JPH0336848U

JPH0336848U -

Info

Publication number: JPH0336848U
Application number: JP9880489U
Authority: JP
Priority date: 1989-08-24
Filing date: 1989-08-24
Publication date: 1991-04-10

Description

[Brief explanation of the drawing]

第１図ａはこの考案に係る画像形成装置の一実
施例を示す構成図、第１図ｂは第１図ａの要部拡
大図、第２図は第１図ａの要部作用説明図、第３
図ａ，ｂは第１図ａの要部作用説明図、第４図は
従来と同様なドラム４及びサーマルヘツド２回り
の駆動機構を示す構成図、第５図は第１図ａ及び
第４図の作用を説明するためのフローチヤート、
第６図ａはインクシート５と印写紙とが静電吸着
した状態を示す図、第６図ｂは第６図ａの両者を
分離した状態を示す図、第７図は他の実施例の構
成図、第８図は第７図の要部斜視図、第９図は他
の実施例の作用を説明するためのフローチヤート
である。２……サーマルヘツド、３……印写紙、４……
ドラム、５……インクシート、６……送出ローラ
（インクシート搬送機構）、７……巻取ローラ（
インクシート搬送機構）、９……マイクロスイツ
チ、１３……ストツパローラ（ストツパ）、１５
……ストツパローラソレノイド（駆動手段）、５
０……分離カバー（分離部材）、５３……モータ
（駆動手段）。 FIG. 1a is a configuration diagram showing an embodiment of the image forming apparatus according to this invention, FIG. 1b is an enlarged view of the main part of FIG. 1a, and FIG. 2 is an explanatory diagram of the operation of the main part of FIG. 1a. , 3rd
Figures a and b are explanatory diagrams of the main parts of Figure 1a, Figure 4 is a configuration diagram showing the drive mechanism around the drum 4 and thermal head 2 similar to the conventional one, and Figure 5 is a diagram showing the drive mechanism around the drum 4 and the thermal head 2. Flowchart to explain the action of the diagram,
Fig. 6a shows a state in which the ink sheet 5 and printing paper are electrostatically attracted, Fig. 6b shows a state in which they are separated from Fig. 6a, and Fig. 7 shows another embodiment. FIG. 8 is a perspective view of the main part of FIG. 7, and FIG. 9 is a flowchart for explaining the operation of another embodiment. 2...Thermal head, 3...Print paper, 4...
Drum, 5... Ink sheet, 6... Delivery roller (ink sheet conveyance mechanism), 7... Winding roller (
ink sheet conveyance mechanism), 9... micro switch, 13... stopper roller (stopper), 15
...Stopper roller solenoid (driving means), 5
0... Separation cover (separation member), 53... Motor (driving means).

Claims

[Claims for Utility Model Registration] (1) A thermal head that generates heat, a drum that is provided facing the thermal head and that winds the printing paper, and a drum that is arranged between the thermal head and the drum and that wraps the printing paper. In an image forming apparatus including an ink sheet for performing thermal transfer, and an ink sheet transport mechanism on a delivery side and a take-up side for transporting the ink sheet, an ink sheet transport mechanism is provided on the delivery side of the transport mechanism to transport the ink sheet. a stopper that can prevent the separation of the ink sheet and the printing paper; An image forming apparatus comprising: a drive means for driving a stopper to prevent conveyance of the ink sheet until separation of the ink sheet is detected. (2) A thermal head that generates heat, a drum that faces the thermal head and winds the printing paper, an ink sheet disposed between the thermal head and the drum for transferring onto the printing paper, and this ink sheet. In an image forming apparatus equipped with an ink sheet transport mechanism that transports an ink sheet, a separation member is provided on the outer periphery of the drum and can be inserted between the ink sheet and the printing paper, and after the thermal transfer is completed, the separation member is removed from the ink sheet. 1. An image forming apparatus comprising: a driving means for driving the sheet and the printing paper so as to interpose the image forming apparatus between the sheet and the printing paper.