116 Chapter - Index Q1342-90910
E
ECU
electrical components 103
part numbers 103
PCB fuse, removing 21
removing 56
troubleshooting 64
wiring diagrams 88
edges not printing 72
electrical components, diagrams and part numbers
102
electrical specifications 4
electrophotographic processes, testing 81
electrostatic discharge (ESD) precautions 13
engine control unit. See ECU
engine test
button, locating 7
performing 79
troubleshooting 64
environmental specifications 4
error messages 67, 70
ESD (electrostatic discharge) precautions 13
extended warranty 9
F
face-down delivery assembly, removing 46
face-up roller, removing 47
fasteners, types of 94
fatal errors 69
features, printer 2
feed assembly, removing 60
feeding problems, troubleshooting 77
field replaceable units (FRUs) 94
firmware initialization 67
flashing lights 67
flowchart, troubleshooting 64
formatter, bypassing 79
front cover
part number 97
removing 32
front guide assembly
part number 101
removing 36
FRUs (field replaceable units) 94
fuse, ECU PCB 21
fuser assembly
diagrams and part numbers 108
heating element check 83
removing 42
temperature, adjusting 74
G
general protection fault error message 70
gray background, troubleshooting 74
green light 67
guide assembly
part number 101
removing 36
H
half-self-test functional check 81
hardware maintenance agreements 9
heating element check 83
high-voltage power supply, testing 84
HP Customer Care Online 92
HP SupportPack 9
HP Technical Training 92
humidity
specifications 4
troubleshooting 74, 76
I
illegal operation error message 70
image formation process, testing 81
image quality
repetitive image defect ruler 87
specifications 2
troubleshooting 72
input tray
capacity 75
feeding problems 78
locating 6
part number 95
removing 16
installation, software 66
internal components, diagrams and part numbers 98
J
jams
release levers, locating 7
troubleshooting 78
L
languages, printer 2
laser/scanner assembly
diagrams and part numbers 99
removing 40
LEDs
error messages 67
removing 31
troubleshooting 65
left plate assembly
part number 99
removing 55
left side cover
part number 97
removing 18
lift plate
diagrams and part numbers 107
removing 54