Brother MFC J870DW Ink Refill for pennies.

By purchasing a ink refill kit that contains three blk bottles and one each of M, C & Y colors you can refill your blk cartridge 30 times and your colors 14 times. This cost works out to about 17 cents per refill as opposed to purchasing new cartridges for $6 or more. Below is an example:
www.amazon.com...

[@cynic777]

thank you for this going to try it on your advice i have exact same printer tired of buying cartridges