PRINTER

A printer is configured to perform printing on a medium. The printer includes a printing unit, a power supply, processor, and a memory. The printing unit is disposed inside a printer. The power supply circuit is disposed inside the printer, and includes a power supply line and a power storage device. The power supply line is configured to supply power from a power supply to the printing unit. The power storage device is configured to charge and discharge a predetermined power. The memory stores computer-readable instructions that, when executed by the processor, instruct the processor to perform a process. The process includes performing connecting processing to connect the power storage device in series with the power supply in the power supply line, by controlling the power supply circuit.