Single-time ink-jet printer

The utility model provides a single-time ink-jet printer, which comprises a rack, a conveyor belt mechanism horizontally arranged on the rack, a printer head movably arranged on the rack, an adsorption conveying mechanism used for adsorbing printed materials, a printing mechanism arranged on the rack in a lifting manner, and guardrail mechanisms arranged on two sides of the rack, correlation type photoelectric sensors are arranged on the two sides of the machine frame, a UV lamp is further arranged on the machine frame, the adsorption conveying mechanism comprises an air suction panel and a vortex fan, the air suction panel is arranged on the machine frame and in the conveying belt mechanism, the vortex fan is arranged at the bottom of the air suction panel, and a plurality of first ventilation openings are formed in the air suction panel. According to the single-time ink-jet printer provided by the utility model, the printing efficiency is improved, patterns can be accurately printed on printed materials, th