HP color laserJet 4550 series - Page 377

C7085-90921 Index 375
smart color 246
smeared toner 261
Smooth option 245
SNMP (Simple Network Management Protocol 67
Soft Gloss paper 326
software
installing 59
JetAdmin 67, 70
ordering 43
PANTONE applications 249
sRGB applications 247
Solaris 72
solenoids
diagrams 309, 314
removing 188
SL1 (manual feed) 124
SL2 (cassette feed) 123, 188
SL3001 (paper feeder pick-up) 126
SL3101 (duplex feed roller pressure release) 129
SL3102 (delivery deflector) 129
sound intensity level 24
space requirements 21
spacing chart, defects 266
special media, printing 31
specifications
electrical 22
environmental 22
media 29
preprinted paper 30
printer 23
site requirements 20
space requirements 21
speed, printing 17
spilled toner
cleaning 78
washing off clothing 37
spots, troubleshooting 259, 260
Standard RGB (sRGB) 246
Standard Web Offset Press (SWOP) 248
standby button 25, 50
standby mode
acoustic emissions 23
button for 50
power consumption 22
star wheel assembly, removing 206
static discharge 139
status pages
printer 286
supplies 290
stirrer, toner 120
stop position flags 118, 119
stored jobs menu 284
storing
consumables 23
media 33
printer 22
strap, ESD 140
streaks, troubleshooting
faded 258
transparencies 264
vertical 261
subassemblies 40
sunburn, troubleshooting 260
SunOS 72
supplies
ordering 325
status page, printing 290
Support Assistant, HP 42
surface resistivity, electrical 31
swatches, sRGB 249
sweeper strip 109
switch assembly, removing 161
switch boxes 268
switches
diagrams 313, 314
drawer assembly, removing 182
front door 135
paper size PCB, removing 181
rear door 135
rear door interlock defeat 316
SW3001,3002,3003 (paper feeder paper-size detection) 126
SW6 (power) 25, 136
SW801,802,803 (paper size detection) 123, 127, 313
SWOP (Standard Web Offset Press) 248
system requirements, Fast InfraRed Receiver (FIR) 68
T
T connectors 65
tape, removing
packing 49
sealing 52
TCP/IP 71
technical reference guides 43
temperature
ink requirements 30
maximum change rate 23
site requirements 20, 22
storing consumables 23
testing
developer 303
diagnostics mode, entering 300
door sensors 304
drum 303
engine 306
paper path 302
paper path sensors 303
printer operation 62
text, troubleshooting 257, 262
theory of operations
clutches 114
duplex unit 128
fusing 110
image formation system 104
ITB 113
laser/scanner 120
paper path 122
secondary transfer roller 115
toner carousel 118
waste toner cleaning 109, 113
ThinLan cables 65
TIFF files 249
toner
cleaning spilled 78
development process 106
fusing operations 110
smeared 261
stray, troubleshooting 259
washing off clothing 37
waste, cleaning 109, 113
toner cartridges
access cover 25
contact/separation sensor (PS11) 118, 119
installing older versions 51
level detection 120
life span 83
locating 84
motor (M5) 118, 134
part numbers 327