PCL 5e
................................................................................................................
79
PostScript
............................................................................................................
79
Network settings
..................................................................................................................
79
Using Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4)
.....................................
80
Understanding the Embedded Web server
..........................................................................................
81
Features
...............................................................................................................................
81
4
Theory of operation
Basic operation
.....................................................................................................................................
84
Sequence of operation for the base unit
..............................................................................
84
Internal components (base unit)
...........................................................................................................
86
Engine control system
..........................................................................................................................
88
Laser/scanner system
..........................................................................................................................
90
Pickup/feed/delivery system
.................................................................................................................
91
Image-formation system
.......................................................................................................................
93
Scanner and ADF functions and operation
..........................................................................................
97
Scanner functions
...............................................................................................................
97
Scanner operation
...............................................................................................................
97
ADF operation
......................................................................................................................
98
ADF paper path and ADF sensors
.......................................................................................
98
ADF jam detection
...............................................................................................................
99
Fax functions and operation
...............................................................................................................
100
PSTN operation
.................................................................................................................
100
To receive faxes when you hear fax tones
........................................................................
100
Distinctive ring function
......................................................................................................
100
The fax subsystem
.............................................................................................................
101
Formatter in the fax subsystem
.........................................................................................
101
LIU in the fax subsystem
...................................................................................................
101
Safety isolation
..................................................................................................
102
Safety-protection circuitry
..................................................................................
102
Data path
...........................................................................................................
102
Hook state
.........................................................................................................
103
Downstream current detection
..........................................................................
103
Hook switch control
...........................................................................................
103
Ring detect
........................................................................................................
103
Line current control
...........................................................................................
103
Billing (metering) tone filters
..............................................................................
104
Fax page storage in flash memory
....................................................................................
104
Stored fax pages
...............................................................................................
104
Advantages of flash memory storage
...............................................................
104
5
Removal and replacement
Introduction
.........................................................................................................................................
108
Removal and replacement strategy
..................................................................................
108
Electrostatic discharge
.......................................................................................................
108
User-replaceable parts
......................................................................................................
109
Required tools
...................................................................................................................
109
Before performing service
..................................................................................................
109
After performing service
.....................................................................................................
109
Post-service tests
..............................................................................................................
110
ENWW
vii