Printing system and control method that maintains a response performance when processing load increases

1. A printing system comprising:

a printing apparatus; and

a storage apparatus storing print data and first print setting for the print data which are received from an external device,

the printing apparatus including:

one or more first memories storing a set of first instructions; and

one or more first processors that execute the set of first instructions to:

acquire identification information for identifying the print data stored in the storage apparatus and information indicating the first print setting for the print data;

receive, from a user, a change instruction to change the first print setting to a second print setting for the print data, wherein information regarding the change instruction is not transmitted to the storage apparatus based on receipt of the change instruction;

receive, from the user, a print instruction to print out the print data;

transmit, to the storage apparatus based on receipt of the print instruction, the identification information for identifying the print data corresponding to the print instruction and information indicating the change from the first print setting to the second print setting corresponding to the change instruction;

receive, from the storage apparatus, the print data and the second print setting for the print data by using a print port of the printing apparatus; and

print out the received print data based on the received second print setting, and

the storage apparatus including:

one or more second memories storing a set of second instructions; and

one or more second processors that execute the set of second instructions to:

receive, from the printing apparatus, the identification information for identifying the print data and the information indicating the change from the first print setting to the second print setting;

change the stored first print setting for the print data identified by the received identification information to the second print setting based on the received information indicating the change from the first print setting to the second print setting; and

transmit, to the printing apparatus, the print data identified by the received identification information and the second print setting.

2. The printing system according to claim 1 , wherein the printing system further includes a management server configured to manage bibliographic information of print data.

3. The printing system according to claim 2 , wherein

the one or more first processors further execute the set of first instructions to authenticate a user, and wherein

in the printing apparatus, a list of print data associated with the authenticated user is acquired from the management server.

4. The printing system according to claim 3 , wherein the one or more first processors further execute the set of first instructions to:

receive selection of print data to be printed out from among the list of print data associated with the authenticated user; and

identify the storage apparatus, in which the selected print data is saved, based on the acquired bibliographic information.

5. The printing system according to claim 2 , wherein the one or more second processors further execute the set of second instructions to:

receive print data from the external apparatus; and

send bibliographic information of the received print data to the management server.

6. The printing system according to claim 1 , wherein, in the storage apparatus, at least one parameter in the first print setting of the saved print data is changed based on the information.

7. The printing system according to claim 1 , wherein

when an instruction to delete print data is received from a user at the printing apparatus, a delete request containing identification information for identifying print data associated with the delete instruction is sent to the storage apparatus, and wherein

a result of deletion performed in response to the delete request is sent back to the printing apparatus.

8. A control method for a printing system including a printing apparatus and a storage apparatus storing print data and first print setting for the print data which are received from an external device, the control method comprising:

acquiring, by first printing apparatus, identification information for identifying the print data stored in the storage apparatus and information indicating the first print setting for the print data;

receiving, by the printing apparatus, a change instruction to change the first print setting to a second print setting for the print data from a user, wherein information regarding the change instruction is not transmitted to the storage apparatus based on receipt of the change instruction;

receive, from the user, a print instruction to print out the print data;

transmitting, by the printing apparatus, based on receipt of the print instruction, the identification information for identifying the print data corresponding to the print instruction and information indicating the change from the first print setting to the second print setting corresponding to the change instruction to the storage apparatus;

receiving, by the storage apparatus, the identification information for identifying the print data and the information indicating the change from the first print setting to the second print setting from the printing apparatus;

changing, by the storage apparatus, the stored first print setting for the print data identified by the received identification information to the second print setting based on the received information indicating the change from the first print setting to the second print setting;

transmitting, by the storage apparatus, the print data identified by the received identification information and the second print setting to the printing apparatus;

receiving, by the printing apparatus, the print data and the second print setting for the print data by using a print port of the printing apparatus from the storage apparatus; and

printing out, by the printing apparatus, the received print data based on the received second print setting.