Epson LX-300

LX-300 Sarvica Manual
operating Ptincipk3
2.3.12 Color Ribbon Sensor Circuit
The printer’s color ribbon arcuitry in shown in the figure below. The CPU receives signals (HIGH
or LOW) from the mechanical switch.
lle signal is HIGH when a color ribbon is installed and is
LOW otherwise.
+5V
Sensor
AN4 ~
A
i
i
i
L
i
I
Printer I Color Upgrade Kit
Figure 2-24. Color Ribbon Sensor Circuit Diagram
Rev.A
2-19