IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

An image forming apparatus includes a developer container, a development device, a developer replenishment device and a control part. The control part obtains a replenishment amount (X) of the developer replenished by the developer replenishment device from a last-time replenishment until a this-tim...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: OGASAHARA Okito
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:An image forming apparatus includes a developer container, a development device, a developer replenishment device and a control part. The control part obtains a replenishment amount (X) of the developer replenished by the developer replenishment device from a last-time replenishment until a this-time replenishment and a predicted consumption (Y) of the developer, calculated based on the image data output from the last-time replenishment until the this-time replenishment, and informs abnormality when an absolute value of a difference of the replenishment amount (X) and the predicted consumption (Y) is larger than a threshold value.