Hi, Have a look at click here.
The P707 isn't listed but you can check on the cartridge number and it will tell you which colour goes where.
I think, from what you say, that you are going to have to flush out the existing ink and refill properly.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.