Printer control circuitry for reading ink information from a refill unit
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Akira Nakazawa, Christopher Hibbard, Paul Ian Mackey, Norman Micheal Berry, Garry Raymond Jackson
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Abstract
A refill unit for refilling an ink cartridge that forms part of an inkjet printer. The printer also having a printhead, control circuitry and an interface for releasably engaging the refill unit. The refill unit has a body containing a quantity of ink, an ink outlet, and a memory circuit for storing information relating to at least one characteristic of the ink. During use the memory circuit allows to the control circuit to interrogate it to verify that the ink in the refill unit is suitable for the printer.
Claims8
An inkjet printer comprising:
- an ink cartridge;
- a printhead;
- and
- control circuitry for reading ink information from a memory circuit of a refill unit, the ink information relating to at least one characteristic of ink contained in the refill unit, for verifying that the ink in the refill unit is suitable for refilling the ink cartridge from the ink information, and for modifying the maximum print speed of the printhead in response to the ink information.
Dependencies are inferred from the claim text.