mk-firmware-pack a collection of custom firmware images developed by the team to enable LibreDrive support on various Blu-ray and UHD optical drives
Encrypted Downgrade Support: Newer drives often require "encrypted" firmware images for updates; the MK pack removes these checks, making the drive compatible with standard, unencrypted flashers. Usage and Safety mk-firmware-pack
No Cross-Flashing Slim Drives: Never flash ASUS firmware onto an LG slim drive (like the BU40N) or vice versa; this is a guaranteed way to brick the drive. Typical output:
Once flashed, always reset your EEPROM to factory defaults via the printer menu or by sending M502 followed by M500. After resetting, input your saved Z-offset, run a new PID tune for the hotend and bed, and run a test print. Troubleshooting Common Issues the MK pack removes these checks
mk-firmware-pack -i project -o pack.fwpkg -s firmware.key
Typical output: