5. Final adjustments and calibration Step #8 History

Changes to Step #8

Edit by NATHAN M. DENKIN — Jun 18, 2019

	[title] Download Bear calibration firmware
-	[* 10] The Bear extruder is slightly taller in Z than original MK2.5S and MK3S extruder. We then need to temporarily flash a firmware to pass the Z calibration and selftest. After those steps we will guide you to flash stock firmware again.
-	[* 9] For security ~~reason~~, *~~always~~ use ~~the~~ stock firmware from Prusa Research* for printing.
+	[* 10] The Bear extruder is slightly taller in Z than the original MK2.5S and MK3S extruder. We then need to temporarily flash a firmware to pass the Z calibration and selftest. After those steps we will guide you to flash stock firmware again.
+	[* 9] For security reasons, *we recommend the use of stock firmware from Prusa Research* for printing.
	[* 1] Select and download the latest Bear calibration firmware here: [https://github.com/bear-lab-3d/Prusa-Firmware/releases/latest\|github.com/bear-lab-3d/Prusa-Firmware]:
	[* 1] *MK3S* firmware name: ''Bear_Cal_FW123_MK3S-EINSy10a.hex''
	[* 1] *MK2.5S Rambo 13a* firmware name: ''Bear_Cal_FW123_MK25S-RAMBo13a.zip''
	[* 1] *MK2.5S Rambo 10a* firmware name: ''Bear_Cal_FW123_MK25S-RAMBo10a.zip''
	[* 10] MK2.5S firmware comes as a ZIP files containing several languages of the firmware. Extract the ZIP file and choose the language you prefer the most.
	[* 10] If you don't know which Mini-Rambo board you have, please refer to [https://www.prusa3d.com/downloads/firmware/EN-how-to-choose-firmware-MK25.pdf\|this document]

	[title] Download Bear calibration firmware
-	[* 10] The Bear extruder is slightly taller in Z than original MK2.5S and MK3S extruder. We then need to temporarily flash a firmware to pass the Z calibration and selftest. After those steps we will guide you to flash stock firmware again.
-	[* 9] For security ~~reason~~, *~~always~~ use ~~the~~ stock firmware from Prusa Research* for printing.
+	[* 10] The Bear extruder is slightly taller in Z than the original MK2.5S and MK3S extruder. We then need to temporarily flash a firmware to pass the Z calibration and selftest. After those steps we will guide you to flash stock firmware again.
+	[* 9] For security reasons, *we recommend the use of stock firmware from Prusa Research* for printing.
	[* 1] Select and download the latest Bear calibration firmware here: [https://github.com/bear-lab-3d/Prusa-Firmware/releases/latest\|github.com/bear-lab-3d/Prusa-Firmware]:
	[* 1] *MK3S* firmware name: ''Bear_Cal_FW123_MK3S-EINSy10a.hex''
	[* 1] *MK2.5S Rambo 13a* firmware name: ''Bear_Cal_FW123_MK25S-RAMBo13a.zip''
	[* 1] *MK2.5S Rambo 10a* firmware name: ''Bear_Cal_FW123_MK25S-RAMBo10a.zip''
	[* 10] MK2.5S firmware comes as a ZIP files containing several languages of the firmware. Extract the ZIP file and choose the language you prefer the most.
	[* 10] If you don't know which Mini-Rambo board you have, please refer to [https://www.prusa3d.com/downloads/firmware/EN-how-to-choose-firmware-MK25.pdf\|this document]