Image forming apparatus having position detection mechanism

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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C347S005000, C347S042000

Reexamination Certificate

active

07828400

ABSTRACT:
In an image forming apparatus having a recording head including a plurality of nozzle arrays for ejecting each ink droplet per color for plural colors respectively onto a transported recording medium, a positioning mechanism of the image forming apparatus having a detection mechanism for preventing a printing quality on a recording medium from degrading by comprising a transport mechanism for transporting in order to form an image on the recording medium, and a carriage placed on an opposite positions of the transport mechanism and a belt platen; placing a sensor for detecting a relative inclination between the transport direction and the recording head; detecting and calculating an inclination of the transport direction vis-à-vis the recording head, and controlling the relative inclination based on the calculation result.

REFERENCES:
patent: 6603495 (2003-08-01), Hayakawa
patent: 6869166 (2005-03-01), Brugue et al.
patent: 6890061 (2005-05-01), Freire et al.
patent: 2002/0089556 (2002-07-01), Riou
patent: 10-035021 (1998-02-01), None

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