JPS5612655A - Paper feed controller - Google Patents

Paper feed controller

Info

Publication number
JPS5612655A
JPS5612655A JP8785279A JP8785279A JPS5612655A JP S5612655 A JPS5612655 A JP S5612655A JP 8785279 A JP8785279 A JP 8785279A JP 8785279 A JP8785279 A JP 8785279A JP S5612655 A JPS5612655 A JP S5612655A
Authority
JP
Japan
Prior art keywords
paper
feed
paper feed
rollers
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8785279A
Other languages
Japanese (ja)
Inventor
Akio Katsumata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8785279A priority Critical patent/JPS5612655A/en
Publication of JPS5612655A publication Critical patent/JPS5612655A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paper Feeding For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

PURPOSE: To stop feed rollers in order to ensure always constant paper feed, by providng a sensor for detecting transfer paper between the feed rollers and timing rollers to detect arrival of the transfer paper with the sensor.
CONSTITUTION: When a paper feed signal from the main body of a copier is applied to set terminal S of flip-flop FF, FF is set, transistor TR1 is turned on, and paper feed is actuated. When the transfer paper is fed from feed rollers 2 and its front end reaches paper detecting sensor 4, light from lamp 5 is interrupted by the paper, and the resistance value of CdS6 rises. When the paper detection output due to resistance R1 and CdS6 becomes larger than the reference voltage, timer T starts. After a constant time, timer T generates output and TR1 becomes nonconducting, and drive of feed rollers is stopped, permitting always constant paper feed to be ensured.
COPYRIGHT: (C)1981,JPO&Japio
JP8785279A 1979-07-11 1979-07-11 Paper feed controller Pending JPS5612655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8785279A JPS5612655A (en) 1979-07-11 1979-07-11 Paper feed controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8785279A JPS5612655A (en) 1979-07-11 1979-07-11 Paper feed controller

Publications (1)

Publication Number Publication Date
JPS5612655A true JPS5612655A (en) 1981-02-07

Family

ID=13926409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8785279A Pending JPS5612655A (en) 1979-07-11 1979-07-11 Paper feed controller

Country Status (1)

Country Link
JP (1) JPS5612655A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100406991B1 (en) * 2001-08-09 2003-11-28 삼성전자주식회사 Paper sensing device for image forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100406991B1 (en) * 2001-08-09 2003-11-28 삼성전자주식회사 Paper sensing device for image forming apparatus

Similar Documents

Publication Publication Date Title
JPS5683775A (en) Waiting time display device for copier or the like
JPS5272233A (en) Detector for paper jam in the electrophotographic copying machine
JPS57166258A (en) Detecting method of residual quantity of roll paper
JPS5612655A (en) Paper feed controller
JPS5269633A (en) Detector for absence of paper
JPS5280123A (en) Detection of irregularity in copier
JPS5522774A (en) Fixing device
JPS55161740A (en) Paper sheet feeding control system
JPS579656A (en) Feed controller
JPS54162929A (en) Sheet cut control system
JPS57136633A (en) Recorder
JPS6461740A (en) Image forming device
JPS563241A (en) Anomaly detecting apparatus in paper feeding
JPS5652765A (en) Cut sheet feeder
JPS6453961A (en) Image forming device
JPS5482912A (en) Facsimile transmitter
JPS5398673A (en) Sheet feed control system
JPS5475760A (en) Paper jam detector
JPS57167289A (en) Stamping device
JPS57212462A (en) Transfer sheet storing device of copying machine
JPS57144571A (en) Double feed detector
JPS5789983A (en) Print controlling system
JPS52150640A (en) Copier
JPS52135734A (en) Stop detecting system for the running operation of transfer paper
JPS57136634A (en) Recorder