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79 lines
2.4 KiB
Markdown
79 lines
2.4 KiB
Markdown
---
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layout: simple
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title: Thermal_Printer
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revisions:
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- author: Cuu
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date: 2024-02-22
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comment: First version
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---
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## Thermal Printer Components
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<figure>
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<img src="img/1b657e92d8f8e6320eda52241d138634f269e4a2_2_589x500.png"
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title="1b657e92d8f8e6320eda52241d138634f269e4a2_2_589x500.png" />
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<figcaption>1b657e92d8f8e6320eda52241d138634f269e4a2_2_589x500.png</figcaption>
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</figure>
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We provide you a vintage-feeling but practical expansion module - the
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thermal printer. It uses a standard 58mm thermal paper and has an
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easy-to-load design. With the open-source standard CUPS print driver
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provided by the [clockworkOS](clockworkOS "wikilink"), you can print
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various monochrome fonts, symbols, graphics, and even complete A4 size
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output through collage. You can also buy thermal printing paper\* with
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adhesive backing or different colors, plan your work and life, mark key
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points, and give notes, anytime, anywhere. The sturdy “input tray”
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provides a storage function, allowing you to carry it freely.
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The CUPS print driver is released under the GPL v3 license, and you can
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find it on our
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[GitHub](https://github.com/clockworkpi/DevTerm/tree/main/Code/devterm_thermal_printer_cups).
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- Safety reminder: It is recommended to use BPA-free thermal papers.
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## Paper Dimensions
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The printer uses standard 58 mm thermal paper. [Based on the published
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3D
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models](https://forum.clockworkpi.com/t/devterm-thermal-paper-size-limit/6896/5),
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the maximum diameter for a roll is about 42mm.
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## Printer Commands
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The following examples are from the [thermal printer driver readme.md on
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github](https://github.com/clockworkpi/DevTerm/tree/main/Code/thermal_printer).
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### Console commands example
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echo "Hello DevTerm" \> /tmp/DEVTERM_PRINTER_IN
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echo -e "Hello DevTerm\n\n\n\n\n\n" \> /tmp/DEVTERM_PRINTER_IN
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cat file.txt \> /tmp/DEVTERM_PRINTER_IN
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ncal -hb \| tee \> /tmp/DEVTERM_PRINTER_IN
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### Eos/Pos commands example
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**ESC ! n**
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set printer font index,n:0-4
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` echo -en "\x1b\x0" > /tmp/DEVTERM_PRINTER_IN`
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**DC2 \# n**
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n:0-F, set printer printing density
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` echo -en "\x12\x23\x8" > /tmp/DEVTERM_PRINTER_IN`
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**DC2 T**
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print the test page
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` echo -en "\x12\x54" > /tmp/DEVTERM_PRINTER_IN`
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## Thermal Printer Spec Sheet
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The printer is a Xiamin liyin MTP02-I. The spec sheet is available on
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[github](https://github.com/clockworkpi/DevTerm/blob/main/Schematics/Spec_MTP02-I.pdf).
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