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Operation of Each Mechanism
CL-S6621 2-4
SA Ribbon Motor R
SA Ribbon Motor F
Ribbon Sensor F
("SA, Ribbon Sensor" on the front side)
Ribbon Sensor R
("SA, Ribbon Sensor" on the rear side)
2-1. Operation of Each Mechanism
This printer is a thermal transfer barcode & label printer comprised of the following mechanisms:
media feed, ribbon feed, label/tag detection, print head up/down detection, paper near end
detection, head balance adjustment, media thickness adjustment and transparent/reflective sensor
travel.
This section describes the operation of each of these mechanisms.
2-1-1. Locations and Functions of Motors, Sensors and Thermal Head
This printer has the following motors, sensors and thermal head.
(1) “Unit, Ribbon” section
Part name Description
SA Ribbon Motor F
(Front side)
This motor takes up ribbon. A thermistor is attached to the side of
this motor to detect the motor temperature.
SA Ribbon Motor R
(Rear side)
This motor gives back tension to ribbon.
Ribbon Sensor F
(“SA, Ribbon Sensor”
on the front side)
This sensor consists of two photointerrupters to detect if appropriate
tension is given to the front side ribbon.
It also detects a ribbon-running error.
Ribbon Sensor R
(“SA, Ribbon Sensor”
on the rear side)
This sensor consists of two photointerrupters to detect if appropriate
tension is given to the rear side ribbon.
It also detects the ribbon end status.