Nozzle voltage output self-correction method and device and storage medium

The invention discloses a nozzle voltage output self-correction method and device and a storage medium, and relates to the technical field of printers. Comprising the following steps: S1, connecting and collecting; S2, acquiring an AD value; S3, carrying out a coarse adjustment process; and S4, carrying out a fine adjustment process. According to the invention, correction is carried out according to the difference between the acquired AD value and the set target AD value through the coarse adjustment and fine adjustment processes, so that the voltage output of the nozzle is gradually close to the expected target, and the output voltage is gradually adjusted according to the difference between the AD value and the target AD value through the coarse adjustment and fine adjustment processes, so that the stability of the voltage output of the nozzle is improved; through a self-correction method, the output voltage is kept in an expected range, and voltage regulation can be accurately performed on a plurality of n