Image forming apparatus, and a cartridge having a developer cont

Details Image forming apparatus, and a cartridge having a developer cont Image forming apparatus, and a cartridge having a developer cont

1996-10-24

1999-07-13

Grimley, Arthur T.

Electrophotography

Diagnostics

Consumable

399111, G03G 1500

Patent

active

059239174

ABSTRACT:
An image forming apparatus for forming image on a recording material includes a cartridge detachably mountable on the main body of the apparatus, which is provided with a developer container, a detector for detecting residual developer amounts in the developer container, and a memory for storing rewritable data, an access unit for accessing data on the memory, which writes data on consumed developer amounts to the memory after a detected residual amount of the residual amount detection detector arrives at a given value, and a display for indicating the absence of developer when data on consumed developer amounts arrives at a given value in the memory.

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patent: 5802419 (1998-09-01), Sakurai et al.

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