Ink jet recording device
AssigneeCanon Kabushiki Kaisha
InventorTsuyoshi Kanke
Life of this patent
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Abstract
An ink jet recording device capable of maintaining an ejection stability for a long period of time. The ink jet recording device includes a recording head having an ejection port configured to eject an aqueous ink and an ejection-port surface in which the ejection port is opened and a liquid supply mechanism configured to supply an ejection-port clogging prevention liquid into the ejection port, the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.
Claims17
An ink jet recording device comprising:
- a recording head having:
- an ejection port configured to eject an aqueous ink;
- and
- an ejection-port surface in which the ejection port is opened;
- and
- a liquid supply mechanism configured to supply an ejection-port clogging prevention liquid into the ejection port,
- wherein the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and
- wherein the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.
An ink jet recording device comprising:
- a recording head having:
- an ejection port configured to eject an aqueous ink;
- and
- an ejection-port surface in which the ejection port is opened;
- and
- a liquid supply mechanism having:
- a liquid holding portion configured to hold the clogging prevention liquid;
- and
- a press unit configured to press the liquid holding portion to the ejection-port surface,
- wherein the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and
- wherein the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.
Dependencies are inferred from the claim text.