Incremental printing of symbolic information – Ink jet – Controller
Patent
1998-01-28
1999-12-14
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Controller
347 14, B41J 29393
Patent
active
060007761
ABSTRACT:
An image forming apparatus includes reading means for reading the density of a test pattern corresponding to each of plural recording elements of a recording head, the recording elements being arranged in an array, and the test pattern being recorded by the recording elements. An eliminating means eliminates error information, recorded from an area outside a test pattern are, from density information obtained by the reading means when the density of a test pattern end portion corresponding to an end portion of the array of plural of recording elements is determined. A means is provided for uniforming the image densities in correspondence with the plurality of recording elements based on density information from which the error information is eliminated by the eliminating means.
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Danzuka Toshimitsu
Fukushima Hisashi
Izumizaki Masami
Miura Yasushi
Moriguchi Haruhiko
Canon Kabushiki Kaisha
Dickens C.
Fuller Benjamin R.
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