Printer toner cartridge developing roller buffer structure

The utility model discloses a printer toner cartridge developing roller buffer structure, and relates to the technical field of printer accessories. The two sides of the developing roller body are fixedly connected with connecting rods, the connecting rods penetrate through the interiors of the through holes, the two sides of the connecting rods are connected with first bearings, the surfaces of the first bearings are connected with damping rubber bases, the two sides of the toner cartridge shell are fixedly connected with mounting frames, and the two sides of each mounting frame are provided with grooves. And the damping rubber seat is located in the groove, and an adjusting assembly is arranged at the top of the damping rubber seat. The connecting rods at the two ends of the developing roller are placed in a selenium drum through the through holes, the damping rubber seat plays a role in buffering when the developing roller rotates, and then the damping rubber seat is fixed on the mounting frame through the