HP LaserJet Pro 500 - Control Panel Overview

Figure 1-33 Tray lift mechanism ............................................................................................................ 47
Figure 1-34 Paper-level-detection mechanism .......................................................................................... 48
Figure 1-35 Multifeed prevention .......................................................................................................... 48
Figure 1-36 Multipurpose tray pickup mechanism ................................................................................... 49
Figure 1-37 Paper-feed mechanism ....................................................................................................... 50
Figure 1-38 Skew-feed prevention ......................................................................................................... 51
Figure 1-39 Fuser and delivery unit ....................................................................................................... 52
Figure 1-40 Loop-control mechanism ..................................................................................................... 53
Figure 1-41 Pressure-roller pressurization control .................................................................................... 54
Figure 1-42 Duplexing unit ................................................................................................................... 55
Figure 1-43 Jam detection sensors ........................................................................................................ 57
Figure 1-44 Optional paper feeder ....................................................................................................... 59
Figure 1-45 Signals for the paper feeder ............................................................................................... 60
Figure 1-46 Paper-feeder pickup and feed operation ............................................................................... 61
Figure 1-47 Paper size detection .......................................................................................................... 62
Figure 1-48 Paper-feeder lift ................................................................................................................. 64
Figure 1-49 Paper-feeder multiple feed prevention .................................................................................. 65
Figure 1-50 Jam detection .................................................................................................................... 67
Figure 2-1 Control-panel 2ndary Service test access buttons ..................................................................... 85
Figure 2-2 Engine test button access ...................................................................................................... 87
Figure 2-3 Block diagram (product base) ............................................................................................... 88
Figure 2-4 DC controller PCA ............................................................................................................... 91
Figure 2-5 Component locations (1 of 5) ................................................................................................ 93
Figure 2-6 Component locations (2 of 5) ................................................................................................ 94
Figure 2-7 Component locations (3 of 5) ................................................................................................ 95
Figure 2-8 Component locations (4 of 5) ................................................................................................ 96
Figure 2-9 Component locations (5
of 5) ................................................................................................ 97
Figure 2-10 1 x 500-sheet paper feeder ................................................................................................ 99
Figure 2-11 Timing diagram ............................................................................................................... 100
Figure 2-12 Circuit diagram — product base (1 of 2) ............................................................................ 101
Figure 2-13 Circuit diagram — product base (2 of 2) ............................................................................ 102
Figure 2-14 Control-panel 2ndary Service test access buttons ................................................................. 173
Figure A-1 Prepare the product for shipping (1 of 3) ............................................................................. 211
Figure A-2 Prepare the product for shipping (2 of 3) ............................................................................. 212
Figure A-3 Prepare the product for shipping (3 of 3) ............................................................................. 213
Figure C-1 Certificate of Volatility (1 of 2) ............................................................................................ 228
Figure C-2 Certificate of Volatility (2 of 2) ............................................................................................ 229
xx ENWW
draft version