PURPOSE: To provide a printer of which operation is simple when the recording based on the image data already sent to a printer is performed again.

CONSTITUTION: A printer is equipped with a recording part 12 recording dot image data on recording paper, a memory means 13 storing and holding the dot image data, a printer controller 11 forming the dot image data from inputted image data to send the same to the recording part 12, an input means 14 inputting a recording command for recording the dot image data stored in the memory means 13 on the recording paper and a sending-out means sending out the dot image data stored in the memory means to the recording part 12 on the basis of the recording command from the input means 14.