Patent ID: 6378981
Filing Date: 2002-04-30
Classification: B41J

Abstract:
A method of servicing a nozzle plate portion of a print head of an inkjet printer having a wiper to remove unwanted accumulations from the nozzle plate portion of the print head, comprising the steps of:providing a container of servicing fluid; transferring said servicing fluid from said container onto at least one of two elements involved in print head servicing, said two elements consisting of said print head and said wiper, wiping said print head with said wiper by moving the wiper relative to the print head, said servicing fluid acting to enhance cleaning of the print head, wherein the servicing fluid comprises a servicing solvent and a surfactant, the surfactant being amine oxide surfactants having a structure wherein R is selected from an alkyl group having from eight to eighteen carbons and an alkyl group having from eight to eighteen carbons with a Oâ€”CH2â€”CH2â€”CH2â€” link to N; and Râ€² and Râ€³ are selected from the group consisting of hydrogen; a methyl group; an oxy ethyl group; and an oxy propoxyl group.