4
Printer
m
aintenance
This chapter contains information for the following maintenance topics.
Cleaning the printer and accessories
..................................................................................
106
Cleaning spilled toner
.....................................................................................................
106
Vacuum specifications
....................................................................................................
106
Periodic cleaning
...................................................................................................................
108
Cleaning the static discharge comb
...............................................................................
108
Cleaning the OHT sensor
...............................................................................................
109
Approximate replacement intervals for supply items
............................................................
111
ETB life under different circumstances
...........................................................................
113
Locating supplies
..................................................................................................................
114
Replacing supply items
.........................................................................................................
115
Changing print cartridges
...............................................................................................
115
Replacing the transfer unit (ETB)
...................................................................................
117
Replacing the transfer unit when it is not at end of life
..................................................
118
Replacing the fuser
.........................................................................................................
119
Replacing the fuser when it is not at end of life
..............................................................
120
Printer memory (HP Color LaserJet 5500 models)
...............................................................
122
To print a configuration page
..........................................................................................
122
Installing memory and font DIMMs (for HP Color LaserJet 5500 models)
.....................
122
Installing DDR memory DIMMs (for HP Color LaserJet 5550 models)
..........................
125
Enabling memory (HP Color LaserJet 5500 models)
.....................................................
128
Enabling the language font DIMM (HP Color LaserJet 5550 models)
...........................
128
Enabling the language font DIMM (HP Color LaserJet 5500 models)
...........................
129
Checking DIMM installation (HP Color LaserJet 5500 models)
.....................................
129
Installing an HP Jetdirect print server card
....................................................................
129
ENWW
105