Patent · US Expired

Method for updating a printer firmware

US6467087B1 · kind B1 · utility

55Cited by
8References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1999
Grant dateOct 15, 2002
Priority date
Expiry dateDec 16, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F8/65
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for updating a printer firmware is disclosed. The method achieves updating a printer firmware by use of downloading a printer firmware from the network or some media. More specifically, a Printer Job Language (PJL) Download Command of printer firmware is downloaded through an input port of the printer, such as serial port, parallel port or a network interface. The Printer Firmware Blocks of the printer firmware are then written into a nonvolatile memory of the printer, such as a Flash ROM to achieve in printer firmware updating.

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