Copying apparatus

A copying apparatus including a plurality of copying machines each having sensor means for sensing operating parameters thereof, characterized by comprising:

• storage means provided in each copying machine respectively for storing the parameters thereof;
• computing means for operating on the parameters in a predetermined manner;
• and
• transmission means for transmitting the parameters from the storage means of all of the copying machines to the computing means;
• the parameters including at least two of the following parameters:
• a total number of copies, numbers of copies of different sizes, a sheet jam, a fixer overheating condition, an exposure lamp overheating condition, a number of remaining copy sheets, an amount of remaining toner, an amount of photoconductive element use and an identification code.

A copying apparatus including a plurality of copying machines each having sensor means for sensing operating parameters thereof, characterized by comprising:

• storage means provided in each copying machine respectively for storing the parameters thereof;
• computing means;
• and
• transmission means for transmitting the parameters from the storage means of all of the copying machines to the computing means;
• the parameters including malfunction conditions of the copying machines, the computing means being constructed to compute and feed to a malfunctioning copying machine instructions for correcting the malfunction, each copying machine comprising display means for displaying the instructions.

A copy apparatus including a plurality of copying machines each having sensor means for sensing operating parameters thereof, charactrized by comprising:

• storage means provided in each copying machine respectively for storing the parameters thereof;
• computing means;
• and
• transmission means for transmitting the parameters from the storage means of all of the copying machines to the computing means;
• the parameters comprising an amount of photoconductive elements use, the computing means being constructed to compute a degree of photoconductive element degeneration and control the copying machines in response thereto.

A copying apparatus including a plurality of copying machines each having sensor means for sensing operating parameters thereof, characterized by comprising:

• storage means provided in each copying machine respectively for storing the parameters thereof;
• computing means for operating on the parameters in a predetermined manner;
• and
• transmission means for transmitting the parameters for the storage means of all of the copying machines to the computing means;
• the computing means comprising a computer and processing means for processing the parameters prior to feeding the parameters to the computer.