Figure 5-11 The Image Processor Graphics Pipeline - Tektronix Phaser 440 Service Manual

The control loop , which oversees the operation of the graphics pipeline,
routes the color planes to the engine driver that transmits the color
plane data to the print engine. The control loop also monitors the
control and error signals fed back from the print engine.
Local-
LocalTalk
Talk
handler
Serial
I/O
serializer
Parallel
SCSI
Ethernet
Ethernet
SIMM

Figure 5-11 The image processor graphics pipeline

Control loop
PostScript Rasterizer
interpreter
Fonts in
ROM
Image processor
Service Manual
5
Theory of Operation
Engine
Print
driver
engine
8699-18
5-17