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JPS5537359A - Printing controlling device - Google Patents

Printing controlling device

Info

Publication number
JPS5537359A
JPS5537359A JP11092878A JP11092878A JPS5537359A JP S5537359 A JPS5537359 A JP S5537359A JP 11092878 A JP11092878 A JP 11092878A JP 11092878 A JP11092878 A JP 11092878A JP S5537359 A JPS5537359 A JP S5537359A
Authority
JP
Japan
Prior art keywords
paper
platen
thickness
paper thickness
calculated value
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
JP11092878A
Other languages
Japanese (ja)
Inventor
Shigeo Kurachi
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 JP11092878A priority Critical patent/JPS5537359A/en
Publication of JPS5537359A publication Critical patent/JPS5537359A/en
Pending legal-status Critical Current

Links

Landscapes

  • Handling Of Sheets (AREA)
  • Impact Printers (AREA)

Abstract

PURPOSE: To enable maintaining clear printing quality by providing a means to detect paper thickness in the paper feed passage of an impact printer and providing a mechanism which adjusts automatically a platen position and printing pressure suitably for the thickness.
CONSTITUTION: A paper thickness detecting mechanism 1 which detects paper thickness by a method to slide paper on a paper guide and detect optically the amount of movement of a roller moving shaft, or the like, is arranged in the paper feed passage of an impact printer, a control circuit 2 which calculates the amount of moving a platen positon corresponding to the detected paper thickness, a platen gap driving mechanism 3 which moves the gap of the platen by the calculated value and a hammer driving mechanism 4 which adjusts printing pressure according to the calculated value are provided. By so doing, paper thickness can always be detected and copy control and hammer pressure control can be performed automatically, therefore, clear printing quality is always secured.
COPYRIGHT: (C)1980,JPO&Japio
JP11092878A 1978-09-09 1978-09-09 Printing controlling device Pending JPS5537359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11092878A JPS5537359A (en) 1978-09-09 1978-09-09 Printing controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11092878A JPS5537359A (en) 1978-09-09 1978-09-09 Printing controlling device

Publications (1)

Publication Number Publication Date
JPS5537359A true JPS5537359A (en) 1980-03-15

Family

ID=14548154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11092878A Pending JPS5537359A (en) 1978-09-09 1978-09-09 Printing controlling device

Country Status (1)

Country Link
JP (1) JPS5537359A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572778A (en) * 1980-06-09 1982-01-08 Toshiba Corp Printer
JPS58217380A (en) * 1982-06-11 1983-12-17 Canon Inc Printing device
JP2009044980A (en) * 2007-08-17 2009-03-05 Shunsaku Hoshi Bush cutter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057130A (en) * 1973-09-17 1975-05-19
JPS5119616A (en) * 1974-08-08 1976-02-17 Citizen Watch Co Ltd SHIRIARU PURUINTA
JPS5314022A (en) * 1976-07-22 1978-02-08 Hitachi Koki Kk Paper thickness controller for printer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057130A (en) * 1973-09-17 1975-05-19
JPS5119616A (en) * 1974-08-08 1976-02-17 Citizen Watch Co Ltd SHIRIARU PURUINTA
JPS5314022A (en) * 1976-07-22 1978-02-08 Hitachi Koki Kk Paper thickness controller for printer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572778A (en) * 1980-06-09 1982-01-08 Toshiba Corp Printer
JPS58217380A (en) * 1982-06-11 1983-12-17 Canon Inc Printing device
JPH0455871B2 (en) * 1982-06-11 1992-09-04 Canon Kk
JP2009044980A (en) * 2007-08-17 2009-03-05 Shunsaku Hoshi Bush cutter

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