TSC TTP-243 Series - Various Sensors

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TTP-243 Bar Code Printer
Service Manua
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1.7 Various Sensors
(1) Feed Gap Sensor
The feed gap sensor detects a label gap to locate the starting print position of the next
label. The sensor is mounted 4 mm off the center line of the main mechanism.
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In case of Label
(2) Black Mark Sensor
The black mark sensor locates the position of label by emitting infrared rays onto the
black mark at the back of the ticket. The sensor is mounted 5.75 mm off the center line of
the ticket roll width on the mechanism.