Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 28, 2007
Patent Application Number
10603861
Date Filed
June 26, 2003
Patent Primary Examiner
Patent abstract
After a laser printer has been inactive for a long period of time, the CPU in the laser printer compares the remaining toner status determined based on a detection by a toner sensor during a warm-up operation prior for performing a printing operation and the last remaining toner status that was determined during a printing operation and that is stored in memory, and displays the larger of the two.
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