| 摘要 |
PURPOSE:To facilitate operation by causing the titled device to light lamps corresponding to a set copy number, and to turn off the lamp corresponding to the copy just finished each time a copy is completed, or to do likewise, and thus indicating the copy number with a simple structure. CONSTITUTION:Pushing number setting button 4 elevates the levels of terminals L1, L2... of corresponding logical circuit ILC and sets the image forming number in memory MEM through main body control circuit CC. When copy button 3 is not pushed, the contents of memory MEM is stored in shift register by preset signals PRS from circuit CC, corresponding lamps PL1, PL2... are lighted, register SR changes in the contents each time copying is made by pushing button 3, corresponding lamps PL1... is successively turned off, and when button 3 is released on completion of all the number of copying, lamps PL1... are again lighted according to the set number. When button 3 is released and button 4 is operated, the number is reset, thus permitting the present number of copying in progress to be indicated with simple structure and operation of the device to be made easy. |
