Patent · US Expired

Printer or copier with two printing units and a method for the operation thereof

US6101364A · kind A · utility

22Cited by
6References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1999
Grant dateAug 8, 2000
Priority date
Expiry dateJun 4, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00021
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for operating a printer or copier is disclosed. The method includes the following steps: supplying sheet-shaped material individually in succession through an input section to a first printing unit; printing an image pattern onto a sheet-shaped material with the first printing unit; sending the printed sheet-shaped material individually in succession from the first printing unit through an output section; supplying sheet-shaped material individually in succession through the input section to a second printing unit; printing an image onto the sheet-shaped material with the second printing unit; sending the printed sheet-shaped material individually in succession from the second printing unit through the output section; and in a simplex operating mode, alternating the supplying of sheet-shaped material to the first and second printing units by switching a first shunt disposed in the input section; and in a duplex operating mode, supplying printed sheet-shaped material, with printing disposed on a first side thereof, from the first printing unit through a first transfer printing transport path to a connecting channel to the second printer for printing transport path to the se…

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