heating element test 296
index page 291
jams 256
lines, copies 281
lines, printed pages 266
lines, scans 279
loose toner 267
media 282
memory cards 291
noise 72
NVRAM initialization 301
pages not printing 274
pages printing slowly 274
paper 272
paper-path test 299
print quality 263
printing photos 293
proof sheets 292
receiving faxes 285, 308
repetitive defects 269, 327
scan quality 276, 277
secondary service menu 301
sending faxes 249, 287, 312
skewed pages 268, 273
speed, faxing 289
text 268
toner scatter 269
toner smear 266
toner specks 265
USB cables 274
wiring diagrams 328
wrinkles 269
Troubleshooting tab, HP Toolbox
55
TrueType fonts, included 4
Typical installation 16
U
Unauthorized error message 252
uninstalling software 17
UNIX support 13
updating firmware code 330
upper multipurpose cover,
removing 165
usage page 306
USB cable, part number 335
USB port
connecting to 43
locating 6
troubleshooting 274
type included 4
user-replaceable parts
ADF 123
imaging drum 121
life expectancies 62
print cartridges 119
tray 2 separation pad 235
V
vertical lines, troubleshooting 266
vertical white or faded stripes 280
voltage specifications 19
W
WAIT sequence 76
warranty
HP all-in-one 30
imaging drum 31
print cartridge 31
refilled cartridges, impact on 32
waste toner
cleaning operations 98, 99
drum cleaning 100
sensor, replacing 195
wavy paper, troubleshooting 268
Web sites, ordering parts 334
weight
device 19
paper specifications 23
white or faded stripes 280
Windows
drivers 15
system requirements 12
uninstalling software 17
versions supported 12
wire harnesses, replacing 114
wiring diagrams 328
wrap jam sensor (PS720) 81
wrinkles, troubleshooting 269
ENWW Index 425
