PRINTING APPARATUS AND CONTROL METHOD THEREFOR

PRINTING APPARATUS AND CONTROL METHOD THEREFOR

A method for inspecting an ink discharge status based on a temperature change of an energy generating element includes calculating a difference value between a value obtained by statistics of information indicating ink discharge statuses obtained for a plurality of nozzles close to a target nozzle a...

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Hauptverfasser: Sato, Kohei, Chikuma, Toshiyuki, Oikawa, Yuhei, Kano, Yutaka, Fukasawa, Takuya
Format: Patent
Sprache:eng
Schlagworte:
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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creator Sato, Kohei
Chikuma, Toshiyuki
Oikawa, Yuhei
Kano, Yutaka
Fukasawa, Takuya
description A method for inspecting an ink discharge status based on a temperature change of an energy generating element includes calculating a difference value between a value obtained by statistics of information indicating ink discharge statuses obtained for a plurality of nozzles close to a target nozzle and the information obtained for the target nozzle; comparing the calculated difference value with a predetermined threshold; and judging the ink discharge status for the target nozzle based on a result of the comparison. This enables to appropriately detect a nozzle which is in a discharge failure status due to an ink droplet adhered to a discharge surface of a printhead or the like.
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subjects CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
title PRINTING APPARATUS AND CONTROL METHOD THEREFOR
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