Canon DADF-M1 Service Manual

Also see for DADF-M1: Service manual Service manual General Timing Chart/General Circuit Diagram Portable manual Service bulletin

Contents

Canon DADF-M1 Service Manual Manual pdf 7 page image

ContentsContentsChapter 1 Specifications1.1 Product Specifications....................................................................................................................................... 1- 11.1.1Specifications .............................................................................................................................................. 1- 11.2 Names of Parts................................................................................................................................................... 1- 41.2.1External View.............................................................................................................................................. 1- 41.2.2Cross Section ............................................................................................................................................... 1- 41.3 Using the Machine............................................................................................................................................. 1- 61.3.1Original Placement Indicator....................................................................................................................... 1- 61.3.2Warning and Action to Take ....................................................................................................................... 1- 6Chapter 2 Functions2.1 Basic Construction ............................................................................................................................................ 2- 12.1.1Overview of the Electrical Circuitry ........................................................................................................... 2- 12.1.2Inputs to the ADF Controller PCB .............................................................................................................. 2- 12.1.3Outputs from the ADF Driver PCB............................................................................................................. 2- 22.2 Basic Operation ................................................................................................................................................. 2- 42.2.1Routes of Drive ........................................................................................................................................... 2- 42.2.2Overview of Operation Modes .................................................................................................................... 2- 52.2.3Normal Rotation Pickup/Reversal Operation (single-sided original -> signal-side print).......................... 2- 72.2.4Normal Rotation Pickup/Delivery Operation (double-sided original -> double-sided print) ..................... 2- 72.2.5Normal Rotation Pickup/Reversal Delivery (double-died original -> double-sided print)....................... 2- 132.2.6Idle Feed/Reversal Pickup/Delivery (single-sided original of mixed configurations -> single-sided print) . 2-152.3 Document Detection........................................................................................................................................ 2- 192.3.1Overview ................................................................................................................................................... 2- 192.3.2Checking the Presence/Absence of an Original ........................................................................................ 2- 202.3.3Identifying the Size of the Original ........................................................................................................... 2- 212.4 Document Pickup/Separation .......................................................................................................................... 2- 292.4.1Basic Sequence of Operation .................................................................................................................... 2- 292.4.2Pickup Unit and the Stopper...................................................................................................................... 2- 312.4.3Timing of Pickup....................................................................................................................................... 2- 312.4.4Controlling the Pickup Motor (M1) .......................................................................................................... 2- 322.4.5Controlling the Lock Motor (M4) ............................................................................................................. 2- 322.5 Document Reversing ....................................................................................................................................... 2- 342.5.1Basic Sequence of Operation .................................................................................................................... 2- 342.5.2Sequence of Operation .............................................................................................................................. 2- 352.5.3Controlling the Delivery Reversal Motor (M3) ........................................................................................ 2- 362.6 Document Feeding/Delivery ........................................................................................................................... 2- 372.6.1Basic Sequence of Operation .................................................................................................................... 2- 372.6.2Sequence of Operation .............................................................................................................................. 2- 382.6.3Controlling the Feed Motor ....................................................................................................................... 2- 382.7 Detecting Jams ................................................................................................................................................ 2- 39