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US 6,786,975 B1Granted
Method of cleaning printhead in inkjet printer
AssigneeEastman Kodak Company
InventorsMichael Long, Gregory J. Garbacz, Vincent E. Hamilton-Winbush
Life of this patent
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Abstract
A method of cleaning a printhead in an inkjet printer by removing organic debris deposits from the printhead, uses anyone of the liquid mixes of NaOCl (sodium hypochlorite) and H2O (water), H2O2 (hydrogen peroxide) and H2O, Na2S2O4 (sodium hydrosulfite) and H2O, CaCl2O2 (calcium hypochlorite) and H2O, or KMnO4 (potassium pernanganate) and H2O on the debris deposits, to serve as a cleaning agent.
Claims6
A method of cleaning a printhead in an inkjet printer by removing organic debris deposits from the printhead, said method comprising:
- applying anyone of the liquid mixes of NaOCl (sodium hypochlorite) and H2O (water), H2O2 (hydrogen peroxide) and H2O, Na2S2O4 (sodium hydrosulfite) and H2O, CaCl2O2 (calcium hypochlorite) and H2O, or KMnO4 (potassium pernanganate) and H2O on the debris deposits, to serve as a cleaning agent;
- drying the cleaning agent applied on the debris deposits, to leave a residue with the debris deposits;
- and
- washing the residue with the debris deposits off the printhead.
1 more element
Dependencies are inferred from the claim text.