CHAPTER II -1

CHAPTER II THEORY OF OPERATION

1. ELECTRONICS

1.1 General Block Diagram

Fig. 2.1 shows a general block diagram of the HL-1060 printer.

Optional RAM(SIMM)
(Max. 32Mbytes)
Optional ROM
(Max. 4Mbytes) Optional I/F Board
( RS-232C)
Expansion Memory I/O Expansion I/O
Expansion ROM I/O
Parallel
Video Control Block Interface Block
Engine Control Block Operation Block
(Operation Panel)
Control System
Low-voltage Power
Supply Block
High-voltage Power
Supply Block
Laser Scanner Unit Drive Block
(Stepping Motor)
Drum Unit Transfer Block
Developing
Block Drum
Charging
Block
Cleaner
Block
External Device
External Device
Paper Tray Unit
Paper Feeder
Manual Feed
Fixing Unit
Paper Eject Block
Paper Feed System
Image Generation System
Toner Cartridge
Erase Lamp

Fig. 2.1