Canon iR1570F, Service Manual

Page: 339 / 494

Contents
Contents
13.1 Making lnitial Checks .................................................................................................................................... 13-1
13.1.1 Outline ..................................................................................................................................................... 13-1
13.1.2 Making Initial Checks ............................................................................................................................. 13-1
13.1.3 Site Environment ..................................................................................................................................... 13-1
13.1.4 Checking the Drum Unit ......................................................................................................................... 13-1
13.1.5 Checking the Paper.................................................................................................................................. 13-1
13.1.6 Others ...................................................................................................................................................... 13-1
13.1.7 Troubleshooting Flow Chart ................................................................................................................... 13-2
13.1.8 Making Checks in Response to an Image Fault ...................................................................................... 13-3
13.1.9 Checking the Photointerrupters ............................................................................................................... 13-3
13.2 Outline of Electrical Components .................................................................................................................. 13-6
13.2.1 Clutch/Solenoid ....................................................................................................................................... 13-6
13.2.1.1 Body ................................................................................................................................................. 13-6
13.2.1.2 ADF .................................................................................................................................................. 13-6
13.2.2 Sensor ...................................................................................................................................................... 13-7
13.2.2.1 Body ................................................................................................................................................. 13-7
13.2.2.2 ADF .................................................................................................................................................. 13-8
13.2.3 Lamps, Heaters, and Others .................................................................................................................... 13-9
13.2.3.1 Others ............................................................................................................................................... 13-9
13.2.4 PCBs ...................................................................................................................................................... 13-10
13.2.4.1 PCBs ............................................................................................................................................... 13-10
13.2.5 Variable Resistors(VR), Light-Emitting Diodes(LED),and Check Pins by PCB ................................. 13-12
13.2.5.1 Variable Resistors, Light Emitting Diodes (LED), and Check Pins by PCB................................. 13-12