Brother HL-2400C Service Manual page 49

CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS........... IV-1
1. BASIC STRUCTURE .................................................................................IV-1
1.1 Print System and Transfer System ................................................................................. IV-6
1.1.1 Structure of the Printer ............................................................................................. IV-7
1.1.2 Basic Structure of the Printing System..................................................................... IV-8
1.1.3 Details of Each Process ......................................................................................... IV-10
1.2 Scanning System .......................................................................................................... IV-21
1.3 Paper Transportation System ....................................................................................... IV-23
1.4 Fusing Unit .................................................................................................................... IV-25
2. STRUCTURE OF THE CONTROL SYSTEM...........................................IV-27
2.1 Basic Structure.............................................................................................................. IV-27
2.1.1 Electrical System and Functions ............................................................................ IV-27
2.2 Control System.............................................................................................................. IV-36
2.2.1 Control of the Print Process ................................................................................... IV-36
2.3 Main PCB (Video Controller PCB) .................................................................................IV-46
2.3.1 Outline .................................................................................................................... IV-46
2.3.2 Circuit ..................................................................................................................... IV-47
2.4 Power Supply Unit......................................................................................................... IV-58
2.5 High Voltage Power Supply Unit ................................................................................... IV-61
2.6 Wiring Diagram ............................................................................................................. IV-64
CONTENTS