network problems, 121 option problems, 120
paper loading or feeding problems, 111 power supply problems, 110
printing or printout quality problems, 115 printing position problems, 113
USB problems, 121
U
Unidirectional (Uni-d) printing, 92 Uninstalling
printer software, 77 USB device driver, 79
USB interface, 92 problems, 121
196Index