https://github.com/anachrocomputer/microprinter

Software to drive a till-receipt printer and make it do things that it was never intended to do.
https://github.com/anachrocomputer/microprinter

cbm-1000 citizen escape-sequences receipt-printer serial

Last synced: 23 days ago
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Software to drive a till-receipt printer and make it do things that it was never intended to do.

• Host: GitHub
• URL: https://github.com/anachrocomputer/microprinter
• Owner: anachrocomputer
• Created: 2016-02-27T10:33:34.000Z (over 9 years ago)
• Default Branch: main
• Last Pushed: 2024-05-20T21:01:37.000Z (over 1 year ago)
• Last Synced: 2025-01-16T10:49:00.298Z (9 months ago)
• Topics: cbm-1000, citizen, escape-sequences, receipt-printer, serial
• Language: C
• Homepage:
• Size: 32.2 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

          
# microprinter

Some code to drive the Citizen CBM 1000 till-receipt printer.

It can print text, graphics and barcodes. The C source

here is very much a work-in-progress and has some sections #ifdefed

out for development. What's left in place is a routine that will

print a PBM file (text format), which we use as a way to give

people a QR code that represents the Bristol Hackspace URL.

## The Printer

The Citizen CBM 1000 is a till-receipt printer that prints on

thermal paper.

It has a serial (RS-232) interface that can be connected to

a modern PC via a USB-to-serial adaptor cable and a 9-to-25 pin

converter.

It accepts ASCII text and uses escape sequences to control special

effects such as boldface and underlining.

Escape sequences are also used to send bit-mapped graphics to the

printer.

![Citizen CBM 1000 printer](CBM1000.jpg "Citizen CBM 1000 printer")

Later versions of the printer have a USB interface built-in.