JPS57163266A - Picture forming device - Google Patents

Picture forming device

Info

Publication number
JPS57163266A
JPS57163266A JP4891481A JP4891481A JPS57163266A JP S57163266 A JPS57163266 A JP S57163266A JP 4891481 A JP4891481 A JP 4891481A JP 4891481 A JP4891481 A JP 4891481A JP S57163266 A JPS57163266 A JP S57163266A
Authority
JP
Japan
Prior art keywords
roll
surface temperature
time
cooperation
heating
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
JP4891481A
Other languages
Japanese (ja)
Inventor
Masayuki Ito
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP4891481A priority Critical patent/JPS57163266A/en
Publication of JPS57163266A publication Critical patent/JPS57163266A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE:To decrease the warm-up time, by starting the function of a heating means and turning both a heating member and a pressure member in cooperation with each other after the surface temperature of the heating member reaches a prescribed level. CONSTITUTION:Both a heating roll 1 and a pressure roll 7 are turned in cooperation with each other for a prescribed period of time after the surface temperature of the roll 1 reaches a prescribed level and after a power supply is applied. In other words, when the potential V6 corresponding to the surface temperature of the roll 1 becomes higher than the reference potential VR after a main switch S1 is turned on, both the roll 1 and the roll 7 turn in cooperation with each other just for the time DELTAt by the changing signal. Thus the heat can be used with high efficiency to increase the surface temperature of the roll 7. At the same time, the surface temperature is never lowered extremely to attain the good fixing enable state in a short time. In such way, the warm-up time is decreased.
JP4891481A 1981-04-01 1981-04-01 Picture forming device Pending JPS57163266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4891481A JPS57163266A (en) 1981-04-01 1981-04-01 Picture forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4891481A JPS57163266A (en) 1981-04-01 1981-04-01 Picture forming device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12897283A Division JPS5962883A (en) 1983-07-14 1983-07-14 Image forming device

Publications (1)

Publication Number Publication Date
JPS57163266A true JPS57163266A (en) 1982-10-07

Family

ID=12816517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4891481A Pending JPS57163266A (en) 1981-04-01 1981-04-01 Picture forming device

Country Status (1)

Country Link
JP (1) JPS57163266A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106683A (en) * 1986-10-23 1988-05-11 Minolta Camera Co Ltd Fixing device
JPH01288892A (en) * 1988-05-16 1989-11-21 Sharp Corp Fixing device for copying machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53139539A (en) * 1977-05-12 1978-12-05 Fuji Xerox Co Ltd Roll type fixing device for copier
JPS561073A (en) * 1979-06-15 1981-01-08 Mita Ind Co Ltd Heat-fixing device of electrophotographic copier
JPS5610648B2 (en) * 1973-12-08 1981-03-10

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610648B2 (en) * 1973-12-08 1981-03-10
JPS53139539A (en) * 1977-05-12 1978-12-05 Fuji Xerox Co Ltd Roll type fixing device for copier
JPS561073A (en) * 1979-06-15 1981-01-08 Mita Ind Co Ltd Heat-fixing device of electrophotographic copier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106683A (en) * 1986-10-23 1988-05-11 Minolta Camera Co Ltd Fixing device
JPH01288892A (en) * 1988-05-16 1989-11-21 Sharp Corp Fixing device for copying machine

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