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Chapter 2 Operating Principles
2-1. Operation of Each Mechanism
CL-S700/CL-S703/CL-S700R 2-4
2-1. Operation of Each Mechanism
This printer is a thermal transfer barcode & label printer comprised of the following mechanisms:
media feed, label/tag detection, cover open detection, print head up/down detection, head balance
adjustment, media thickness adjustment, and others.
This section describes the operation of each of these mechanisms.
2-1-1. Locations of Main Electrical Parts
(1) CL-S700/CL-S703/CL-S700R (Printer Part)
The following figure shows the locations of main electrical parts.
Part name Description
Unit, Motor This motor feeds media. A thermistor is attached to this motor to detect
the motor temperature.
SA, Head Up SW
(Head Up Sensor)
This sensor is a mechanical switch to detect the print head position; up
or down.
Adjustable Sensor Consists of the transparent sensor and the reflective sensor that move
to right and left simultaneously by turning the adjust sensor position
knob. Together with the reflective sensor, it is used to detect a label
stuck on liner or a U-shaped notch on tag. The reflective sensor alone
is used to detect the black marks on tag. The media end is detected
with these sensors.
SA, Fan
Unit, Centro PCB
SA, Main PCB
Transparent Sensor
Reflective Sensor
Adjustable Sensor
SA, Connect PCB
Unit, Power Supply
SA, Ope-pane PCB
SA, Cover Open Sens
Unit, Head
SA, Head Up SW
Unit, Motor
Reflective Sensor
Front Fixed Sensor
Ribbon Encoder
(Ribbon Running Sensor/
Ribbon End Sensor)
Transparent Sensor