User Guide

EN Index 281
high-voltage power supply
connector assembly, checking 205
operations 89
testing 204
HP Customer Care Online 242
HP JetDirect print servers, ordering 243
HP SupportPack 24
HP Technical Training 242
humidity
specifications 19
troubleshooting 190, 192
I
I/O, Enhanced 79
idle mode, power consumption 20
image density
troubleshooting 189
voltage operations 89
image formation process
operations 91, 92
testing 201
image quality, troubleshooting
copies and scans 194
printed pages 188
repetitive image defect ruler 236
image sensor
troubleshooting 195
indicator lights, printer control panel
error messages 178
initializing 233
input trays.
See main input tray; priority input tray
inserting media 49
interface accessories, ordering 243
internal components, diagrams and part numbers
254
INTR (Initial Rotation Period) 98
isolated job settings 79
isopropyl alcohol, cleaning with
high-voltage connection points 204, 205
pickup roller 61
printer separation pad 62
J
jams
ADF 199
copier/scanner 199
detection operations 96
paper input trays 198
JetDirect print servers, ordering 243
K
keys, numeric
see dialing
keys.
See buttons
kick plate motion, observing 206
L
label, model and serial number 22
labels
specifications for 47
labels, printing 50
languages, printer 79
laser/scanner assembly
cautions for 109
diagrams and part numbers 255, 269, 275
operations 87
latent electrostatic image 92
leading edge
detection operations 94, 96
ADF 83
LEDs, printer control panel
error messages 178
left and right support covers
removing 139
left plate assembly, removing 162
length, product 19, 30
lenses, operations 92
letterhead, loading 50
life expectancies
extending toner cartridge 78
high-capacity print cartridges 18
recycling used print cartridges 25
lift plate
diagrams and part numbers 263, 269, 275
operations 94
light copies or scans, troubleshooting 195
lights, printer control panel
error messages 178
lines, troubleshooting
copies or scans 193, 194, 195
printed pages 189
lists, part numbers
alphabetical 266
numerical 271
LIU 76
safety isolation circuitry 101
safety protection 102
LIU functions and operation 100
LIU in the fax subsystem 101
LIU, locating 17
loading
originals 51– 53
loading media 49
loads, ECU 86
long pages, copying or scanning 199
loose toner, troubleshooting 191
lower metal shield, pickup assembly 156
LPT ports, troubleshooting 177
LSTR (Last Rotation Period) 98
M
machine screws 244