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v2.6.2 - CC2 Authentication Fix

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@danielcherubini danielcherubini released this 08 Feb 14:48
v2.6.2
0008fb3

🔧 Bug Fixes

CC2 Printer Authentication (#330)

Fixed critical authentication issues preventing CC2 (Centauri Carbon 2) printers from connecting to Home Assistant.

What Was Fixed:

  • Multi-password fallback strategy: When no access code is provided, the integration now automatically tries:

    • Empty password (most common factory default)
    • "123456" (documented default password)

  • Improved setup flow: New two-step authentication process that explicitly asks if your printer requires an access code, with clear instructions pointing to printer settings (Settings → Network → Access Code).

  • Actual connection testing: The integration now performs real connection validation during setup instead of accepting CC2 printers without testing, preventing silent failures.

  • Fixed empty string persistence bug: Changed from falsy checks to explicit is not None checks so empty passwords are properly saved to your configuration.

  • Better error messages: When authentication fails, you now see helpful guidance pointing to exact printer settings location.

Who This Helps:

  • Users with CC2 printers that have empty passwords (factory default)
  • Users with CC2 printers using the "123456" default password
  • Users with custom access codes who were getting unhelpful "Registration timeout" errors
  • Anyone who experienced silent CC2 connection failures during setup

Migration Notes:

If your CC2 printer was failing to connect before this release:

  1. Remove and re-add your CC2 printer through the Home Assistant UI
  2. When asked "Does your printer require an access code?", select:
    • No if you haven't set a custom code (most common)
    • Yes if you've configured a custom access code in printer settings
  3. The integration will automatically try the correct passwords
  4. Your printer should now connect successfully!

Resolves: #329, Discussion #323

🔨 Developer Experience

CI Improvements (#327)

  • Pre-commit hooks: Added automatic code formatting and linting with ruff
  • Hooks run automatically on every commit to catch issues early
  • Ensures consistent code style across all contributions

📦 Dependencies

  • Bump actions/checkout from 6.0.1 to 6.0.2 (#312)
  • Bump actions/setup-python from 6.1.0 to 6.2.0 (#313)

🙏 Thanks

Special thanks to the community members who reported these CC2 authentication issues and provided detailed logs that made this fix possible!

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