Image recording apparatus

Details Image recording apparatus Image recording apparatus

2005-06-14

2005-06-14

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

06905186

ABSTRACT:
A test pattern is recorded in a margin of recording paper. A camera of a test pattern imaging device takes the image of the test pattern. A test pattern analyzer calculates deviation in feeding distance of the recording paper, and in movement of an inkjet head based on image data. The test pattern analyzer also detects a faulty nozzle. The feeding distance of the recording paper and the carrying distance of the inkjet head are corrected based on deviation, so that print imperfection caused thereby is prevented. The faulty nozzle is subjected to correction processes, such as a nozzle wiping process, an ink discharge process, an ink suction process and the like.

REFERENCES:
patent: 5736996 (1998-04-01), Takada et al.
patent: 5825378 (1998-10-01), Beauchamp
patent: 6412902 (2002-07-01), Matsumoto et al.
patent: 2001/0004284 (2001-06-01), Fukuda et al.
patent: 11-198358 (1999-07-01), None

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