HP LaserJet Pro MFP M521 - Manage and maintain; Configure IP network settings; HP Utility for Mac OS X; Economy settings

DC controller connections ........................................................... 58
Formatter connections ................................................................ 59
Plug and port locations ............................................................................. 60
Locations of major assemblies .................................................................... 61
General timing charts ............................................................................... 65
Circuit diagrams ...................................................................................... 66
Use HP Device Toolbox (Windows) ........................................................................... 68
Internal print-quality test pages .................................................................................. 69
Clean the paper path ............................................................................... 69
Print the configuration page ....................................................................... 69
Print quality troubleshooting tools .............................................................................. 70
Repetitive defects ruler .............................................................................. 70
Control-panel menus ................................................................................................ 71
Setup Menu ............................................................................................. 71
HP Web Services ...................................................................... 71
Reports menu ............................................................................ 72
Self Diagnostics menu ................................................................ 73
Fax Setup menu ........................................................................ 73
System Setup menu .................................................................... 76
Service menu ............................................................................ 79
Network Setup menu ................................................................. 81
Quick Forms menu .................................................................... 82
Function specific menus ............................................................................. 83
USB Flash Drive ........................................................................ 83
Fax Menu ................................................................................. 83
Copy Menu .............................................................................. 86
Scan Menu ............................................................................... 87
Apps ....................................................................................... 87
Interpret control-panel messages ............................................................................... 88
Control panel message types ..................................................................... 88
Control panel messages ............................................................................ 88
49 Error, Turn off then on ........................................................... 88
50.x Fuser Error ........................................................................ 88
51.XX Error .............................................................................. 88
54.XX Error .............................................................................. 89
55.X Error ................................................................................ 89
57 Fan Error, Turn off then on ..................................................... 89
59.X Error ................................................................................ 90
79 Error Turn off then on ............................................................ 90
Black Cartridge low ................................................................... 90
Black Cartridge very low ............................................................ 90
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