Summary
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New features
- New Edition: C1+ (Gen 2) → INDX Conversion Support - Added support for converting the C1+ Gen 2 to INDX, including belt switching.
- GT1.5 Belts - Added support for GT1.5 belts.
- Expansion Joints Gen 2 - Added support for Expansion Joints Gen 2, featuring a significantly shorter heat-absorption phase on CORE One+ (Gen 2).
- Automatic Nozzle Cleaner Calibration - Added automatic calibration of the nozzle cleaner.
- Load All / Unload All - Added Load All and Unload All options to the Filament menu.
- Filament Sensor Calibration - Added filament sensor calibration and improved handling of the “Not connected” state.
- Crash Dump Saving - Added the option to save crash dumps after a Red Screen event via Settings > System > Save Crash Dump. Crash dumps can help diagnose and debug user-reported issues.
- FLEX Material Current Profile - Added a dedicated current profile for FLEX materials (
M906 P2).
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Improvements and Changes
- Print State Bed Position - The bed now moves down after Empty Waste Bin, and when pausing, stopping, or finishing a print.
- Tool Mapping Persistence - Tool mapping is now preserved when reprinting a job.
- Chamber Grid - The chamber grid now closes automatically after a print is completed.
- INDX Head LED Dimming - INDX head LEDs now dim together with the chamber light.
- Menu Reorganization - Reorganized the menu structure for improved usability.
- Nozzle Cleaner Resume - The nozzle is reheated in the nozzle cleaner when resuming a print.
- Purge Point - Adjusted the purge point by +0.5 mm in Y.
- INDX Nozzle Presence Detection - Relaxed the upper threshold for nozzle presence detection to improve detection reliability.
- Ringdown Decay - Adjusted the "nozzle presence" decay treshold from 0.095 to 0.085.
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Fixes
- Incorrect Temperature After Runout - Fixed an issue causing an incorrect nozzle temperature to be displayed after a filament runout.
- Auto-Retract with Cold Nozzle - Fixed an issue where auto-retraction could be triggered with a cold nozzle.
- Bed Position After Print State Changes - Fixed cases where the bed did not move to the expected position after pausing, stopping, or completing a print.
This is the stable release of firmware 6.9.0 for the Founders Edition Prusa CORE One/+ INDX, and Prusa CORE One+ (Gen 2) INDX. This release introduces firmware support for the new CORE One+ (Gen 2) hardware.
Note: Firmware 6.9.0 is compatible only with Founders Edition Prusa CORE One/+ INDX, and Prusa CORE One+ (Gen 2) INDX.