mylar strip, cleaning 36, 37

N

networks, firmware updates 42, 43 numbers, part

alphabetical list 162 numerical list 164

NVRAM initialization 46

O

operations

ADF document-feed system 67 component diagrams 54

copy processor board (CPB) 57 image processing 58 intermediate PCB 63

motor circuits 61 optical unit 65 overview 52 power supply 63

scanner controller board 61 optical unit

components 54, 55 connectors 62 drive belt tension 138

drive gear/motor assembly, removing 99 lock 20

motor circuit 61 operations 52, 65 reinstalling 97 removing 95 troubleshooting 122 voltage 63

ordering parts 144 output bin 20

output door, straight-through 21 output quality

specifications 15, 16 troubleshooting 136, 138

overcurrent protection 63

P

pages per minute (ppm) 15, 16 paper

capacity 15

HP, part numbers 145 jams 68, 128 misfeeds 140

sizes supported 18 trays. See trays troubleshooting 112, 140

paper-path test, ADF 126 parts

alphabetical list 162 assembly diagrams 147 numerical list 164 ordering 144

removing and replacing 24, 70 user-replaceable 39

paused mode 30 pay-per-page 134

PCI bridge operations 57, 60

Perform Printer Maintenance message 39, 127 phone numbers 25, 144

pickup roller, ADF diagrams 160 operations 67, 68

part number 161, 163, 164 removing 74

PIN, service menu 127 pliers 70

power supply

block diagram 64 connectors 21, 62 disconnecting 70 locating 55 operations 63 removing 101 troubleshooting 114, 116

PowerSave mode 30, 61

ppm (pages per minute) 15, 16 print cartridge

part number 145 removing 79 replacing 40 troubleshooting 137

print quality specifications 15, 16 troubleshooting 136, 138

print unit locating 24

top cover, removing 91 user-replaceable parts 40

printer drivers 25 production code 19

PS10 sensor (ADF door-open) connector 62

locating 55 operations 68 removing 98 troubleshooting 121

Q

quality

specifications 15, 16 troubleshooting 136, 138

R

RAM

copy processor board operations 57 part numbers 145

Ready light 30 ready mode 30, 114 reducing copy size 15, 30 remote firmware updates (RFUs)

configuration page 130

HP Web JetAdmin procedures 42 installation 41 troubleshooting 44, 119

Windows parallel connection procedures 43 removing parts 70

repair. See service replacement parts

alphabetical list 162 assembly diagrams 147 numerical list 164 ordering 144

removing and replacing 24, 70 user-replaceable 39

Reset key 30

resolution specifications 15, 16