HP LaserJet Pro 500 - Page 9

Jam detection ........................................................................................................................ 57
Optional paper feeder ............................................................................................................ 59
Paper-feeder pickup and feed operation .................................................................... 61
Paper size detection and presence detection .............................................................. 62
Paper feeder lift operation ........................................................................................ 64
Paper feeder presence detection ............................................................................... 65
Paper-feeder multiple feed prevention ........................................................................ 65
Paper feeder jam detection ....................................................................................... 67
Scanning/image capture system .............................................................................................. 68
Scanner power-on sequence of events ....................................................................... 68
Copy or scan sequence of events .............................................................................. 69
Fax functions and operation .................................................................................................... 70
Computer and network security features ..................................................................... 70
PSTN operation ...................................................................................................... 70
Receive faxes when you hear fax tones ...................................................................... 70
Distinctive ring function ............................................................................................ 71
Use fax with voice over IP services ............................................................................ 71
The fax subsystem ................................................................................................... 72
Fax card in the fax subsystem ................................................................................... 72
Safety isolation ........................................................................................ 72
Safety-protection circuitry .......................................................................... 72
Data path ................................................................................................ 73
Hook state ............................................................................................... 73
Downstream device detection .................................................................... 74
Hook switch control .................................................................................. 74
Ring detect .............................................................................................. 74
Line current control ................................................................................... 74
Billing- (metering-) tone filters ..................................................................... 74
Fax page storage in flash memory ............................................................................ 74
Stored fax pages ...................................................................................... 75
Advantages of flash memory storage .......................................................... 75
2 Solve problems ............................................................................................................... 77
Solve problems checklist ......................................................................................................... 78
Menu map ............................................................................................................................ 80
Troubleshooting process .......................................................................................................... 81
Pre-troubleshooting checklist ..................................................................................... 81
Determine the problem source ................................................................................... 83
Power subsystem ..................................................................................................... 84
Power-on checks ...................................................................................... 84
Control-panel checks ............................................................................................... 84
ENWW vii
draft version