Printing cartridge pigment replenishment apparatus and method
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United States of America Patent
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-
Nov 23, 2004
Grant Date -
Oct 2, 2003
app pub date -
Mar 29, 2002
filing date -
Mar 29, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus and method for refilling pigment cartridges. The apparatus includes a device for engaging a pigment cartridge and a pigment reservoir. A pigment transfer device, having an enabling input, is coupled to convey pigment from the pigment reservoir to the device for engaging a pigment cartridge upon activation of the enabling input. The apparatus also includes an accounting device coupled to the enabling input, such that the accounting device activates the enabling input upon receiving an account stimulus, and, thereby effects a transfer of pigment from the pigment reservoir to the pigment cartridge. In illustrative embodiments the pigment is toner or ink for laser printers and inkjet printer respectively. The accounting stimulus may be approval for a credit card transaction, a cost accounting systems, or may be cash payment.
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