All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T1100 Error Code 21.1:YZ Problem Description service Station servo shutdown Corrective Action Options Turn off/on. Perform service station diagnostic test, repalce servcie station, replace PrintMech PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us