JPH0258242U

JPH0258242U -

Info

Publication number: JPH0258242U
Application number: JP13620388U
Authority: JP
Priority date: 1988-10-20
Filing date: 1988-10-20
Publication date: 1990-04-26

Description

[Brief explanation of drawings]

第１図は、本考案に従う補助ユニツトの一具体
例を備えたレーザビームプリンタの一例を簡略的
に示す断面図。第２図は、第１図の補助ユニツト
の受入再送手段の前部を示す平面図。２……装置本体、１２……回転ドラム、５１…
…搬送経路、３０２……排出ユニツト、３０４…
…補助ユニツト、３８０……導入経路、３８２…
…第１の送給経路、３８４……第２の送給経路、
３８６……受入再送手段、３９９……駆動源、４
０５……移送手段、４５０及び４５８……ベルト
。 FIG. 1 is a sectional view schematically showing an example of a laser beam printer equipped with a specific example of an auxiliary unit according to the present invention. 2 is a plan view showing the front part of the receiving and retransmitting means of the auxiliary unit of FIG. 1; FIG. 2... Apparatus main body, 12... Rotating drum, 51...
...Conveyance route, 302...Discharge unit, 304...
...Auxiliary unit, 380...Introduction route, 382...
...first feeding route, 384...second feeding route,
386... Acceptance and retransmission means, 399... Drive source, 4
05...transport means, 450 and 458...belt.

Claims

[Claims for Utility Model Registration] 1. An introduction path for introducing a sheet member with an image formed on one side while being conveyed through the conveyance path, and an introduction path for receiving the sheet member and directing the received sheet member toward the conveyance path. a first feeding path for guiding the sheet member introduced through the introduction path to the reception and retransmission means from the front end; and a first feeding path for guiding the sheet member introduced through the introduction path from the rear end a second feeding path leading to the retransmission means;
a transport means disposed between the first feeding path and the second feeding path and acting on a sheet member fed through these paths, the sheet member being fed through the first feeding path; When being fed through the feeding path, the transfer means is rotated in the predetermined direction, and by the action of the transfer means, the sheet member is guided from the front end to the receiving and retransmitting means, while the sheet member When the sheet member is fed through the feeding path, the conveying means is rotated in a direction opposite to the predetermined direction, and the sheet member is guided from the rear end to the receiving and retransmitting means by the action of the conveying means. auxiliary unit. 2. The transfer means includes an endless belt wound between a pair of rollers, the lower feeding portion of the belt defines the upper side of the first feeding path, and the belt is fed through the first feeding path. Acts on the upper surface of the supplied sheet member,
2. The auxiliary unit according to claim 1, wherein the upper running portion of the belt defines the lower side of the second feeding path and acts on the lower surface of the sheet member fed through the second feeding path.