All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T2300 Error Code 74.1:YZ Problem Description Error uploading paper profile Corrective Action Options Turn off/on. Check computer connection. Try uploading again. Make sure paper profile update file is compatible with firmware version of product. Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us