Printronix P5000 Maintenance Manual page 264

Chapter 6
Controller Board
RS-232
Diagnostic
Port
Control
Panel
TTL
Diagnostic
Port
264
25 or 40 MHz
Figure 56. Controller Board Block Diagram
Expansion
Port
RS-232/422
IEEE-1284
(Parallel)
Fault
Sensors
Paper
Feed
Ribbon
Shuttle
Platen
Hammer
Drive