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3.4.0 Firmware for Prusa i3 MK3 and MK2.5
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@PavelSindler PavelSindler released this 12 Sep 07:47
· 6435 commits to MK3 since this release
v3.4.0
0d4f4fe
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Learn about vigilant mode.

Summary:

  • Multimaterial - version 2 (MMU2) support
  • Filament sensor engine 2.0
  • Improved power panic
  • Adjustable beeper notifications
  • Feedrate and acceleration limits improved for the MK3
  • PINDA state shown in menu (MK3)
  • Time remaining fix

Detailed description of changes (compared to 3.4.0-RC2):

Multi Material unload improved:

Filament unload now contains ramming sequence. This ensures that tip of unloaded filament has no significant "strings" and thus overal reliability of printer in multimaterial mode is improved (stringing during unload could sometimes cause false FINDa triggering or jamming).

Time remaining fix:

Fixed issues #1103 and #1120.
In case that printer shows estimated time remaining (it must be supported in gcode file) and user changes speed factor during print, estimated time became inaccurate. In this case, there is "?" character shown on status screen to inform user that estimated remaining time is accurate only for case that speed factor is not changed.

Menus fix:

In previous firmware versions (3.4.0-RC1 and 3.4.0-RC2) there was bug which caused undesired printer behaviour (clear screen at the beginning of PID calibration, fullscreen messages was sometimes returning to main menu instead of going to status screen etc.). This has been fixed.

New messages translated:

New messages was translated to supported languages. This affects especially users who will use priner together with MMU2 (multi material unit v2).

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