JPH02127652U

JPH02127652U -

Info

Publication number: JPH02127652U
Application number: JP3472889U
Authority: JP
Priority date: 1989-03-29
Filing date: 1989-03-29
Publication date: 1990-10-22

Description

[Brief explanation of drawings]

第１図は本案による用紙ジヤムチエツク処理の
フロー図、第２図は電子写真プリンタの断面図、
第３図は従来の用紙ジヤムチエツク処理のフロー
図である。４……給紙部用紙検出手段、５……排紙部用紙
検出手段、６……感光体、７……メイン帯電器、
８……現像器、９……転写用帯電器、１０……用
紙、１５……クリーナ装置、１６……イレーズラ
ンプ、１７……給紙カセツト、１８……ピツクア
ツプローラ、２１，２１′……排紙ローラ、２２
……排紙トレイ、２３……露光源。 Figure 1 is a flow diagram of paper jam check processing according to the present invention, Figure 2 is a sectional view of an electrophotographic printer,
FIG. 3 is a flow diagram of a conventional paper jam check process. 4...Paper feed section paper detection means, 5...Paper discharge section paper detection means, 6...Photoconductor, 7...Main charger,
8... Developing device, 9... Transfer charger, 10... Paper, 15... Cleaner device, 16... Erase lamp, 17... Paper feed cassette, 18... Pick up roller, 21, 21'... Paper ejection roller, 22
... Paper output tray, 23 ... Exposure source.

Claims

[Scope of utility model registration request]

a paper feeding means for feeding paper from a paper cassette;
A paper feeding section paper detection means for checking whether paper is fed by the paper feeding means, a paper transport means for sending out the paper, a photoreceptor means for forming an electrostatic latent image, and a fixing means for fixing a toner image on the paper. In an electrophotographic printer, which consists of a paper ejection section paper detection means for checking whether paper has been ejected from the electrophotographic printer, and a control means for controlling these, the paper feed section is After checking the presence or absence of paper by the paper detection means,
A paper jam detection device characterized in that the presence or absence of paper is also checked in the paper discharge section paper detection means regardless of the presence or absence of paper.