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add: printers, fix: fullbleed printing

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Evan Reichard
2026-01-19 09:31:48 -05:00
parent 00a486c5e6
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modules/nixos/services/printing/README.md Normal file
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# Printing Service Module
This module configures a Canon PIXMA iX6820 printer for fullbleed/borderless printing on NixOS.
## PPD File
The `Canon_PIXMA_iX6820_AirPrint.ppd` file is essential for enabling fullbleed (borderless) printing on the Canon PIXMA iX6820.
The default IPP/PPD driver included with Linux claims to support borderless printing, but it never works in practice. This custom PPD was generated via macOS and manually converted to work with Linux/CUPS to actually enable fullbleed printing functionality. It provides CUPS with the necessary printer capabilities and configuration options, including the `4x6.Fullbleed` page size and media type options.
## Nix Module
The module (`default.nix`) provides a NixOS service that:
- Enables CUPS printing service
- Installs the custom PPD driver for the Canon PIXMA iX6820
- Configures the printer via `hardware.printers.ensurePrinters`
- Sets default print options for high-quality borderless photo printing:
- Page size: 4x6 Fullbleed
- Color model: RGB
- Print quality: High
- Media type: Photographic
- Sets the printer as the default system printer