Brother MFC-7225N - Safety precautions; Safe Machine Operation

iii Confidential
TABLE OF CONTENTS
CHAPTER 1 PARTS NAMES & FUNCTIONS
1.1 EQUIPMENT OUTLINE ............................................................................................ 1-1
1.2 CONTROL PANEL.................................................................................................... 1-2
1.3 COMPONENTS......................................................................................................... 1-5
CHAPTER 2 SPECIFICATIONS
2.1 GENGERAL .............................................................................................................. 2-1
2.1.1 General Specifications......................................................................................... 2-1
2.1.2 Paper Specifications ............................................................................................ 2-2
2.1.3 Printable Area................................................................................................................ 2-4
2.1.4 Toner Cartridge Weight Information........................................................................... 2-8
2.2 SPECIFICATIONS LIST............................................................................................ 2-9
CHAPTER 3 THEORY OF OPERATION
3.1 Overview................................................................................................................... 3-1
3.2 Mechanical Components ........................................................................................ 3-2
3.2.1 Scanner Mechanism ............................................................................................ 3-3
3.2.2 Document Feeding and Ejecting Mechanism...................................................... 3-3
3.2.3 Scanner................................................................................................................ 3-3
3.2.4 Printing Mechanism ............................................................................................. 3-4
3.2.4.1 Paper supply................................................................................................ 3-4
3.2.4.2 Push-up function of paper tray .................................................................... 3-6
3.2.4.3 Paper registration ........................................................................................ 3-8
3.2.4.4 Paper eject .................................................................................................. 3-9
3.2.4.5 Drum unit ..................................................................................................... 3-9
3.2.4.6 Toner cartridge .......................................................................................... 3-10
3.2.4.7 Print process.............................................................................................. 3-13
3.2.5 Sensors and Actuators ...................................................................................... 3-16
3.3 Control Electronics ............................................................................................... 3-17
3.3.1 Components ...................................................................................................... 3-17
CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR
4.1 TRANSFERRING RECEIVED FAX DATA ............................................................... 4-1