HP LaserJet Pro 100 Service Manual - Page 17

Diagnostics

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Page 17 highlights

Figure 1-74 Remove the engine controller assembly (2 of 7 59 Figure 1-75 Remove the engine controller assembly (3 of 7 59 Figure 1-76 Remove the engine controller assembly (4 of 7 60 Figure 1-77 Remove the engine controller assembly (5 of 7 60 Figure 1-78 Remove the engine controller assembly (6 of 7 61 Figure 1-79 Remove the engine controller assembly (7 of 7 61 Figure 1-80 Installing a replacement engine controller assembly 62 Figure 1-81 Remove the low-voltage power supply assembly (1 of 9 63 Figure 1-82 Remove the low-voltage power supply assembly (2 of 9 64 Figure 1-83 Remove the low-voltage power supply assembly (3 of 9 64 Figure 1-84 Remove the low-voltage power supply assembly (4 of 9 65 Figure 1-85 Remove the low-voltage power supply assembly (5 of 9 65 Figure 1-86 Remove the low-voltage power supply assembly (6 of 9 66 Figure 1-87 Remove the low voltage power supply assembly (7 of 9 66 Figure 1-88 Remove the low-voltage power supply assembly (8 of 9 67 Figure 1-89 Remove the low-voltage power supply assembly (9 of 9 67 Figure 1-90 Reinstall the low-voltage power supply 68 Figure 1-91 Installing a replacement low-voltage power supply 68 Figure 1-92 Remove the document feeder input tray (1 of 2 69 Figure 1-93 Remove the document feeder input tray (2 of 2 69 Figure 1-94 Remove the document feeder cover (1 of 3 70 Figure 1-95 Remove the document feeder cover (2 of 3 70 Figure 1-96 Remove the document feeder cover (3 of 3 71 Figure 1-97 Remove the document feeder core (1 of 4 72 Figure 1-98 Remove the document feeder core (2 of 4 72 Figure 1-99 Remove the document feeder core (3 of 4 73 Figure 1-100 Remove the document feeder core (4 of 4 73 Figure 1-101 Remove the post scan pinch rollers 74 Figure 1-102 Remove the document feeder base assembly (1 of 3 75 Figure 1-103 Remove the document feeder base assembly (2 of 3 76 Figure 1-104 Remove the document feeder base assembly (3 of 3 76 Figure 2-1 Locations of connectors ...83 Figure 2-2 Cross section view ...84 Figure 2-3 External covers and doors (base 85 Figure 2-4 General timing diagram ...86 Figure 2-5 General circuit diagram ...87 Figure 2-6 Diagnostics Page ...88 Figure 3-1 Base product (no optional trays or accessories 105 Figure 3-2 Covers, panels, and doors 106 Figure 3-3 Internal assembly ...108 Figure 3-4 PCAs ...110 ENWW xv

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Figure 1-74
Remove the engine controller assembly (2 of 7)
.....................................................................
59
Figure 1-75
Remove the engine controller assembly (3 of 7)
.....................................................................
59
Figure 1-76
Remove the engine controller assembly (4 of 7)
.....................................................................
60
Figure 1-77
Remove the engine controller assembly (5 of 7)
.....................................................................
60
Figure 1-78
Remove the engine controller assembly (6 of 7)
.....................................................................
61
Figure 1-79
Remove the engine controller assembly (7 of 7)
.....................................................................
61
Figure 1-80
Installing a replacement engine controller assembly
...............................................................
62
Figure 1-81
Remove the low-voltage power supply assembly (1 of 9)
........................................................
63
Figure 1-82
Remove the low-voltage power supply assembly (2 of 9)
........................................................
64
Figure 1-83
Remove the low-voltage power supply assembly (3 of 9)
........................................................
64
Figure 1-84
Remove the low-voltage power supply assembly (4 of 9)
........................................................
65
Figure 1-85
Remove the low-voltage power supply assembly (5 of 9)
........................................................
65
Figure 1-86
Remove the low-voltage power supply assembly (6 of 9)
........................................................
66
Figure 1-87
Remove the low voltage power supply assembly (7 of 9)
........................................................
66
Figure 1-88
Remove the low-voltage power supply assembly (8 of 9)
........................................................
67
Figure 1-89
Remove the low-voltage power supply assembly (9 of 9)
........................................................
67
Figure 1-90
Reinstall the low-voltage power supply
.................................................................................
68
Figure 1-91
Installing a replacement low-voltage power supply
................................................................
68
Figure 1-92
Remove the document feeder input tray (1 of 2)
....................................................................
69
Figure 1-93
Remove the document feeder input tray (2 of 2)
....................................................................
69
Figure 1-94
Remove the document feeder cover (1 of 3)
..........................................................................
70
Figure 1-95
Remove the document feeder cover (2 of 3)
..........................................................................
70
Figure 1-96
Remove the document feeder cover (3 of 3)
..........................................................................
71
Figure 1-97
Remove the document feeder core (1 of 4)
...........................................................................
72
Figure 1-98
Remove the document feeder core (2 of 4)
...........................................................................
72
Figure 1-99
Remove the document feeder core (3 of 4)
...........................................................................
73
Figure 1-100
Remove the document feeder core (4 of 4)
.........................................................................
73
Figure 1-101
Remove the post scan pinch rollers
....................................................................................
74
Figure 1-102
Remove the document feeder base assembly (1 of 3)
...........................................................
75
Figure 1-103
Remove the document feeder base assembly (2 of 3)
...........................................................
76
Figure 1-104
Remove the document feeder base assembly (3 of 3)
...........................................................
76
Figure 2-1
Locations of connectors
........................................................................................................
83
Figure 2-2
Cross section view
...............................................................................................................
84
Figure 2-3
External covers and doors (base)
...........................................................................................
85
Figure 2-4
General timing diagram
.......................................................................................................
86
Figure 2-5
General circuit diagram
.......................................................................................................
87
Figure 2-6
Diagnostics Page
.................................................................................................................
88
Figure 3-1
Base product (no optional trays or accessories)
.....................................................................
105
Figure 3-2
Covers, panels, and doors
.................................................................................................
106
Figure 3-3
Internal assembly
...............................................................................................................
108
Figure 3-4
PCAs
...............................................................................................................................
110
ENWW
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