HP color laserjet 2550 series Manuale Di Servizio

motors

carousel-engagement, replacing 120
diagrams 73
fuser, replacing 116
print cartridge 93
replacing 139
testing 219
tray 2 and 3 76

MS-DOS Command Prompt 223

Netscape Navigator, versions supported 44
networks

software for 11
troubleshooting 207

non-HP supplies 66
non-volatile memory

PJL commands 223
resetting 221

NVRAM

PJL commands 223
resetting 221

on/off switch 7
on/off switch, replacing 109
online support 238
operating environment specifications 32
operating environment, specifications 16
operating systems supported 9
operations

clutches 80
E-label 94
engine control system 70
fans 73
image formation process 85
image formation system 84
jam detection 77
motors 73
paper trays 76
pickup and feed system 75
power-on 72
print cartridges 93
printed circuit assemblies (PCAs) 82
sensors and switches 78
sequences 70
solenoids 80
timing chart 228

ordering

parts 238
supplies 65, 238

OS/2 support 9

output bins

features 5
jams, clearing 174
locating 7
troubleshooting 210
using 38

output quality

color, troubleshooting 200
specifications 4
troubleshooting 190, 199

page skew, troubleshooting 197
pages per minute 4
paper

curl, troubleshooting 197
loading tray 1 39
loading tray 2 40
loading tray 3 42
output paths 38
path check 219
selecting 18
skew, troubleshooting 197
specifications 17, 19
tray 1, types supported 17
troubleshooting 208
wrinkled, troubleshooting 198

paper input trays. See trays
paper jams. See jams
paper output bins

features 5
locating 7

paper-top sensor, replacing 160
parallel port

connecting to 33
locating 7
troubleshooting 170
type included 5

parts

ordering 238
removing and replacing 99, 101

paused printing 36
PCAs (printed circuit assemblies) 82, 268
PCL drivers

backward compatibility 11
features 5
operating systems supported 9

PDEs, Macintosh 12
personalities 5
phone numbers

fraud hotline 66
supplies ordering 238

photosensors

density, replacing 130
diagrams 78
fuser-wrap, replacing 161
jam detection 77

ENWW

Index