face-up output door. See rear
output door
factory defaults, restoring 318
faded print 265
fans
diagrams 79
error messages 255
removing 223
fax
billing (metering) tone filters
110
data path 109
device location, resetting 303
downstream current detection
109
error codes 308
error messages 246, 249
flash memory storage 111
hook state 109
hook switch control 109
jams, troubleshooting 289
line current control 110
modem, models including 2
operations 107
page storage 110
receiving, troubleshooting
285, 308
reports, printing 307
reports, troubleshooting 290
ring detect 110
safety isolation 108
safety protection circuitry 108
sending, troubleshooting 287,
312
specifications 21
Fax Settings tab, HP Toolbox 57
Fax tab, HP Toolbox 54
fax-quality test 117
FCC requirements 33
features 2, 4
feed system
engine control system 76
operations 81
feed system, paper
ADF operations 105
feed-drive shaft, removing 205
feeding problems, troubleshooting
273
Finnish laser statement 39
firmware code
recovering or updating 330
Fit to Page error message 248
flash memory, fax 111
flatbed scanner
cleaning 64
loading 50
fonts, included 4
form sensor, ADF 106
formatter
fax subsystem 108
part numbers 335
removing 182
formatter cage, removing 180
fraud hotline 70
front frame assembly, diagrams
and part numbers 350
fuser
control circuit 76
diagram 91
diagrams and part numbers
376
error messages 253
life expectancy 62
operations 98
replacing 133
wrap sensor, removing 219
fuser motor
diagrams 81
removing 222
fusing delivery paper sensor (PS1)
81, 84
G
gear assembly, replacing 192
gear-train motor (DCM701) 83
glass, cleaning 64
glossy paper 25
gray background, troubleshooting
266
grayscale printing, troubleshooting
271
H
half self-test 296
heating element test 296
heavy media 23, 25
help, drivers 15
high-voltage power supply
locating 76
removing 226
hook state 109
hook switch control 110
HP Customer Care Online 334
HP Document Viewer 17
HP fraud hotline 70
HP Image Zone 17
HP Technical Training 334
HP Toolbox
Copy Settings tab 57
Device Settings 56
Documentation tab 55
Fax Settings tab 57
Fax tab 54
HP Toolbox links 58
Network Settings tab 57
opening 53
operating systems supported
13
Other links 58
Print Settings tab 57
Scan to tab 55
Status tab 54
System Settings tab 56
Troubleshooting tab 55
humidity specifications
device environment 20
paper, storing 26
I
I/O cover, removing 158
IBM OS/2 support 13
IC CS-03 requirements 34
image formation
developing stage 95
engine control system 76
fusing stage 98
laser beam operations 94
primary charging stage 94
separation stage 97
stages 93
system components 91
transfer stage 96
image quality
cleaning page, printing 65
copy, troubleshooting 280
print, troubleshooting 263, 264
scans, troubleshooting 276,
277
specifications 4
Image Zone 17
ENWW Index 419
