BioJector IV / IV-2 / X 19 BioJector Checklist How to convert a BioJector IV-2 into a BioJector IV Wear Parts Sterilizing the Syringe Special features BioJector with 2 syringes Care and Use of the Syringe Problem Diagnostics Counter does not work correctlyPlastic parts become brittleEmployee injected vaccine into own bodyChick injured / bleedingVaccine droplets on needle tipSyringe ball valves deform / swell