HP color laserJet 4550 series - Page 376

374 Index C7085-90921
replacing
air filters 91
consumables 83, 85
fuser 92
fuser kit 92
gears 193
imaging drum 88
ITB 90
paper rollers 94
parts 139
toner cartridges 86
transfer kits 89
reservoir, waste toner 109
Resets Menu 282
resetting printer 97
retaining ring screws 141
reversed paper sensor (PS3101) 122, 129
reversing motor (M3102) 129
reversing operations, duplex unit 129
RFI (Radio Frequency Interference) shield, removing 156
RGB, Standard (sRGB) 246
right rear cover, removing 148
right rear fan, diagram 316
right side assemblies, removing 168
right side cover, removing 146
right side fan, removing 195
RISC processor 68
RJ-45 ports 66
rollers
cleaning methods 78
cleaning roller 114
feed 122
fusing delivery 127
last paper detection 125
pick-up 124
primary charge 105
primary transfer 107
registration 123
removing 205, 207
replacing 89, 94
secondary transfer 107, 115
transfer 114
ruler, repetitive defects 266
S
safety information 37
scanner
assembly, removing 157
operations 120
protective cover 139
scatter, background 254
Screen Match 246
screwdrivers 140
screws, types of 141
SDRAM DIMMs
adding 98
supported 16
sealing tape, removing 52
secondary transfer process 107
secondary transfer roller
operations 115
paper path 122
secondary transfer roller clutch (CL4)
operations 114, 115
removing 192
security page 286
security, network 73, 74
selecting media 28
self tapping screws 141
sensors
diagrams 308, 311, 314
paper jam 122, 237
PS1 (ITB unit life) 114
PS10 (carousel position) 118, 119
PS11 (toner cartridge contact/separation) 118, 119
PS12 (toner level) 118, 119
PS13 (waste toner) 113, 313
PS14 (toner density) 85, 111
PS2 (registration paper) 122, 123, 131
PS3 (last paper) 124, 125, 312
PS3001 (paper feeder paper detection) 126
PS301 (overhead transparency) 125
PS3101 (reversed paper) 122, 129
PS3103 (duplex pick-up) 122, 130
PS3104 (duplex pick-up paper) 122, 129
PS3105 (side registration home position) 130
PS4 (multipurpose tray) 124, 312
PS5 (home position detection) 114, 223
PS6 (fusing unit pressure release) 127, 312
PS7 (delivery paper) 122, 127, 312
PS8 (cassette paper) 123
PS9 (face-down bin paper full) 127, 224
testing 303, 304
separation pad
cleaning 78
operations 124
separation process 108
separation rollers
cleaning 78
locating 84
serial numbers
locating 18, 140
setting 296
server, embedded Web 285
service approach 40
service mode 293
settings
color 244, 246
color balance 250
Configuration Menu 276
halftone 245
interface 280
locking 73
margins 298
network security 74
paper trays 274
PowerSave 63
print jobs 278
printer drivers 69
registration values 297
restoring defaults 282
shafts, removing
cam 208
roller 205
sharkskin, troubleshooting 260
sharpness, settings 245
sheet-metal parts, handling 139
shipping printer 54
shutting down printer 139
side registration adjustment 130
side registration home position sensor (PS3105) 130
side registration motor (M3103) 129, 130
Simple Network Management Protocol (SNMP) 67
site requirements 20, 21
skewed images 257
slots
EIO 26
memory 16, 98