Functional Block Diagram; Figure 5-1 Block Diagram Of The Printer - Tektronix Phaser 550 Service Manual

5
Theory of Operation

Functional block diagram

5-2 Phaser 550 Color Printer
The printer is made of eight major blocks:
Imaging unit
Laser scanner
Toner cartridges
Engine boards
Fuser
Power supply
Mechanicals
Image processor board
Laser scanner
Imaging
unit

Figure 5-1 Block diagram of the printer

The imaging unit
The imaging unit forms the heart of the printer. This customer-replaceable unit
contains the photoconductive belt and accumulator belt on which imaging takes
place.
The laser scanner
The laser scanner is the device that "writes" the image onto the imaging unit's
photoconductive belt.
Image processor
Toner
cartridges
Engine
control
boards
Mechanicals Fuser
board
Power
supply
9013-10