MAINTAINING OPTICAL DENSITY OF IMAGES PRODUCED BY A PRINTING DEVICE

A method for maintaining the optical density of a printing device includes, with a printhead module of the printing device, printing a color region onto a first test page, the color region comprising a plurality of sub-regions, each of the sub-regions being printed with a different drive voltage; me...

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Bibliographic Details
Main Authors MAOZ RAZ, TUTTNAUER RON
Format Patent
LanguageEnglish
Published 12.01.2012
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A method for maintaining the optical density of a printing device includes, with a printhead module of the printing device, printing a color region onto a first test page, the color region comprising a plurality of sub-regions, each of the sub-regions being printed with a different drive voltage; measuring an optical density of each of the sub-regions printed onto the first test page; determining a response curve based on a relationship between the optical density of the sub-regions and the different drive voltages used to print the sub-regions; and, using the response curve, determining a target drive voltage for the printhead module which will cause the printhead module to print at a target optical density.
Bibliography:Application Number: US20100834563