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2.1 OVERVIEW
This section describes the operating principles of the printer mechanism and the electrical circuits
of the Stylus Pro XL.
2.2 OPERATING PRINCIPLES OF THE PRINTER MECHANISM
The Stylus Pro XL printer mechanism is composed of the printhead unit, paper feed mechanism,
carriage drive mechanism, pump mechanism, and various sensors. The figure below shows a
functional block diagram of the printer mechanism.
ASF Plunger Disengage Lever
ASF Pickup Mechanism Paper Feed Mechanism
Pump Unit Drive Mechanism
Paper Feed Motor
Carriage Motor
Color Black
Carriage Unit
Figure 2-1. Printer Mechanism Block Diagram
Stylus Pro XL Operating Principles
REV.-A 2-1