HP color laserJet 4550 series - Page 378

376 Index C7085-90921
replacement intervals 142
replacing 86
safety data sheet 37
shipping 54
status report, printing 290
transfer operations 107
Toner Cleaning Cloth, HP 78
toner density sensor (PS14)
cleaning 85
operations 111
toner level sensor (PS12) 118, 119
tools, required 140
top cover
release button 25
removing 144
switch assembly, removing 161
top drawer assembly, removing 163
top drawer cover, removing 149
top output bin
capacity 17
locating 25
top-of-page signal 114
total page count 297
tracking
color page count 296
fuser maintenance 296
page count 297
transfer maintenance 296
trailing edge, detecting 129
transfer kits
life span 83
ordering 325
replacement intervals 142
replacing 89
status report, printing 290
transfer maintenance count 296
transfer operations 107
transfer plates, waste toner 109
transfer roller
cleaning 78
locating 84
operations 114
removing 207
replacing 89
transparencies
defects, troubleshooting 263
detection sensor (PS301) 125
HP-supported 30
ordering 326
print speed 17
printing 31
supported sizes 29
transport assembly, removing 204
Tray 1
assembly diagrams 351
capacity 29
feeding operations 124
locating 25
margins, setting 299
sensor (PS4) 124, 312
settings 274
special media handling 32
supported media 29
Tray 2
assembly diagrams 352
capacity 29
cassette feed solenoid (SL2) 123, 188
feeding operations 123
locating 25
margins, setting 299
paper size switches 123
replacing paper rollers 94
sensors 123
settings 274
supported media 29
Tray 3
assembly diagrams 353
capacity 30
connector diagrams 320
feeding operations 126
locating 25
margins, setting 299
ordering 326
paper size switches 126
replacing paper rollers 96
settings 274
supported media 30
wiring diagram 321
trays, input
capacity 29
locating 25
margins, setting 299
settings 274
supported media 29
troubleshooting
checklist 212
color 243
communications 268
configuration page, printing 287
control panel 271
diagnostics mode 300
event log, printing 292
flowchart 213
image defects 253
image formation system 243
paper path 237
power 216
quality 253
supplies status page, printing 290
transparencies 263
usage page, printing 291
trus head screws 141
turning off printer 139
U
UEL (universal exit language) 269
unit life sensor, ITB (PS1) 114
universal exit language (UEL) 269
UNIX networks 72
unpacking 48, 49
unplugging power cord 139
upgrading firmware 98
upper drawer assembly 350
usage page, printing 291
user guides, ordering 43
V
vacuuming 78
values, registration 297
variation, color 244
vector graphics 249
ventilation 20
versions
drum drawers 335
printers 140
vertical banding, troubleshooting 255
vertical lines, troubleshooting 261
Vivid color map 246