Ok, so I just bought a pre-filled Rihac CIS and fitted it to my 4 year old Canon MP530. It works fine, but I've got a few noob questions:
1) My original cartridges are CLI-8C, CLI-8M, CLI-8Y, CLI-8Bk, and PGI-5Bk. I noticed on the CIS that the two black tanks are marked as BK, so there is no...