2-8
Operation Principles
Rev. A
Confidential
Paper Guide Mechanism
This mechanism consists of the paper guide mechanism. The paper path consists of the
paper
guide, straight, front
and the
paper guide, straight, back
. The paper path is shown below.
Figure 2-9 Paper path
Detector Mechanism
This mechanism consists of the paper-end mechanism, the platen-open detector mechanism, the
head temperature detector mechanism, and the black mark detector mechanism.
Paper-end detector mechanism
The paper-end detector mechanism is located inside the paper guide mechanism to detect the
end of the thermal paper and the paper insertion state in the semi-autoloading mode. This
mechanism consists of the
transparent photo sensor
, the
lever, paper detector
which
presses against the thermal paper and the
spring, paper detector
which pulls the
lever,
paper detector
.
Figure 2-10 Paper -end detector circuit
paper guide, straight, back
paper guide, straight, front
platen
paper
<printer side>
paper-end detector signal
Photo interrupter
Pin No.
220
Ω
75 K
Ω
13 V
13
V
DD
11
7, 8, 10
GND
Содержание EU-T532
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