HP color laserjet 2550 series Manuale Di Servizio
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Input trays ................................................................................................................................37
Printer output paths .................................................................................................................38
Printer output paths .................................................................................................................38
Loading tray 1 ...................................................................................................................39
Loading optional tray 2 .....................................................................................................40
Loading optional tray 3 .....................................................................................................42
Loading optional tray 2 .....................................................................................................40
Loading optional tray 3 .....................................................................................................42
Supported operating systems ...........................................................................................44
Supported browsers .........................................................................................................44
Viewing the HP LaserJet Toolbox ...................................................................................45
Status tab ..........................................................................................................................45
Troubleshooting tab ..........................................................................................................45
Alerts tab ...........................................................................................................................46
Documentation tab ...........................................................................................................46
Device Settings window ....................................................................................................47
Other links .........................................................................................................................48
Supported browsers .........................................................................................................44
Viewing the HP LaserJet Toolbox ...................................................................................45
Status tab ..........................................................................................................................45
Troubleshooting tab ..........................................................................................................45
Alerts tab ...........................................................................................................................46
Documentation tab ...........................................................................................................46
Device Settings window ....................................................................................................47
Other links .........................................................................................................................48
Chapter contents .....................................................................................................................49
Life expectancies of supplies ..................................................................................................50
User-replaceable parts ............................................................................................................52
Life expectancies of supplies ..................................................................................................50
User-replaceable parts ............................................................................................................52
Replacing the tray 1 pickup roller and separation pad .....................................................52
Replacing the separation pad in optional tray 2 or in optional tray 3 ...............................57
Replacing the separation pad in optional tray 2 or in optional tray 3 ...............................57
Supplies life ......................................................................................................................64
Checking and ordering supplies .......................................................................................64
Storing supplies ................................................................................................................65
Replacing and recycling supplies .....................................................................................65
HP policy for non-HP supplies ..........................................................................................66
HP fraud hotline ................................................................................................................66
Checking and ordering supplies .......................................................................................64
Storing supplies ................................................................................................................65
Replacing and recycling supplies .....................................................................................65
HP policy for non-HP supplies ..........................................................................................66
HP fraud hotline ................................................................................................................66
Chapter contents .....................................................................................................................67
Introduction ..............................................................................................................................68
Engine control system .............................................................................................................70
Introduction ..............................................................................................................................68
Engine control system .............................................................................................................70
Basic sequence of operation ............................................................................................70
Power-on sequence ..........................................................................................................72
Motors and fans ................................................................................................................73
Power-on sequence ..........................................................................................................72
Motors and fans ................................................................................................................73
Laser/scanner system .............................................................................................................74
Pickup and feed system ..........................................................................................................75
Pickup and feed system ..........................................................................................................75
Paper trays .......................................................................................................................76
Jam detection ...................................................................................................................77
Photosensors and switches ..............................................................................................78
Solenoid and clutches ......................................................................................................80
Printed circuit assemblies .................................................................................................82
Jam detection ...................................................................................................................77
Photosensors and switches ..............................................................................................78
Solenoid and clutches ......................................................................................................80
Printed circuit assemblies .................................................................................................82
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