Patent · US Active

System for managing replaceable modules in a digital printing apparatus

US7649638B2 · kind B2 · utility

11Cited by

43References

6Claims

0Family size

Assignee

Xerox Corporation · US

Inventors

Michael E. Beard · Spring, US
Roger W. Budnik · Rochester, US
James M. Pacer · Webster, US
Guru B. Raj · Hillsboro, US
Ralph A. Shoemaker · Rochester, US
Michael G. Swales · Sodus, US
David E. Rollins · Lyons, US
Porfirio J. Perez · Walworth, US
Ameet S. Bhattacharya · Rochester, US
David P. VanBortel · Macedon, US
Steven E. Kolb · Estero, US

Key dates

Filing date	Nov 7, 2003
Grant date	Jan 19, 2010
Priority date	—
Expiry date	Aug 16, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG03G2221/1838
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An electrophotographic printing or copying machine includes a functional module which can be readily removed and replaced by service personnel. The module includes a monitor in the form of an electronically-readable memory, which includes information about how the particular module is to be operated. A distribution board electronically accesses the memories within the monitors and reads therefrom information, such as how much voltage to supply to different components within each module. The distribution board can also update the number of prints made with each module, and maintain this count within the monitors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.