JPH0241951U

JPH0241951U -

Info

Publication number: JPH0241951U
Application number: JP12141788U
Authority: JP
Priority date: 1988-09-16
Filing date: 1988-09-16
Publication date: 1990-03-22

Description

[Brief explanation of drawings]

第１図は本考案に係るプリンタ装置の実施例を
示す説明図、第２図は従来のプリンタ装置を示す
斜視図である。図中、１はプラテン、２は用紙、３は押えロー
ラ、４は搬送ローラ、６はマーカ印刷機構、７は
光センサ、８は光センサ回路、９は印字ヘツドで
ある。なお、図中同一符号は同一または相当部分
を示す。 FIG. 1 is an explanatory view showing an embodiment of a printer device according to the present invention, and FIG. 2 is a perspective view showing a conventional printer device. In the figure, 1 is a platen, 2 is paper, 3 is a press roller, 4 is a conveyance roller, 6 is a marker printing mechanism, 7 is an optical sensor, 8 is an optical sensor circuit, and 9 is a print head. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A platen that wraps around the incoming paper,
A rotatable presser roller that is close to the platen and presses the paper against the platen, a rotatable transport roller that presses the platen through the paper and conveys the paper to the ejection port, and a scale on the edge of the paper. a printing mechanism that can freely move forward and backward to print, an optical sensor that detects the printed scale, and an optical sensor circuit that is connected to the optical sensor and adjusts the amount of rotation of the conveying roller based on the scale detected by the optical sensor. 1. A printer device comprising: a printing head for printing on paper wound around a platen;