Canon iR3245 Series Service Manual page 13

7.12.1 Pre-Exposure Lamp............................................................................................................................................. 7- 18
7.12.1.1 Before Removing the Pre-Exposure Lamp .......................................................................................................................... 7- 18
7.12.1.2 Removing the Pre-Exposure Lamp ...................................................................................................................................... 7- 18
7.12.2 Drum Unit............................................................................................................................................................. 7- 18
7.12.2.1 Before Removing the Drum Unit .......................................................................................................................................... 7- 18
7.12.2.2 Removing the Drum Unit...................................................................................................................................................... 7- 18
7.12.2.3 After Replacing Drum Unit ................................................................................................................................................... 7- 19
7.12.3 Hopper Assembly ................................................................................................................................................ 7- 19
7.12.3.1 Before Removing the Hopper Unit ....................................................................................................................................... 7- 19
7.12.3.2 Removing the Hopper Unit................................................................................................................................................... 7- 19
7.12.4 Sub Hopper.......................................................................................................................................................... 7- 20
7.12.4.1 Before Removing the Sub Hopper ....................................................................................................................................... 7- 20
7.12.4.2 Removing the Sub Hopper................................................................................................................................................... 7- 20
7.12.5 Developing Assembly .......................................................................................................................................... 7- 21
7.12.5.1 Before Removing the Developing Assembly........................................................................................................................ 7- 21
7.12.5.2 Removing the Developing Assembly ................................................................................................................................... 7- 21
7.12.5.3 After Replacing Developing Assembly/Developing Cylinder................................................................................................ 7- 22
7.12.6 Developing Cylinder............................................................................................................................................. 7- 22
7.12.6.1 Before Removing the Developing Cylinder .......................................................................................................................... 7- 22
7.12.6.2 Removing the Developing Cylinder...................................................................................................................................... 7- 22
7.12.6.3 After Replacing Developing Assembly/Developing Cylinder................................................................................................ 7- 23
7.12.7 Transfer Charging Roller ..................................................................................................................................... 7- 24
7.12.7.1 Removing the Transfer Roller .............................................................................................................................................. 7- 24
7.12.8 Waste Toner Box ................................................................................................................................................. 7- 24
7.12.8.1 Removing the Waste Toner Container................................................................................................................................. 7- 24
7.12.9 Toner Level Sensor ............................................................................................................................................. 7- 25
7.12.9.1 Before Removing the Toner Level Sensor ........................................................................................................................... 7- 25
7.12.9.2 Removing the Toner Level Sensor....................................................................................................................................... 7- 25
7.12.10 Toner Feedscrew Motor..................................................................................................................................... 7- 25
7.12.10.1 Before Removing the Toner Feed Screw Motor................................................................................................................. 7- 25
7.12.10.2 Removing the Toner Feed Screw Motor ............................................................................................................................ 7- 25
7.12.11 Static Charge Eliminator .................................................................................................................................... 7- 25
7.12.11.1 Removing the Static Eliminator .......................................................................................................................................... 7- 25
Chapter 8 Pickup/Feeding System
8.1 Construction ...............................................................................................................................................8- 1
8.1.1 Specifications, Controls, and Functions .................................................................................................................. 8- 1
8.1.2 Division into Blocks.................................................................................................................................................. 8- 2
8.1.3 Arrangement of Rollers............................................................................................................................................ 8- 3
8.1.4 Diagram of Paper Paths (w/ 3 Way Unit-A1/ copy tray) .......................................................................................... 8- 4
8.1.5 Diagram of Paper Paths (w/ Inbody Finisher/ copy tray) ......................................................................................... 8- 5
8.1.6 Diagram of Paper Paths (w/ Finisher/Saddle Finisher) ........................................................................................... 8- 6
8.1.7 Arrangement of Sensors.......................................................................................................................................... 8- 7
8.1.8 Route of Drive.......................................................................................................................................................... 8- 8
8.2 Basic Sequence........................................................................................................................................8- 10
8.2.1 Basic Sequence..................................................................................................................................................... 8- 10
8.2.2 Acceleration Intervals ............................................................................................................................................ 8- 10
8.3 Detecting Jams .........................................................................................................................................8- 14
8.3.1 Delay Jams............................................................................................................................................................ 8- 14
8.3.1.1 Delay Jam Outside the Cassette Pickup Assembly ............................................................................................................... 8- 14
8.3.1.2 Delay Jam in the Cassette Pickup Assembly......................................................................................................................... 8- 14
8.3.2 Stationary Jams..................................................................................................................................................... 8- 15
8.3.2.1 Common Stationary Jam ....................................................................................................................................................... 8- 15
8.3.2.2 Stationary Jam at Power-On.................................................................................................................................................. 8- 15
8.3.3 Other Jams ............................................................................................................................................................ 8- 15
8.3.3.1 Door Open Jam...................................................................................................................................................................... 8- 15
8.3.3.2 Paper size mismatch JAM ..................................................................................................................................................... 8- 16
8.3.3.3 Error retry JAM....................................................................................................................................................................... 8- 16
Contents