Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means

Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means

An image forming apparatus includes a storage chamber configured to store developer, a plurality of sheet members disposed between a first electrode and a second electrode and disposed in the storage chamber, and a detecting portion configured to detect an output value relating to the capacitance be...

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Hauptverfasser: Kanazawa Takayuki, Namiki Takayuki
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator Kanazawa Takayuki
Namiki Takayuki
description An image forming apparatus includes a storage chamber configured to store developer, a plurality of sheet members disposed between a first electrode and a second electrode and disposed in the storage chamber, and a detecting portion configured to detect an output value relating to the capacitance between the first electrode and the second electrode. The amount of the developer is detected on the basis of the degree of deterioration of any one of the plurality of sheet members and the output value.
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means
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