Invention Grant
- Patent Title: Toner calibration measurement
- Patent Title (中): 墨粉校准测量
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Application No.: US11771121Application Date: 2007-09-25
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Publication No.: US07995939B2Publication Date: 2011-08-09
- Inventor: Albert Mann Carter, Jr. , Gary Allen Denton , Cary P. Ravitz
- Applicant: Albert Mann Carter, Jr. , Gary Allen Denton , Cary P. Ravitz
- Applicant Address: US KY Lexington
- Assignee: Lexmark International, Inc.
- Current Assignee: Lexmark International, Inc.
- Current Assignee Address: US KY Lexington
- Main IPC: G03G15/00
- IPC: G03G15/00

Abstract:
The present disclosure relates to a method, system and apparatus for calibrating an image forming device using a toner patch sensor which emits and detects light in at a given wavelength. A plurality of toner patches may be deposited onto a control surface, wherein the toner patches include a first toner patch including a first toner, a second toner patch including the first toner deposited over a second toner, and a third toner patch including the second toner. Signals indicative of the reflectivity of the plurality of toner patches and the control surface may be measured by emitting light of a given wavelength in the infrared spectrum and detecting the amount of incident light reflected from said plurality of toner patches and said control surface. The signals indicative of reflectivity may then be used to adjust operating parameters of the image forming device which may then control toner mass density.
Public/Granted literature
- US20090080920A1 Toner Calibration Measurement Public/Granted day:2009-03-26
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