117
Installation and Service Guide: Printer Controller EB-34
Index
upgrading software 86–88
USB hub
USB ports 94
user interface board (UIB)
activity light 44
description 44
display window 44
line selection buttons 44
menu button 44
removing 45
up/down buttons 44
troubleshooting problems during installation 107
User Software DVD 86
using check for product updates 89
V
verifying functionality 72
verifying new motherboard installation 54
voltages