RFUs (remote firmware updates) configuration page 130
HP Web JetAdmin procedures 42 installation 41 troubleshooting 44, 119
Windows parallel connection procedures 43
rollers
diagrams 56, 160 operations 67, 68 part numbers 161 pickup, removing 74 separation, removing 76
S
scan unit
diagrams 152, 154
part numbers 153, 155 power supply, removing 101 removing 89
scanner controller board
components 54 connectors 62
copy processor board (CPB) signals 57, 58 locating 55
operations 52, 61 optical unit activation 65 removing 104 voltage 63
scanning calibration 47 control panel keys 30 operations overview 52 resolution 15, 16 skew specifications 17 speed 15, 16
status bar 31 troubleshooting 123 using ADF 28 using glass 29
scanning lamp locating 55 operations 52, 65, 66 removing 93
testing 126 troubleshooting 123
screwdrivers 70 screws
part numbers 146
sensors
ADF 67, 68 testing 126 separation pad, ADF diagrams 160
operations 67, 68
part number 161, 163, 164 removing 77
separation roller, ADF diagrams 160 operations 67, 68
part number 161, 163, 165 removing 76
serial number 19, 127 service
agreements 25 approach 24
HP LaserJet 4000 comparison 146 manuals 14
menu 32, 127
removing and replacing parts 70, 72 tools, required 70
settings, default firmware updates 41 menu map 33 restoring 30
size specifications
media 18 MFP 16
skew specifications 17 troubleshooting 128, 139
software
digital sending 14, 145 downloading 25 troubleshooting 144
space requirements 16 specifications
features 15 media 15, 18 physical 16 skew 17
speed specifications 15, 16
SRAM
copy processor board operations 57 part numbers 145
Start key 30
static protection 70 stationary jams 68 status
bar, control panel 31 messages 120 page, supplies 133
Stop key 30
T
technical support 25, 144 telephone numbers 25, 144 tests 126
theory of operations. See operations toner cartridge. See print cartridge tools, required 70
top cover diagram 150 part numbers 151 removing 91
training, HP 144, 145 trays
adding 16
ADF input, removing 73 capacity 15
included 14
part numbers 145
| Index 171 |