The printer is on and when I send documents to

Error 928 is generated by the "Engine" board that controls all of the motors, clutches and sensors in the printer. It indicates a Fuser lock motor error usually caused by the Fuser or Fuser motor not rotating. First step is to remove and inspect the fuser. This is at the rear of the printer, has a blue lock lever on both sides and lifts out. Any damage to the rollers can cause it to jam or if there is a sheet of paper wrapped around a roller. be careful when removing a fuser as these can be extremely hot, follow the instructions in the documentation that came with your printer to remove the Fuser.