All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T1100 Error Code 26.1:YZ Problem Description Order of Ink Supplies incorrect Corrective Action Options Remove ink supply cartridges and check they are correct, check for latest firmware Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us