HP color laserjet 2550 series Manuale Di Servizio
F
formatter
formatter cage, replacing 111
fraud hotline 66
front cover, replacing 130
front frame assembly, diagrams and part numbers 246
front lower cover, replacing 121
fuser
fraud hotline 66
front cover, replacing 130
front frame assembly, diagrams and part numbers 246
front lower cover, replacing 121
fuser
control circuit 70
diagram 84
life expectancy 51
operations 89
replacing 104
roller, testing 219
wrap sensor, replacing 161
diagram 84
life expectancy 51
operations 89
replacing 104
roller, testing 219
wrap sensor, replacing 161
fuser motor
G
gray background, troubleshooting 194
H
heavy paper specifications 17
high-voltage power supply
high-voltage power supply
accessing 236
calibrating printer 63
cleaning page, printing 61
device settings 47
operating systems supported 9
using 44
calibrating printer 63
cleaning page, printing 61
device settings 47
operating systems supported 9
using 44
HP Technical Training 238
HP Web Jetadmin
humidity specifications
I
IBM OS/2 support 9
image formation
image formation
developing stage 86
engine control system 70
fusing stage 89
laser beam operations 86
primary charging stage 85
separation stage 89
stages 85
system components 84
transfer stage 87
engine control system 70
fusing stage 89
laser beam operations 86
primary charging stage 85
separation stage 89
stages 85
system components 84
transfer stage 87
image quality
images, repeated 199
imaging drum
imaging drum
cleaning operations 93
E-label 94, 132
life expectancy 51
non-HP supplies policy 66
operations 74, 84, 86
replacing 103
status light 35, 178
status page, printing 226
status, checking 64
storing 65
warranty 24
E-label 94, 132
life expectancy 51
non-HP supplies policy 66
operations 74, 84, 86
replacing 103
status light 35, 178
status page, printing 226
status, checking 64
storing 65
warranty 24
information pages
internal components, diagrams and part numbers
printer 251
Internet Explorer, versions supported 44
INTR (initial rotation) sequence 71
ITB cleaning operations 84, 90, 92
INTR (initial rotation) sequence 71
ITB cleaning operations 84, 90, 92
ENWW
Index
287