Security device for rental photocopying machines

Details Security device for rental photocopying machines Security device for rental photocopying machines

1991-04-18

1992-08-25

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355209, 355201, G03G 1500

Patent

active

051423243

ABSTRACT:
An image forming apparatus having a device for forming an image on a copy sheet, an input device for designating a due data, a device for storing the due date designated through the input device and a mechanism for inhibiting an operation of the image forming device after a lapse of the designated due date stored in the storing device. The apparatus, when rented, enables a rental firm to supervise the rented apparatus by preventing an unauthorized or overdue use thereof through a service person who is to regularly visit the user and check the apparatus.

REFERENCES:
patent: 4624578 (1986-11-01), Green
patent: 4677310 (1987-06-01), Midorikawa et al.

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