Non-aqueous cleaning liquid and cleaning method
AssigneeSeiko Epson Corporation
InventorsKeiji Iida, Kenichiro Kubota, Akihito Sao, Makoto Nagase, Maki Ito
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Abstract
A non-aqueous cleaning liquid which is used for cleaning an ink flow path, through which a non-aqueous ink is circulated, in an ink jet recording apparatus including the ink flow path and with which a container composed of polyolefin is filled, includes a pigment and an organic solvent. In the non-aqueous cleaning liquid, a content of the pigment is 0.001% by mass to 0.5% by mass and an average particle size (d50) of the pigment is 10 nm to 500 nm.
Claims12
A non-aqueous cleaning liquid which is used for cleaning an ink flow path, through which a non-aqueous ink is circulated, in an ink jet recording apparatus including the ink flow path and with which a container composed of polyolefin is filled, the non-aqueous cleaning liquid comprising:
- a pigment;
- and
- an organic solvent,
- wherein a content of the pigment is 0.001% by mass to 0.5% by mass.
Dependencies are inferred from the claim text.