................................................................................................................................................................4-174.4 Parts Replacement Procedure.......................................................................................................................................4-184.4.1 Copyboard glass......................................................................................................................................................................... 4-184.4.1.1 Removing the Copyboard glass ....................................................................................................................................................................4-184.4.1.2 Procedure after Replacing the Copyboard Glass (Model equipped with ADF)............................................................................................4-184.4.1.3 Removing the ADF Reading Glass ...............................................................................................................................................................4-184.4.2 Reader Controller PCB .............................................................................................................................................................. 4-184.4.2.1 Removing the Reader Controller PCB..........................................................................................................................................................4-184.4.3 Scanner Motor............................................................................................................................................................................ 4-204.4.3.1 Removing the Scanner Motor .......................................................................................................................................................................4-204.4.4 Contact sensor............................................................................................................................................................................ 4-204.4.4.1 Removing the Contact Image Sensor (CIS) ..................................................................................................................................................4-204.4.4.2 Procedure after Replacing the CIS(Touch panel type) .................................................................................................................................4-204.4.5 Copyboard Cover Open/Close Sensor ....................................................................................................................................... 4-204.4.5.1 Removing the Copyboard Cover Open/Close Sensor (Front/Rear) ..............................................................................................................4-204.4.6 Contact Sensor HP Sensor ......................................................................................................................................................... 4-21