I started using inks from NAzdar (11/10, then 20/20, all resold by other companies who get it from Nazdar) after my magenta head gave me problems on oem ink (around Christmas) . There were several other 64s owner around that time having trouble with oem ink, specifically magenta. By the time I got through a little more than half the 3rd party magenta cartridge, the machine started to print perfectly again. No costly repair. Never an admission from Seiko that they had some bad ink either. Been using Nazdar inks for 30 years as a screenprinter, great company, great products. Carts were plug and play into existing ink system.
Hey Will- we have been using Sam-ink in our HP9000 and Sieko 64 (pretty much the same printer) for over two years now. The switch was seamless and has continued to be high quality. If you have any other questions feel free to email me.
Sam Ink are Grate , I am using it for Hp Z6100 and Hp 9000. You can get good dela from this site if you contact them . they have original part and print head also and they offer in good price. www.samink.ca contact them for better price.
Sam inks work great! I have been servicing HP 9000 and Seikos in CA using Sam inks with no problem. Please contact me directly for avaliablity on the west coast!