Printing system and printing control method

A printing system comprising:

• a printing apparatus comprising at least one memory storing at least one first program, and at least one first processor;
• a printing service system connected to the printing apparatus, the printing service system comprising at least one memory storing at least one second program, and at least one second processor;
• and
• an information processing apparatus connected to the printing service system, the information processing apparatus comprising at least one memory storing at least one third program, and at least one third processor,
• the at least second program causes the printing service system, when executed by the at least second processor, to perform:
• registering the printing apparatus;
• and
• storing a print job received from the information processing apparatus,
• the at least third program causes the information processing apparatus, when executed by the at least third processor, to perform:
• transmitting, to the printing service system, a print job of a logged-in user in which a printing apparatus selected from among at least one printing apparatus registered in the printing service system is designated,
• the at least first program causes the printing apparatus, when executed by the at least first processor, to perform:
• storing a user of the printing service system in association with a user of the printing apparatus;
• and
• fetching a print job of a user associated with a logged-in user of the printing apparatus, out of at least one print job stored in the printing service system, and printing,
• wherein a guest user of the printing service system is associated with a guest user of the printing apparatus, and
• the printing apparatus does not execute printing for a print job of the guest user for which a password has not been set.