The original Brother LC-61
cartridge is made not to be refilled.
If you want to refill, you have to refill the LC-61 refillable cartridges
which are made to be refilled and are easy to refill as
You can purchase a set of Brother LC-61 refillable cartridges
LC-61 and LC-65 are
Printer ink and Refill kits for your Printer