Printing up to edge of printing paper without platen soiling

Details Printing up to edge of printing paper without platen soiling Printing up to edge of printing paper without platen soiling

2005-10-11

2005-10-11

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S012000, C347S040000

Reexamination Certificate

active

06953237

ABSTRACT:
Using a printer having a recessed portion, printing up to the edge of printing paper is performed without depositing ink drops on the platen. Printing paper P is advanced by upstream paper feed rollers25a, 25b, and when its leading edge Pf reaches the opening of a downstream recessed portion26r, printing is initiated using nozzles #1-#3. Since printing commences with leading edge Pf situated upstream from nozzle #1, even if there is some degree of error in paper feed, the image can be printed up to the edge of leading edge portion Pf. Subsequently, printing of the midsectional portion of the printing medium is performed with nozzles #1-#13. During both printing of the leading edge portion of the printing paper using nozzles #1-#3 and printing of the midsectional portion of the printing paper using nozzles #1-#13, printing is carried out in units of a band of predetermined width in the printing paper feed direction. Thus, when transitioning from printing of the leading edge portion to printing of the midsectional portion, printing can be switched efficiently in band units.

REFERENCES:
patent: 6808259 (2004-10-01), Rasmussen et al.
patent: 2002-103584 (2002-04-01), None

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