PCAs .............................................................................................................. 54
Optional 250-sheet cassette ....................................................................... 55
Diagrams: General timing chart ...................................................................................... 56
Diagrams: Circuit diagram .............................................................................................. 57
Diagrams: CPU/ASIC diagrams ........................................................................................ 58
Diagrams: HVT/Toner EMP diagram ............................................................................... 60
Diagrams: Driver PCA diagram ....................................................................................... 61
Diagrams: Duplexer PCA diagram .................................................................................. 62
Diagrams: FSR diagram .................................................................................................. 63
Print-quality troubleshooting tools ................................................................................................. 64
Print-quality troubleshooting tools: Repetitive defects ruler ....................................... 64
Tools for troubleshooting: Control panel menus ............................................................................. 65
Setup menu ..................................................................................................................... 65
HP Web Services menu ................................................................................. 65
Reports menu ............................................................................................... 66
Self Diagnostics menu .................................................................................. 66
Fax Setup menu ............................................................................................ 67
System Setup menu ..................................................................................... 69
Service menu ................................................................................................ 72
Network Setup menu .................................................................................... 74
Quick Forms menu ........................................................................................ 75
Fax Menu ......................................................................................................................... 75
Copy Menu ....................................................................................................................... 77
Tools for troubleshooting: Interpret control panel messages ........................................................ 78
Control panel message types ......................................................................................... 78
Control panel messages ................................................................................................. 79
10.100X Supply Memory Error ..................................................................... 79
30.XXXX Scanner Error ................................................................................. 80
49 Error, Turn off then on ............................................................................ 80
50.XXXX Fuser Error ..................................................................................... 81
51.XX and 52.XX Error To continue turn off then on ................................... 82
54.0100 — 54.1599 Error ............................................................................ 82
55.1 DC controller Memory Error ................................................................. 83
57 Fan Error, Turn off then on ..................................................................... 83
58.04 Error Turn off then on ........................................................................ 83
59.XXXX Error Turn off then on ................................................................... 84
60.XXXX Error Turn off then on ................................................................... 85
79 Error Turn off then on ............................................................................. 85
Device is busy. Try again later. ..................................................................... 86
Document feeder mispick. Reload. .............................................................. 86
Document feeder jam. Clear and reload. ..................................................... 87
viii ENWW
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