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Detection Area Of The Reflective Sensor; Effective Print Area - Toshiba SX4T - TEC B B/W Direct Thermal Owner's Manual

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7.1.3 Detection Area of the Reflective Sensor

The Reflective Sensor is movable from the centre to the left edge of media.
The reflection factor of the Black Mark must be 10% or lower with a waveform length of 950 nm.
The Reflective Sensor should be aligned with the centre of the Black Mark.
Sensor should be positioned at
the centre of the black mark.

7.1.4 Effective Print Area

The figure below illustrates the relation between the head effective print width and media width.
Out of print range
The figure below shows the effective print area on the media.
1. Be sure not to print on the 1.5-mm wide area from the media edges (shaded area in the above figure).
Printing this area may cause ribbon wrinkles, resulting in a poor print quality of the guaranteed print area.
2. The centre of media is positioned at the centre of the Print Head.
3. Print quality in the 3-mm area from the print head stop position (including 1-mm non-printable area for print
speed slow down) is not guaranteed.
Min. 2.0 mm
Min. 12 mm
(Head Effective Print Range)
4 mm
112 mm (Max. media width)
Start line
1.5 mm from the
left edge of media
Guaranteed print area
(backing paper width is not included.)
Centre of media
Sensor is movable
within this range.
104 mm±0.2
4 mm
Area to be detected.
Media height
10 – 1500 mm
Media width
E7- 3
Detecting the black
marks on the back.
Media feed direction
Out of print range
1.5 mm from the
right edge of media
Media feed direction
Area to be detected.
7.1 Media


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