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TT
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About Thermal transfer printer (barcode printer)
Printing by Thermal Transfer consists of applying
thermofusible ink onto a receptor using a heat source emitted by the printer.
The flexibility of TT is its capacity to meet very high demands of print
quality and to provide a technical solution in keeping with user expectations.
There are many variables whether from the point of view of the type of ink
chosen, the nature of the printing media and finally the choice of printer
technology. Each of these elements will have a big influence on the print
result.
This is why to properly understand how printing by Thermal Transfer works, it
is important to separate each of the elements involved in the process.
·
Drive shafts
The thermal transfer ribbon is fitted onto a rotating shaft from which it
gradually unwinds. Once the inked ribbon passes under the printhead, the used
TT film is automatically rewound onto a motor-driven shaft. This makes it
easier to handle and to remove the TT ribbon
·
Platen roller
This rotating shaft is positioned at the place where inked film and the label
meet under the printhead. Its role is to exert sufficient pressure for the TT
film, which is in contact with the label and the thermal head, to receive the
heat needed to transfer its ink.
·
Printhead
The printhead is a key part of thermal transfer printers: it ensures the
transfer of the ink. The part in contact with the TT ribbon is made up of a
line of electrically resistant micro-heating elements, the quantity of which
(between 8 and 24 points per mm) determines the resolution of the printer
(between 200 and 600 dpi).
The individually-activated heating elements generate a source of heat which
melts the ink onto the TT ribbon, transferring it to the receiving material
with which it is in contact.
There are several different printhead
technologies: the most widespread being flathead or corner-edge/near-edge
heads.
Flathead printers are mainly used for printing labels. Corner-edge technology
is particularly well-suited for printing on packaging with speeds of up to
1,000mm per second.
Each type of TT ribbon is suitable for one or the other of these technologies.
About thermal transfer:
· Thermal transfer ribbon (TTR)
· Thermal transfer printer (barcode printer)
Popular barcode printer makers are listed below. Information regarding the printer maker and model information is crucial in determining the correct ribbon specification and ensure continuous printing in your business
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