Need visual instructions on refilling dell cartridges 720 trial

[cj8]

Hello,
can anyone tell me how to find picture instructions on refilling the "color trial" cartridge with a universal toner kit? also can you mix all 3 to fill the black cartridge?

 

[cj8]

thankyou everyone!!!! ) found link with pictures for my cartridges awesome http://www.jettecrefill.com/search.asp?b=1427