Chapter Ii Theory Of Operation; Basic Operations; Mechanical Configuration - Brother HL 2060 - B/W Laser Printer Service Manual

CHAPTER II THEORY OF OPERATION

This chapter describes the printer functions, the relationship between the electrical
systems and mechanical systems, and the timing of operations.
Striped conduits (
appearing with a signal name indicate the transmission of single control signals and
outlined thick arrows (
1.

BASIC OPERATIONS

1.1

Mechanical Configuration

The printer functions can be divided into four blocks: the laser system, the image
formation system, the paper pick-up/feed system and the control system.
Control panel
PAPER PICK-UP/FEED SYSTEM
) indicate mechanical linkages; solid thin arrows (
) indicate the transmission of groups of signals.
Expansion memory
(SIMM)
Main PCB
IMAGE FORMATION SYSTEM
Cleaning unit
Font card
(2 slots)
Photosensitive drum
Developing
unit
Transfer
separation
unit
Figure 2.1
II-1
Optional I/O
(MIO)
CONTROL SYSTEM
Laser unit
LASER SYSTEM
MP tray
Tray 1
Tray 2
(Option)
)