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Stylus
Color Service Manual
Operating Principles
2.1 OVERVIEW
This section describes the operating
prinaples
of the printer mechanism and the electrical circuits
of the Stylus Color.
2.2 OPERATING PRINCIPLES OF THE PRINTER MECHANISM
The Stylus Color 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.
Pickup Release Lever
\
Disengage Lever
~p
,
ASF Pickup Mechanism
Pa er Feed Mechanism
AA
4+
.
.
.
.
.
.
●
●
.
Pump Unit Drive Mechanism
.
.
.
. I
.
.
●
■
.
●
s
.
.
n
)
.
●
.
●
\P
●
.
/
.
.
Paper Feed Motor
*“”””-”””””J
.
●
.
:
.
●
Carriage Motor
Color Black
Unit
Figure 2-1. Printer Mechanism
Rev. A
2-1