Refill Brother LC-3219 LC-3217 inkjet cartridge, ink chip replacement

How to refill inkjet cartridges replacing Brother LC-3219 and LC-3217 cartridges? The tutorial also demonstrates replacing the old empty ink chip on such a cartridge with a new alternative ink chip.

Refill inks for Brother LC3219 LC3217: https://www.octopus-office.de/shop/en/printer-ink/printer-ink-brother/brother-lc-3217-lc-3219/5544/refill-ink-set-for-brother-lc-3217-lc-3219-cartridges-cmyk-pigmented?sPartner=Youtube001

Ink chips for Brother LC3219: https://www.octopus-office.de/shop/en/refill-supplies/ink-refill-supplies/chips-chip-resetter-brother/5621/ink-chip-kit-replacing-brother-lc-3219-xl-black-cyan-magenta-yellow?sPartner=Youtube001

ECO-Fill tips for refill syringes:
https://www.octopus-office.de/shop/en/refill-supplies/ink-refill-supplies/tools-equipment/1934/eco-fill-set-of-syringes-with-filling-tips?sPartner=Youtube001

This tutorial works for the inkjet cartrides of the following printer models:
MFC-J 5330 DW,
MFC-J 5330 DW XL,
MFC-J 5335 DW,
MFC-J 5335 DWF,
MFC-J 5730 DW,
MFC-J 5830 DW,
MFC-J 5930 DW,
MFC-J 6530 DW,
MFC-J 6535 DW,
MFC-J 6535 DW XL,
MFC-J 6730 DW,
MFC-J 6930 DW,
MFC-J 6935 DW,
MFC-J 6935 DWF

Видео Refill Brother LC-3219 LC-3217 inkjet cartridge, ink chip replacement канала OctopusConcept