JPS55156961A - Control system of copying machine - Google Patents

Control system of copying machine

Info

Publication number
JPS55156961A
JPS55156961A JP6463379A JP6463379A JPS55156961A JP S55156961 A JPS55156961 A JP S55156961A JP 6463379 A JP6463379 A JP 6463379A JP 6463379 A JP6463379 A JP 6463379A JP S55156961 A JPS55156961 A JP S55156961A
Authority
JP
Japan
Prior art keywords
function
copying sheets
display
lsi2
copying
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
JP6463379A
Other languages
Japanese (ja)
Inventor
Fumio Asano
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 JP6463379A priority Critical patent/JPS55156961A/en
Publication of JPS55156961A publication Critical patent/JPS55156961A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To enable the simple counting of the number of copying sheets by making use of the register function, operation function and display function possessed by an LSI exclusive for electronic calculators. CONSTITUTION:The register function and display function of an LSI exclusive for electric calculators are straightly used for the register and display of the number of copying sheets by the key inputting from a key input unit 1. Function key operations are done according to mechanical operations by the signal from the muCPU4 being the control part for controlling the main copying sequence and the addition or subtraction of the number of copying sheets are done by the operation function of the LSI2. Namely, in the case of making subtraction from the number of copying sheets having been registered, the key input pulse instructing the subtraction is subsequently sent to the LSI2 from the muCPU4 every time when one sheet of copy is taken. Then, the operation of the number of copying sheets is done automatically by the LSI2 and the results thereof may be displayed in a display part 3.
JP6463379A 1979-05-25 1979-05-25 Control system of copying machine Pending JPS55156961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6463379A JPS55156961A (en) 1979-05-25 1979-05-25 Control system of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6463379A JPS55156961A (en) 1979-05-25 1979-05-25 Control system of copying machine

Publications (1)

Publication Number Publication Date
JPS55156961A true JPS55156961A (en) 1980-12-06

Family

ID=13263860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6463379A Pending JPS55156961A (en) 1979-05-25 1979-05-25 Control system of copying machine

Country Status (1)

Country Link
JP (1) JPS55156961A (en)

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