Image forming apparatus having programmable developer cartridge
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United States of America Patent
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-
Nov 26, 1996
Grant Date -
N/A
app pub date -
Dec 30, 1994
filing date -
Dec 31, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method for driving a developing unit in an image forming apparatus having a programmable developer cartridge capable of locking the developing unit for use only by an authorized user. A device for locking an article of consumption in an image forming apparatus includes a first memory device connected to the article of consumption, for storing a first identification code therein; a second memory device disposed in the image forming apparatus; and a controller for controlling the driving of the article of consumption, the control unit including the second memory device for storing a predetermined identification code and a locking device for generating a release signal which drives the article of consumption, when the first identification code read from the first memory device corresponds to the predetermined identification code read from the second memory device.
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