All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model Z5200 Error Code 21:YZ Problem Description Fail moving Service Station. Corrective Action Options Turn off, check Primer Tubes, turn on. Make sure Service Station path is clear. Run Diagnostic. Repalce Service Station, replace the PrinMech PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us