Ink-jet type high-speed bill printer

Ink-jet type high-speed bill printer

  • CN 101,628,501 A
  • Filed: 07/31/2009
  • Published: 01/20/2010
  • Est. Priority Date: 07/31/2009
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of ink-jet type high-speed bill printer, comprise frame, the defeated paper rubber roll that is used for conveyance of sheets is installed on the described frame, described defeated paper rubber roll is connected with defeated paper motor, the paper position encoder is installed on the described defeated paper rubber roll, on described frame, install and be used to detect the paper edge sensor and the color mark sensor that is used to obtain the dark mark of paper edge and determines the printer page original position whether paper exists and confirm the paper edge of the initial location of printer page, it is characterized in that:

  • the outlet at described defeated paper rubber roll is provided with print head array, described print head array is spliced by a plurality of little width printheads, described bill printer also comprises ink jet printing controller, and described ink jet printing controller comprises;

    Printhead side-play amount control module, be used to write down the spray orifice line of each printhead and the position deviation Δ

    Xn and the Δ

    Yn of an initial print spray orifice line, Δ

    Yn is the spray orifice number that printhead overlaps with last adjacent print on the Y direction, the output that will be under an embargo when printout of this part spray orifice;


    Xn is the hysteresis that needs relative initial print head on directions X;

    Printing control model is used for determining the change in location of paper at linear movement direction according to the signal of paper position encoder, controls each printhead according to side-play amount and carries out isochronous printing.

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