| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cleaning method of a liquid flow passage of a liquid ejecting device and of a liquid flow passage of an ink cartridge, a reusable ink cartridge obtained by the cleaning method, and a refilled ink cartridge in which ejecting stability of refilled ink in the ink cartridge is guaranteed. <P>SOLUTION: The liquid flow passage of the liquid ejecting device and that of the ink cartridge are cleaned using a cleaning liquid containing at least one kind out of the following compounds: (1) perfluoroalkyl sulfonimide and its derivative; (2) perfluoroalkyl sulfonamide and its derivative; (3) perfluoroalkyl sulfonic acid and its derivative; (4) perfluoroalkyl disulfonic acid and its derivative; and (5) fluorosulfonimide and its derivative, wherein the carbon number of alkyl in the (1) to (4) is 1-4. <P>COPYRIGHT: (C)2012,JPO&INPIT |
