NOZZLE CLOG DIAGNOSIS DEVICE

NOZZLE CLOG DIAGNOSIS DEVICE

An object is to provide a nozzle-clogging determining device capable of detecting nozzle clogging without causing an increase in the cost. A nozzle-clogging determining device (1) is configured to detect passing of droplets ejected from a plurality of nozzles of a head (102) of an inkjet printer, an...

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Hauptverfasser: TAKIZAWA, Naoki, SAKURAI, Kazumi, MIYASHITA, Eiji, KODAIRA, Masaki, MIZUSAKI, Akihiko
Format: Patent
Sprache:eng ; fre ; ger
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 TAKIZAWA, Naoki
SAKURAI, Kazumi
MIYASHITA, Eiji
KODAIRA, Masaki
MIZUSAKI, Akihiko
description An object is to provide a nozzle-clogging determining device capable of detecting nozzle clogging without causing an increase in the cost. A nozzle-clogging determining device (1) is configured to detect passing of droplets ejected from a plurality of nozzles of a head (102) of an inkjet printer, and includes a droplet detector (20) and a determination controller (30). The droplet detector (20) includes a light emitter (21) configured to emit detection light (L) for detecting passing of droplets in a direction intersecting with a traveling direction of droplets, and a light receiver (22) configured to receive the detection light (L). The determination controller (30) consecutively ejects a plurality of droplets from each nozzle of the head (102) at equal intervals, and has a threshold for performing determination on nozzle clogging on the basis of a light interception rate of the detection light (L) which the light receiver (22) receives when droplets are positioned inside a spot of the detection light (L) which the light receiver (22) receives.
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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 NOZZLE CLOG DIAGNOSIS DEVICE
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