All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T610 Error Code 55:YZ Problem Description Line Sensor error , failure to access Line Sensor EEPROM Corrective Action Options Turn off/on. Perform carriage test, check line sensor connections to PCA, replace line sensor, repalce carriage PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us