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tray 4, removing 168
power-on sequence 82
PowerSave
energy consumption 19
factory default settings 53
fan operation during 206
noise-level specifications 19
settings 47, 62
ppm (pages per minute) 16
preliminary operating checks, troubleshooting 202
preprinted media
fuser modes 51
fusing compatibility test 38
specifications 33
prepunched media, fuser modes 51
pre-registration roller drive clutch (CL2) 101
pressure roller
bias generation 88
cleaning 73
fuser wrapping jam detection operations 96
heating operations 89
image formation operations 93, 94
pre-transfer process, image formation operations 93
pre-transfer upper guide bias generation 88
preventative maintenance kits. See printer maintenance kits
primary charging roller
bias generation 88
image defects, troubleshooting 266
image formation operations 93
print bias, operations 88
print cartridges
capacity 16
checking 264
components, operations 94
error messages 212, 213
fan, removing 157
handling 75
image formation operations 93
level detection operations 88, 95
lifter assembly, diagrams and part numbers 300
low, settings 62
memory PCA, removing 153
noise, troubleshooting 203
non-HP 76
ordering 24
part numbers 281
refilled 76, 244
release lever, removing 134
removing 70, 135
ROM, memory operations 95
seals, automatic roll-up 95
storing 75
supplies status page information 260
weight 76
print density. See toner density
Print PS error page, settings 61
print quality
cleaning page, creating 73
factory default settings 52
settings, changing 62
troubleshooting 263
PRINT sequence 81
print servers. See HP Jetdirect print servers
printer drivers
changing settings from 51
Web sites 25
Printer Job Language (PJL) 91
printer languages. See personalities
printer maintenance kits
352 Index
count, resetting 243
part numbers 281
replacement intervals 53
replacing 68
printer messages
alphabetical list 211
event log codes 207
numerical list 221
settings 62
types of 210
priorities, messages 210
processor. See CPU
product repair assistance 25
production code, locating 18
programs, changing settings from 48
protocols, network
Jetdirect page information 259
troubleshooting 276
PS error pages, settings 61
PS fonts
included 16
list, printing 60
PS Level 3 emulation 18
Q
quality
cleaning page, creating 73
factory default settings 52
settings, changing 62
specifications 16
troubleshooting 263
R
rail covers, removing 127
RAM disk
error messages 211
factory default settings 53
operations 90
RAM, print cartridges 95
Ready light, locating 46
Ready message 54
rear cover, locating 20
recycled media
fuser modes 51
specifications 34
red light, stapler/stacker and stacker 253
refilled print cartridges 76, 244
registration assembly
diagrams and part numbers 303
image defects, troubleshooting 271
removing 144
tray 4 104, 164
registration jam removal knob, removing 139
registration paper sensor (PS2) 97, 99
registration roller drive clutch (CL1) 101
registration roller, cleaning 71
registration, tray settings 48, 62
regulatory information 23
re-initialization
NVRAM 244
relative humidity
meter, suppliers 39
specifications, printer 19
storing media 34
storing print cartridges 75
remanufactured assemblies 24
remote firmware upgrade (RFU) 64
removing parts 117
repair assistance, phone numbers 25
C8519-90912

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Troubleshooting

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