Why couldn't there be an EEPROM in the cart which is written to by the
printer after every actuation of the printhead? In other words, the EEPROM
could contain a number, say 1 million, and it would be decremented after
each "squirt" from the printhead and when it reaches zero, the printer no
longer accepts the cart? This would mean that the cart couldn't be reused,
even in another printer.

Sean

At 10:59 PM 11/13/01 +1300, you wrote:


>That idea fits Jinx's model and experience but not mine (which I got from
>the leaflet in the refill package).
>Mine DEFINITELY allow multiple refills in the same printer if you use the
>supplied antidamage strip.
>MAYBE they would have anyway ???
>
>One that finally died does show damage to the contacts consistent with what
>you would expect from plugging into a sharp object such as a contact.
>Nothing is obviously "frangible" - more research needed.
>
>
>
>     R
>
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>
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