COPYRIGHT © 2002 CANON INC. 2001 2001 2001 2001 CANON iR1600/iR2000 REV.1 JAN. 2002 xvCONTENTS1 Image Adjustment BasicProcedure .......................................... 13-11.1 Image Adjustment BasicProcedure ................................. 13-12 Standards and Adjustments ............... 13-32.1 Image Adjustments .................. 13-32.1.1 Standards for ImagePosition .............................. 13-32.1.2 Adjusting the ImagePosition .............................. 13-42.1.3 Adjusting the Leading EdgeMargin for the Printer Unit(if equipped printerfunctions) ........................... 13-52.1.4 Adjusting the ImagePosition for Copying .......... 13-72.2 Fixing System .......................... 13-92.2.1 Checking the Fixing RollerPressure (nip) ..................... 13-92.3 Electrical Parts ....................... 13-102.3.1 When Replacing theMajor Parts ...................... 13-102.3.2 Gain Auto Adjustment ..... 13-102.3.3 When Replacing theContact Sensor ................. 13-102.3.4 When Replacing theImage Processor PCB ...... 13-11CHAPTER 13 TROUBLESHOOTING2.3.5 When Replacing the DCController PCB ................ 13-122.3.6 When Replacing the AnalogProcessor PCB ................. 13-122.4 Checking the Sensors ............. 13-132.4.1 Checking the Sensors ...... 13-133 Troubleshooting Image/OperationFaults ............................................... 13-163.1 Making Initial Checks onImage Faults ........................... 13-163.1.1 Site of Installation ............ 13-163.1.2 Checking the Originals .... 13-163.1.3 Copyboard Cover andCopyboard Glass (standardwhite plate) ...................... 13-163.1.4 Checking the TransferCharging Roller/StaticEliminator ......................... 13-173.1.5 Checking the Drum Unit . 13-173.1.6 Checking the Paper .......... 13-173.1.7 Image Adjustment BasicProcedure ......................... 13-173.1.8 Others .............................. 13-173.2 Image Fault Samples .............. 13-203.3 Troubleshooting ImageFaults ...................................... 13-211 Periodically Replaced Parts .............. 12-11.1 Copier ....................................... 12-11.2 Cassette Unit ............................ 12-11.3 Inner 2-Way Tray ..................... 12-12 Guide to Durables ............................. 12-22.1 Checking the Timing of Replace-ment ......................................... 12-22.2 Copier ....................................... 12-22.3 Cassette Unit ............................ 12-22.4 Inner 2-Way Tray ..................... 12-23 Basic Service Work ........................... 12-3CHAPTER 12 MAINTENANCE AND INSPECTION3.1 Basic Service Work .................. 12-34 Cleaning During a Visit .................... 12-45 Points to Note When Storing/Handlingthe Drum Unit ................................... 12-75.1 Outline ..................................... 12-75.2 Storage and Handing After Remov-ing the Packaging Seal ............. 12-75.2.1 Storage After Removing thePackaging Seal ................... 12-75.2.2 Points to Note When Handlingthe Drum Unit .................... 12-8