Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiya Kojima0
Date of Patent
September 6, 2011
0Patent Application Number
124130030
Date Filed
March 27, 2009
0Patent Primary Examiner
Patent abstract
An ink jet printer has a carriage equipped with a recording head. The carriage is disposed downstream in a feeding direction of a recording medium. The carriage has an optical sensor for measuring dirt on a supply roller. When the supply roller is dirty, a cleaning operation is started to rotate the supply roller as being pressed onto a separation pad. The dirt on the supply roller is measured with the optical sensor, and the cleaning operation lasts until the dirt is removed from the supply roller.
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