JPS6244783A - Fixing device for electrophotographic printer or the like - Google Patents

Fixing device for electrophotographic printer or the like

Info

Publication number
JPS6244783A
JPS6244783A JP18623785A JP18623785A JPS6244783A JP S6244783 A JPS6244783 A JP S6244783A JP 18623785 A JP18623785 A JP 18623785A JP 18623785 A JP18623785 A JP 18623785A JP S6244783 A JPS6244783 A JP S6244783A
Authority
JP
Japan
Prior art keywords
take
beltlike
driving pulse
signal
generating circuit
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
JP18623785A
Other languages
Japanese (ja)
Inventor
Takehiro Honda
Isao Nakajima
Osamu Namikawa
Kazuo Sakaki
Hideho Yokogawa
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP18623785A priority Critical patent/JPS6244783A/en
Publication of JPS6244783A publication Critical patent/JPS6244783A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/20Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2025Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid

Abstract

PURPOSE:To prolong a time required to take up a beltlike body for coating a heat roller with a releasing agent and to reduce the human and physical loads in replacing the beltlike body by decreasing the difference in take-up running speed between the winding starting part and ending part of the beltlike body. CONSTITUTION:When a printing force 1 is fixed, a printing force feed signal is inputted to a driving pulse generating circuit 11 through a printer control circuit every time the printing force 1 runs. Further, a take-up diameter detection signal corresponding to the take-up extent of the beltlike body 4 is inputted to the driving pulse generating circuit 11 through a take-up diameter detector 12. Then, when the value of the take-up diameter detection signal is zero, namely, when the take-up diameter of the beltlike body 4 around a take-up roller 6 is smaller than a specific value (d), the driving pulse generating circuit 11 counts the printing form feed signal up to L1 and outputs a driving pulse to a motor driver 10, which converts the driving pulse into a phase exciting signal phiA-phiD, so that a stepping motor 9 is driven at a specific rotating speed N1 on the basis of the phase exciting signal.
JP18623785A 1985-08-23 1985-08-23 Fixing device for electrophotographic printer or the like Pending JPS6244783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18623785A JPS6244783A (en) 1985-08-23 1985-08-23 Fixing device for electrophotographic printer or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18623785A JPS6244783A (en) 1985-08-23 1985-08-23 Fixing device for electrophotographic printer or the like

Publications (1)

Publication Number Publication Date
JPS6244783A true JPS6244783A (en) 1987-02-26

Family

ID=16184752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18623785A Pending JPS6244783A (en) 1985-08-23 1985-08-23 Fixing device for electrophotographic printer or the like

Country Status (1)

Country Link
JP (1) JPS6244783A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011022317A (en) * 2009-07-15 2011-02-03 Ricoh Co Ltd Oil coating device, fixing device and electrophotographic device with the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182673A (en) * 1982-04-20 1983-10-25 Canon Inc Web cleaning device
JPS58182671A (en) * 1982-04-20 1983-10-25 Canon Inc Web cleaning device
JPS58199371A (en) * 1982-05-17 1983-11-19 Canon Inc Cleaning web

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182673A (en) * 1982-04-20 1983-10-25 Canon Inc Web cleaning device
JPS58182671A (en) * 1982-04-20 1983-10-25 Canon Inc Web cleaning device
JPS58199371A (en) * 1982-05-17 1983-11-19 Canon Inc Cleaning web

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011022317A (en) * 2009-07-15 2011-02-03 Ricoh Co Ltd Oil coating device, fixing device and electrophotographic device with the same
US8385799B2 (en) 2009-07-15 2013-02-26 Ricoh Company, Limited Lubricating device, fixing device, and image forming apparatus

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