Printing apparatus

A printing apparatus that operates by receiving power from a Universal Serial Bus (USB) Power Delivery (PD) adapter outputting a direct current (DC) voltage according to USB PD standard, the USB PD adapter being not included with the printing apparatus, the printing apparatus comprising:

• a first printing section configured to perform printing on a medium;
• a second printing section configured to perform printing on the medium;
• and
• a negotiation information obtainer configured to obtain negotiation information between the printing apparatus and the USB PD adapter, wherein
• the negotiation information includes a rated power value able to be supplied from the USB PD adapter,
• when the rated power value is greater than or equal to a first predetermined value, the first printing section and the second printing section are configured to simultaneously perform printing on the medium, and
• when the rated power value is less than the first predetermined value, the second printing section is configured to not perform printing on the medium during a time period in which the first printing section performs printing on the medium, and the first printing section is configured to not perform printing on the medium during a time period in which the second printing section performs printing on the medium.