Theory Of Operation; Basic Operations - Brother HL-1660e Series User Manual

CHAPTER II
This chapter describes the printer functions, the relationship between the electrical systems and
mechanical systems, and the timing of operations. Striped conduits (
linkages; solid thin arrows (
single control signals and outlined thick arrows (
signals.

1. BASIC OPERATIONS

1.1 Mechanical Configuration
The printer functions can be divided into four blocks: the laser/scanner system, the image
formation system, the paper pick-up/feed system and the control system.
Expansion memory
(SIMM)
Control panel
PAPER PICK-UP/FEED SYSTEM

THEORY OF OPERATION

) appearing with a signal name indicate the transmission of
Font cartridge/card
Main PCB
IMAGE FORMATION SYSTEM
Cleaning unit
Transfer
separation
unit
Figure 2.1
II - 1
) indicate the transmission of groups of
CONTROL SYSTEM
Photosensitive drum
Laser/scanner
unit
Developing
unit
LASER/SCANNER
SYSTEM
MP tray
Tray 1
Tray 2
(Option)
) indicate mechanical
Optional I/O
(MIO)