Canon LBP3250 Series Service Manual page 19

Contents
2.6.1.2.2 Safety function ...................................................................................................................................................................................... 2-19
2.7 ENGINE CONTROL SYSTEM ................................................................................................................................. 2-20
2.7.1 Main Controller.......................................................................................................................................................................... 2-20
2.7.1.1 General description ....................................................................................................................................................................................... 2-20
2.7.2 Engine Controller....................................................................................................................................................................... 2-21
2.7.2.1 General description ....................................................................................................................................................................................... 2-21
2.8 FIXING UNIT/DELIVERY SYSTEM ....................................................................................................................... 2-22
2.8.1 Overview/Configuration ............................................................................................................................................................ 2-22
2.8.1.1 Overview....................................................................................................................................................................................................... 2-22
2.8.1.2 Main Parts of Fixing Unit ............................................................................................................................................................................. 2-22
2.8.2 Various Control Mechanisms .................................................................................................................................................... 2-23
2.8.2.1 Fixing Temperature Control ......................................................................................................................................................................... 2-23
2.8.2.1.1 Fixing Temperature Control ................................................................................................................................................................. 2-23
2.8.2.2 Protective Functions ..................................................................................................................................................................................... 2-24
2.8.2.2.1 Protective Function of Fixing Unit ....................................................................................................................................................... 2-24
2.8.2.2.2 Error detection ...................................................................................................................................................................................... 2-24
2.8.3 Other Functions.......................................................................................................................................................................... 2-25
2.8.3.1 Throughput Down Control............................................................................................................................................................................ 2-25