FPGA operations 57, 60 FRUs (field replaceable units)
alphabetical list 162 numerical list 164 ordering 144
part numbers 147
removing and replacing 24, 70
fuse, overcurrent protection 63
G
glass
calibrating scanner 48, 49 cleaning 36
copying from 29 diagram 156
media specifications 18 part number 157 removing 92 scanning operations 53 troubleshooting 123
H
hard disk
file directory page 135 initialization 45 locating 21
Help key 30
horizontal lines, troubleshooting 138 HP JetDirect card
locating 21 replacing 40
HP JetDirect page 132
HP LaserJet 4000 comparison 146 HP Technical Training 144
HP Web JetAdmin firmware updates 42
I
image quality specifications 15, 16 troubleshooting 136, 138
information pages 114, 130 initializing hard drive 45 input trays. See trays intake fan
connector 62 filter 86 locating 55 operations 61, 68 removing 106 troubleshooting 116, 122 voltage 63
intermediate PCB connector 62 operations 63
inverter PCB connector 62 operations 66 removing 103 testing 126 troubleshooting 123
J
jams
detection operations 68 misfeeds 140 troubleshooting 128
JetAdmin firmware updates 42
JetDirect card locating 21 replacing 40
JetDirect page 132
K
keys, control panel 30
L
lamp. See scanning lamp language, control panel 117 LaserJet 4000 comparison 146 leading edge calibration 48, 49
operations 68 testing 126
LEDs
control panel 30, 126
copy processor board (CPB) 59, 124
lights
control panel 30, 126
copy processor board (CPB) 59, 124 lines, troubleshooting 138, 139
lock,
M
maintenance agreements 25 cleaning procedures 36 counts, clearing 127 kits 39
manuals 14, 144 media
capacity 15
HP, part numbers 145 jams 68, 128 misfeeds 140
sizes supported 18 trays. See trays troubleshooting 112, 140
memory
access door, locating 21 configuration page 130
copy processor board components 57 included 14
part numbers 145 menus
control panel 32, 33 service 127
messages
control panel 120 event log 117 firmware updates 44 language settings 117
MFP, defined 14
MIPS processor operations 57, 60 misfeeds 128, 140
model comparison 14, 146 model number 19 motors
operations 61
optical unit, removing 99 testing 126
voltage 63 multifeeds 128, 140
multifunction printer (MFP), defined 14
| Index 169 |