Invention Grant
US5418603A Image forming apparatus capable of evaluating image forming performance
失效
能够评价图像形成性能的图像形成装置
- Patent Title: Image forming apparatus capable of evaluating image forming performance
- Patent Title (中): 能够评价图像形成性能的图像形成装置
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Application No.: US124081Application Date: 1993-09-20
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Publication No.: US5418603APublication Date: 1995-05-23
- Inventor: Hiroshi Kusumoto , Daisuke Hayashi , Hideki Ishida , Shoichi Kitagawa , Takashi Nagashima , Mitsugu Miyamoto
- Applicant: Hiroshi Kusumoto , Daisuke Hayashi , Hideki Ishida , Shoichi Kitagawa , Takashi Nagashima , Mitsugu Miyamoto
- Applicant Address: JPX Osaka
- Assignee: Mita Industrial Co., Ltd.
- Current Assignee: Mita Industrial Co., Ltd.
- Current Assignee Address: JPX Osaka
- Priority: JPX4-256736 19920925; JPX4-256737 19920925; JPX4-258446 19920928
- Main IPC: G03G15/00
- IPC: G03G15/00 ; H04N1/00 ; G03G15/04
Abstract:
An image forming apparatus includes an original placement portion and a reference original portion outside of the original placement portion, a scanning device capable of selectively scanning either the original placement portion or the reference original portion, an image forming device for forming an image in accordance with the scanning device, a selection device for selecting the scanning of the original placement portion or the scanning of the reference original portion, and a reading device for reading an image of the reference original portion formed by the image forming device to evaluate a performance of the image forming device.
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