stable solution: ink won't leaking from ink cartridge, printing effect is very goodrefillable ink cartridge(PGI-5BK,CLI-8C,CLI-8M,CLI-8Y) for Canon PGI-5BK,CLI-8C/M/Y:    
MX700  MP510/MP520  iP3300/iP3500 (Asia/Europe/America) 
iX4000,iX5000(Asia/Europ)
iX4000/iX5000