The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2000
Filed:
Sep. 10, 1998
Applicant:
Inventors:
Augustus J Rogers, IV, West Linn, OR (US);
Charles F Moore, Tualatin, OR (US);
Assignee:
Tektronix, Inc., Wilsonville, OR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399 12 ; 399223 ; 399 28 ;
Abstract
A color capable electrophotographic printer remains operable for monochrome printing when one or more toner cartridges are unavailable for use. Instead of reverting to an error state when a toner cartridge is missing or unavailable, the laser printer remains operable to print monochrome images or single 'spot color' images using a single color and monochrome toner.