Printer and position adjusting control method and device

The embodiment of the invention discloses a printer and a position adjusting control method and device. The printer comprises a printer main body and a printer base plate device, the printer base plate device is arranged at the bottom end of the printer main body and comprises a single-chip microcomputer, a printer base plate, a machine cabinet frame, a stepping motor, a sensor detection plate anda homing sensor, and the single-chip microcomputer is electrically connected to the printer main body, the homing sensor and the stepping motor. According to the printer and the position adjusting control method and device, by utilizing the printer comprising the printer main body and the printer base plate device, the effects that the single-chip microcomputer calculates the movement distance ofthe printer base plate by receiving the printer type information and the paper size information sent by the printer main body and controls the stepping motor to enable the printer base plate to execute movement operation can