COPYRIGHT © 2002 CANON INC. 2001 2001 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 xvCONTENTS1 Outline ................................................ 9-11.1 Outline ....................................... 9-11.2 Specifications and Construction................................................... 9-11.3 Arrangement of Major Rollersand Sensors ................................ 9-2CHAPTER 9 CASSETTE UNIT2 Pickup Assembly ................................ 9-42.1 Pickup Control System ............. 9-42.2 Pickup Control ........................... 9-72.3 Cassette Pickup Operation ........ 9-72.4 Pickup Re-Try Operation .......... 9-72.5 Cassette Paper Size Detection .. 9-72.2 Protective Mechanisms ............. 8-52.3 High-Voltage Power SupplyCircuit ........................................ 8-53 Control at Time of EnergySave Mode .......................................... 8-63.1 Outline ....................................... 8-63.2 Control ....................................... 8-63.3 Operation ................................... 8-84 Fan ...................................................... 8-94.1 Outline ....................................... 8-94.2 Control ..................................... 8-104.2.1 Controlling the Speed ....... 8-104.2.2 Error Detection .................. 8-114.2.3 Sequence of Operation(fan drive) .......................... 8-115 Back-Up Battery ............................... 8-125.1 Back-Up Mechanism ............... 8-125.1.1 Outline ............................... 8-125.1.2 Vanadium Lithium SecondaryBattery (BAT2) .................. 8-125.1.3 Lithium Battery (BAT1) .... 8-135.2 Back-Up Data .......................... 8-165.2.1 Types of Data .................... 8-165.2.2 Printing Out the Back-UpData List ............................ 8-186 Disassembly and Assembly ............. 8-196.1 External Covers ....................... 8-206.1.1 Removing the FrontCover ................................. 8-226.1.2 Removing the Control PanelLower Cover ...................... 8-226.2 Control Panel ........................... 8-236.2.1 Removing the ControlPanel .................................. 8-236.3 Main Motor .............................. 8-246.3.1 Removing the MainMotor ................................. 8-246.4 Fan ........................................... 8-256.4.1 Removing the HeatDischarge fan .................... 8-256.5 PCBs ........................................ 8-266.5.1 Removing theDC Controller PCB ........... 8-266.5.2 After Replacing theDC controller PCB ............ 8-266.5.3 Removing theImage Processor PCB ....... 8-276.5.4 When Replacing theImage Processor PCB ....... 8-276.5.5 Removing theRAM DIMM ..................... 8-276.5.6 Removing theROM DIMM ...................... 8-286.5.7 Removing the AnalogProcessor PCB ................... 8-286.5.8 After Replacing the AnalogProcessor PCB ................... 8-316.5.9 Removing thePower Supply PCB ............ 8-316.5.10 Removing the Original Detec-tion/Reader Motor PCB .... 8-326.5.11 Removing the Printer BoardUnit (if equipped withprinter functions) .............. 8-326.5.12 Removing the Cassettecontroller PCB(20 cpm model only) ......... 8-32
