JPS57138963A - Contact adjustor for platen roller and thermal line head of thermal line printer - Google Patents

Contact adjustor for platen roller and thermal line head of thermal line printer

Info

Publication number
JPS57138963A
JPS57138963A JP2435281A JP2435281A JPS57138963A JP S57138963 A JPS57138963 A JP S57138963A JP 2435281 A JP2435281 A JP 2435281A JP 2435281 A JP2435281 A JP 2435281A JP S57138963 A JPS57138963 A JP S57138963A
Authority
JP
Japan
Prior art keywords
thermal line
line head
density
platen roller
adjustor
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
JP2435281A
Other languages
Japanese (ja)
Inventor
Kenji Taura
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
Ricoh Denshi Kogyo KK
Original Assignee
Ricoh Co Ltd
Ricoh Denshi Kogyo KK
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, Ricoh Denshi Kogyo KK filed Critical Ricoh Co Ltd
Priority to JP2435281A priority Critical patent/JPS57138963A/en
Publication of JPS57138963A publication Critical patent/JPS57138963A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment

Abstract

PURPOSE:To achieve a recording with an even density by fixing a cylindrical cam having an eccentric through hole on a round bar mounted under a thermal line head 3 with a clamping screw 11. CONSTITUTION:After moved on a round bar 8 to the center thereof, a cylindrical cam 10 is turned to push up the most bent section A of a thermal line head 3 and fixed in site with a clamping screw 11. At this point, a recording paper is inserted between a platen roller 2 and the thermal line head 3 to check the density of the recording. If the density is not even in the axial direction of the platen 2, the clamping screw 11 is loosened to turn or move the cylindrical cam 10. Then, the adjusting screw is tightened and the density is checked again for readustment.
JP2435281A 1981-02-23 1981-02-23 Contact adjustor for platen roller and thermal line head of thermal line printer Pending JPS57138963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2435281A JPS57138963A (en) 1981-02-23 1981-02-23 Contact adjustor for platen roller and thermal line head of thermal line printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2435281A JPS57138963A (en) 1981-02-23 1981-02-23 Contact adjustor for platen roller and thermal line head of thermal line printer

Publications (1)

Publication Number Publication Date
JPS57138963A true JPS57138963A (en) 1982-08-27

Family

ID=12135794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2435281A Pending JPS57138963A (en) 1981-02-23 1981-02-23 Contact adjustor for platen roller and thermal line head of thermal line printer

Country Status (1)

Country Link
JP (1) JPS57138963A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034447U (en) * 1983-08-17 1985-03-09 東芝テック株式会社 thermal printer
EP0450641A2 (en) * 1990-04-06 1991-10-09 Canon Kabushiki Kaisha Temperature regulator and recording apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034447U (en) * 1983-08-17 1985-03-09 東芝テック株式会社 thermal printer
EP0450641A2 (en) * 1990-04-06 1991-10-09 Canon Kabushiki Kaisha Temperature regulator and recording apparatus
EP0663298A1 (en) * 1990-04-06 1995-07-19 Canon Kabushiki Kaisha Temperature regulator and recording apparatus
US5486849A (en) * 1990-04-06 1996-01-23 Canon Kabushiki Kaisha Thermal recording device with heat exchanger

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