All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T610 Error Code 56:YZ Problem Description Drive roller analog encoder sensor fail or calibration failed Corrective Action Options Turn off/on. Perform Media Path Test, repalce the encoder disk and encoder sensor, replace Main PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us