JPS544141A - Safety circuit for copying apparatus - Google Patents

Safety circuit for copying apparatus

Info

Publication number
JPS544141A
JPS544141A JP6974077A JP6974077A JPS544141A JP S544141 A JPS544141 A JP S544141A JP 6974077 A JP6974077 A JP 6974077A JP 6974077 A JP6974077 A JP 6974077A JP S544141 A JPS544141 A JP S544141A
Authority
JP
Japan
Prior art keywords
copying apparatus
safety circuit
roller
heaters
secnd
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.)
Granted
Application number
JP6974077A
Other languages
Japanese (ja)
Other versions
JPS614108B2 (en
Inventor
Masayoshi Watanuki
Koichi Noguchi
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 JP6974077A priority Critical patent/JPS544141A/en
Publication of JPS544141A publication Critical patent/JPS544141A/en
Publication of JPS614108B2 publication Critical patent/JPS614108B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE: To prevent abnormal temperature rise by heating a first roller and a secnd roller having a high thermal conductivity with the use of first and second heaters under simultaneous control of a fixing roller such that one of the heaters is supplied with power while the other being deenergized.
COPYRIGHT: (C)1979,JPO&Japio
JP6974077A 1977-06-13 1977-06-13 Safety circuit for copying apparatus Granted JPS544141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6974077A JPS544141A (en) 1977-06-13 1977-06-13 Safety circuit for copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6974077A JPS544141A (en) 1977-06-13 1977-06-13 Safety circuit for copying apparatus

Publications (2)

Publication Number Publication Date
JPS544141A true JPS544141A (en) 1979-01-12
JPS614108B2 JPS614108B2 (en) 1986-02-06

Family

ID=13411497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6974077A Granted JPS544141A (en) 1977-06-13 1977-06-13 Safety circuit for copying apparatus

Country Status (1)

Country Link
JP (1) JPS544141A (en)

Also Published As

Publication number Publication date
JPS614108B2 (en) 1986-02-06

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