Image forming apparatus having deterioration quantity of photosensitive drum determining capability

Image forming apparatus having deterioration quantity of photosensitive drum determining capability

An image forming apparatus including a motor, a photosensitive drum, a developing roller, a main memory, and a controller. The controller is configured to perform storing a first rotation number and a second rotation number in the main memory. The first rotation number is the rotation number of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Ozaki, Marika, Suzuki, Shintaro, Hirano, Sota, Komori, Ayaka, Hinoue, Kazuma
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:An image forming apparatus including a motor, a photosensitive drum, a developing roller, a main memory, and a controller. The controller is configured to perform storing a first rotation number and a second rotation number in the main memory. The first rotation number is the rotation number of the photosensitive drum rotated in a first state where the photosensitive drum rotates and the developing roller is stopped. The second rotation number is the rotation number of the photosensitive drum rotated in a second state where the photosensitive drum rotates and the developing roller rotates. The controller is further configured to perform, in a case where the photosensitive drum rotates, determining a total deterioration quantity of the photosensitive drum which is a cumulative deterioration quantity of the photosensitive drum based on the first rotation number and the second rotation number.