feed, paper. See pickup, feed, and
delivery
feeding problems 389
Finnish laser safety statement 432
firmware
date codes 146
version information 145
firmware, downloading new 399
fixing
definition 3
flowcharts
troubleshooting 81
formatter
operations 2
resets after replacing 378
formatter lights 86
fraud Web site 408
fuser 16
components 16
control-circuit function 16
discrepancy detection 19
failure detection 18
jams 343
temperature control 17
See also fusing and delivery unit
fusing
definition 3
fusing and delivery unit 49
operations 49
See also fuser; pickup, feed,
and delivery
G
General Settings menu, control
panel 150
H
halftone control 37
heat control for fuser 17
heaters, fuser 16
high-voltage power supply 9
bias generation 10
circuits 10
operations 9
See also power supply
HP Customer Care 416
HP fraud Web site 408
HP Jetdirect print server
configuration page 145
lights 86
I
image quality issues
examples and solutions 364
image stabilization controls 37
image-formation process 22
imaging drums
color drums disengagement
30
diagnostic test 93
initial rotation period 3
input trays
optional, operations 56
installation
date calculation 380
verify for optional accessories
143
intake fans 9
interlocks
defeating 91
intermediate transfer belt (ITB)
components 32
home position 33
operations 32
internal clock errors 243
IPv4 information 145
IPv6 information 145
J
jams
auto-navigation 336
causes of 359
common causes of 335
detection in paper feeder 64
detection sensors 54
diagnostic test for 95
document feeder 337
fuser 343
locations 336
lower right door 348
output bin 339
right door 343
Tray 1 340
Tray 2 342
Tray 3 347, 348
types detected 54
Japanese VCCI statement 431
Jetdirect print server
lights 86
K
Korean EMC statement 432
L
laser safety statements 431, 432
laser/scanner
failure conditions 21
operations 20
last rotation period 3
latent image formation 23
LEDs. See lights
license, software 411
light print, troubleshooting 364
lights
formatter
8
6
troubleshooting with 86
lines, troubleshooting 365
link speed settings 227
log of events
messages, listed numerically
329
loop control 49
loose toner, troubleshooting 367
low-voltage power supply 11
converted DC voltages 12
failure detection 14
operations 11
protection for components 12
safety provided by 13
stops and interruptions 12
See also power supply
lower right door
jams 348
M
Manage Supplies menu, control
panel 206
Manage Trays menu, control
panel 212
manual print modes 360
material restrictions 423
Material Safety Data Sheet
(MSDS) 424
memory
information 143
insufficient 253
supply errors 237
memory chip, toner cartridge
description 410
ENWW
Index
441
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