That looks like an excellent way of doing it.
I was told that by making a hole in the top of the cartridge that it would break a vacuum and allow it to leak - sorta like holding a filled straw at the top and then releasing top and watching the fluid run out.
I'm assuming that if the hole is...
All instructions to refill the T0481 series are to pierce a hole on the underside, refill and plug.
Photo of a cartridge taken apart is shown on the site below. Is it possible to drill through the top, into the chamber shown with the yellow ink, refill and plug? This has the distinct...
How do I fix that? Any assistance appreciated.....
Updated: It appears the 300 is a Japaneese model of a similar printer, and I haven't been able to find an english driver for it, either.