DOCUMENT DATA UPDATE INFORMATION CREATION PROCESSING SYSTEM, IMAGE FORMING APPARATUS, DOCUMENT DATA UPDATE INFORMATION CREATION PROCESSING METHOD, AND RECORDING MEDIUM

1 . A document data update information creation processing system having a document data accumulation apparatus and an image forming apparatus interconnected via a network, wherein:

the document data accumulation apparatus comprises:

an accumulator that accumulates in itself document data;

an update information creator that creates update information of document data selectively among those accumulated in the accumulator; and

a transmitter that transmits the update information created by the update information creator, in response to a request received from the image forming apparatus, and

the image forming apparatus comprises:

a requester that transmits a request for the update information to the document data accumulation apparatus;

a receiver that receives the update information that is transmitted from the document data accumulation apparatus in response to the request transmitted by the requester;

a display that is capable of displaying on itself the update information received by the receiver.

2 . The document data update information creation processing system recited in claim 1 , wherein:

the update information creator changes the priority level for creation of update information, according to a set condition.

3 . The document data update information creation processing system recited in claim 2 , wherein:

the update information creator preferentially and frequently creates update information of document data among those accumulated in the accumulator, if the document data is accompanied with a print instruction issued by a user.

4 . The document data update information creation processing system recited in claim 2 , wherein:

the update information creator preferentially creates update information of document data shared with group members or unspecified users, among those accumulated in the accumulator, if the document data is not accompanied with a print instruction issued by a user.

5 . An image forming apparatus comprising:

an accumulator that accumulates in itself document data;

a update information creator that creates update information of document data selectively among those accumulated in the accumulator; and

a display that is capable of displaying on itself the update information created by the update information creator.

6 . The image forming apparatus recited in claim 5 , wherein:

the update information creator changes the priority level for creation of update information, according to a set condition.

7 . The image forming apparatus recited in claim 6 , wherein:

the update information creator creates update information of a list of states of running jobs related to the document data accumulated in the accumulator, more preferentially from that of a list of the document data accumulated in the accumulator.

8 . A document data update information creation processing system having a document data accumulation apparatus and a plurality of image forming apparatuses interconnected via a network, wherein:

the document data accumulation apparatus comprises:

an accumulator that accumulates in itself document data;

an update information creator that creates update information of the document data accumulated in the accumulator; and

a transmitter that transmits the update information created by the update information creator, in response to a request received from the image forming apparatuses, and

each of the image forming apparatuses comprises:

a requester that transmits a request for update information of document data to the document data accumulation apparatus, with a frequency level that is changed according to the document data;

a receiver that receives the update information that is transmitted from the document data accumulation apparatus in response to the request transmitted by the requester; and

a display that is capable of displaying on itself the update information received by the receiver.

9 . A document data update information creation processing method of a document data update information processing system having a document data accumulation apparatus and an image processing apparatus interconnected via a network, comprising:

accumulating document data in the document data accumulation apparatus;

creating update information of document data selectively among those accumulated therein, by the document data accumulation apparatus;

transmitting the created update information by the document data accumulation apparatus, in response to a request received from the image forming apparatus;

transmitting a request for update information of document data by the image forming apparatus; and

receiving the update information that is transmitted by the document data accumulation apparatus in response to the request; and

displaying the received update information on a display.

10 . The document data update information creation processing method recited in claim 9 , wherein:

when update information is created, the priority level for creation of update information is changed, according to a set condition.

11 . The document data update information creation processing method recited in claim 10 , wherein:

update information of document data among those accumulated therein, is created preferentially and frequently, if the document data is accompanied with a print instruction issued by a user.

12 . The document data update information creation processing method recited in claim 10 , wherein:

update information of document data shared with group members or unspecified users, among those accumulated therein, is created preferentially, if the document data is not accompanied with a print instruction issued by a user.

13 . A document data update information creation processing method of an image forming apparatus, comprising:

accumulating document data;

creating update information of document data selectively among the accumulated document data; and

displaying the created update information on a display.

14 . The document data update information creation processing method recited in claim 13 , wherein:

when update information is created, the priority level for creation of update information is changed, according to a set condition.

15 . The document data update information creation processing method recited in claim 14 , wherein:

update information of a list of states of running jobs related to the accumulated document data, is created more preferentially from that of a list of the accumulated document data.

16 . A document data update information creation processing method of a document data update information creation processing system having a plurality of document data accumulation apparatuses and an image forming apparatus interconnected via a network, comprising:

accumulating document data in the document data accumulation apparatuses;

creating by the document data accumulation apparatuses, update information of document data among their document data accumulated therein, respectively by taking their own partial charges;

transmitting the created update information by the document data accumulation apparatuses, in response to a request received from the image forming apparatus;

transmitting a request for update information of document data to the document data accumulation apparatuses, by the image forming apparatus, with a priority level that is changed according to the document data;

receiving the update information that is transmitted by the document data accumulation apparatuses in response to the request; and

displaying the received update information on a display.

17 . A computer readable recording medium having a document data update information creation processing program recorded therein to make a computer of an image forming apparatus execute:

accumulating document data;

creating update information of document data selectively among the accumulated document data; and

displaying the created update information on a display.