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Image forming apparatus that prevents generation of image...

Electrophotography – Internal machine environment – Temperature
Reexamination Certificate

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Image forming apparatus that prevents toner from being...

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus that quickly removes ozone present...

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus that recovers waste toner inside...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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IMAGE FORMING APPARATUS TO WHICH A DEVELOPING CARTRIDGE OR...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus using a roller type charging system

Electrophotography – Internal machine environment – Particle or contaminant control
Patent

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Image forming apparatus which back-transfers residual toner from

Electrophotography – Internal machine environment – Particle or contaminant control
Patent

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Image forming apparatus which can optimize cleaning time of...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus which can optimize cleaning time of...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus which can optimize cleaning time of...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus which cools an image forming cartridge

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus which maintains a temperature of a charg

Electrophotography – Internal machine environment – Particle or contaminant control
Patent

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Image forming apparatus which prevents adverse affects from heat

Electrophotography – Internal machine environment – Temperature
Patent

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Image forming apparatus which uses a plurality of...

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus with a blower to cool a scanning unit

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus with a blower to cool a scanning unit

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Image forming apparatus with a brush roller that rotates and...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus with a cleaning device

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus with a cleaning operation to improve...

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Image forming apparatus with a housing diffusing ozone

Electrophotography – Internal machine environment – Forced air circulation
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