Plotters how to fix system error code 86:01 on HP plotter DesignJet T930 If you're encountering system error code 86:01 on your HP plotter Designjet T930, T790, T1300, T2300, T1530, and T2530 series Printer, then don't worry, you're not alone. However, it can fasalap4 years ago4 years agoKeep Reading