Canon LBP3200 - LBP 3200 B/W Laser Printer Service Manual page 25

Contents
2.1 LASER EXPOSURE SYSTEM......................................................................................................................... 2-1
2.1.1 Overview/Configuration.............................................................................................................................. 2-1
2.1.1.1 Overview .............................................................................................................................................. 2-1
2.2 IMAGE FORMATION SYSTEM ..................................................................................................................... 2-3
2.2.1 Overview/Configuration.............................................................................................................................. 2-3
2.2.1.1 Overview .............................................................................................................................................. 2-3
2.3 PICKUP AND FEEDING SYSTEM ................................................................................................................. 2-5
2.3.1 Overview/Configuration.............................................................................................................................. 2-5
2.3.1.1 Overview .............................................................................................................................................. 2-5
2.3.2 Detecting Jams ............................................................................................................................................ 2-6
2.3.2.1 Jam Detection Outline .......................................................................................................................... 2-6
2.3.2.1.1 Type so Jams ................................................................................................................................. 2-6
2.3.2.2 Delay Jams............................................................................................................................................ 2-7
2.3.2.2.1 Pickup Delay Jam .......................................................................................................................... 2-7
2.3.2.2.2 Delivery Delay Jam ....................................................................................................................... 2-7
2.3.2.3 Stationary Jams..................................................................................................................................... 2-7
2.3.2.3.1 Pickup Stationary Jam ................................................................................................................... 2-7
2.3.2.3.2 Delivery Stationary Jam ................................................................................................................ 2-7
2.3.2.4 Other Jams ............................................................................................................................................ 2-7
2.3.2.4.1 Wrap Jam....................................................................................................................................... 2-7
2.3.2.4.2 Initial Jam ...................................................................................................................................... 2-8
2.3.2.4.3 Cover Open Jam ............................................................................................................................ 2-8
2.4 FIXING SYSTEM.............................................................................................................................................. 2-9
2.4.1 Overview/Configuration.............................................................................................................................. 2-9
2.4.1.1 Overview .............................................................................................................................................. 2-9
2.4.2 Various Control Mechanisms .................................................................................................................... 2-10
2.4.2.1 Protective Functions ........................................................................................................................... 2-10
2.4.2.1.1 Protective Mechanisms................................................................................................................ 2-10
2.4.2.1.2 Detecting a Fault in the Fixing Assembly ................................................................................... 2-11
Contents