Print quality ....................................................................................... 64 Paper types ...................................................................................... 64 System setup .................................................................................... 65 Service .............................................................................................. 65 Device Polling ................................................................................... 65 Print settings .....................................................................................................
65 Printing ............................................................................................. 65 PCL 5e .............................................................................................. 66 PostScript ......................................................................................... 66 Network settings ................................................................................................ 66 Embedded Web server ...................................................................................................... 66 Features ............................................................................................................
66 Secure the embedded Web server ................................................................... 67 Macintosh Configure Device (Mac OS X v10.3, v10.4, and later) ..................................... 67 4 Theory of operation Basic operation ................................................................................................................................... 70 Sequence of operation for the base unit ............................................................................ 70 Scanner and ADF functions and operation ........................................................................................
72 Scanner functions ............................................................................................................. 72 Scanner operation ............................................................................................................. 73 ADF operation .................................................................................................................... 73 ADF paper path and ADF sensors ..................................................................................... 74 ADF jam detection .............................................................................................................
75 Internal components (base unit) ......................................................................................................... 76 Engine control system ........................................................................................................................ 78 Laser/scanner system ........................................................................................................................ 80 Pickup/feed/delivery system ...............................................................................................................
81 Image-formation system .................................................................................................................... 83 Fax functions and operation .............................................................................................................. 87 Computer and network security features ........................................................................... 87 PSTN operation ................................................................................................................. 87 Receive faxes when you hear fax tones ............................................................................
87 Distinctive ring function ...................................................................................................... 88 Fax by using Voice over IP services .................................................................................. 88 The fax subsystem ............................................................................................................. 89 Fax card in the fax subsystem ........................................................................................... 89 Safety isolation ..................................................................................................
89 Safety-protection circuitry .................................................................................. 89 Data path ........................................................................................................... 90 Hook state ......................................................................................................... 90 Downstream device detection ........................................................................... 90 Hook switch control ........................................................................................... 90 Ring detect ........................................................................................................
91 Line current control ........................................................................................... 91 Billing- (metering-) tone filters ........................................................................... 91 Fax page storage in flash memory .................................................................................... 91 Stored fax pages ............................................................................................... 91 Advantages of flash memory storage ............................................................... 91 ENWW v