Print settings ...................................................................................................................... 76 Printing .............................................................................................................. 76 PCL 5e .............................................................................................................. 77 PostScript .......................................................................................................... 77 Network settings ................................................................................................................
77 Using Macintosh Configure Device (Mac OS X V10.3 and Mac OS X V10.4) ................................... 78 Understanding the Embedded Web server ........................................................................................ 79 Features ............................................................................................................................. 79 4 Theory of operation Basic operation ................................................................................................................................... 82 Sequence of operation for the base unit ............................................................................
82 Scanner and ADF functions and operation ........................................................................................ 84 Scanner functions ............................................................................................................. 84 Scanner operation ............................................................................................................. 85 ADF operation .................................................................................................................... 85 ADF paper path and ADF sensors .....................................................................................
86 ADF jam detection ............................................................................................................. 87 Internal components (base unit) ......................................................................................................... 88 Engine control system ........................................................................................................................ 90 Laser/scanner system ........................................................................................................................
92 Pickup/feed/delivery system ............................................................................................................... 93 Image-formation system ..................................................................................................................... 95 Fax functions and operation ............................................................................................................... 99 Computer and network security features ........................................................................... 99 PSTN operation .................................................................................................................
99 To receive faxes when you hear fax tones ...................................................................... 100 Distinctive ring function .................................................................................................... 100 Faxing with Voice over IP services .................................................................................. 101 The fax subsystem ........................................................................................................... 101 Formatter in the fax subsystem .......................................................................................
101 LIU in the fax subsystem ................................................................................................. 102 Safety isolation ................................................................................................ 102 Safety-protection circuitry ................................................................................ 102 Data path ......................................................................................................... 103 Hook state .......................................................................................................
103 Downstream current detection ........................................................................ 103 Hook switch control ......................................................................................... 104 Ring detect ...................................................................................................... 104 Line current control ......................................................................................... 104 Billing- (metering-) tone filters ......................................................................... 104 Fax page storage in flash memory ..................................................................................
105 Stored fax pages ............................................................................................. 105 Advantages of flash memory storage ............................................................. 105 5 Removal and replacement Introduction ....................................................................................................................................... 108 Removal and replacement strategy ................................................................................ 108 Electrostatic discharge .....................................................................................................
108 User-replaceable parts .................................................................................................... 109 ENWW vii