HP LaserJet M1522 MFP Series - Page 12

List of figures
Figure 2-1 Operating environment ................................................................................................................... 16
Figure 4-1 System block diagram ..................................................................................................................... 48
Figure 4-2 Optical system ................................................................................................................................ 50
Figure 4-3 ADF paper path ............................................................................................................................... 52
Figure 4-4 Cross-section of printer ................................................................................................................... 54
Figure 4-5 Engine control system ..................................................................................................................... 55
Figure 4-6 Engine-control-system circuit diagram ............................................................................................ 56
Figure 4-7 Laser/scanner system ..................................................................................................................... 57
Figure 4-8 Pickup/feed/delivery system ........................................................................................................... 58
Figure 4-9 Image-formation system ................................................................................................................. 59
Figure 4-10 Primary charging ........................................................................................................................... 59
Figure 4-11 Developing .................................................................................................................................... 60
Figure 4-12 Transfer ......................................................................................................................................... 61
Figure 4-13 Separation ..................................................................................................................................... 61
Figure 4-14 Fusing ........................................................................................................................................... 61
Figure 4-15 Drum cleaning ............................................................................................................................... 62
Figure 5-1 Phillips and pozidrive screwdriver comparison ............................................................................... 71
Figure 5-2 Parts removal order for the scanner and ADF ................................................................................ 74
Figure 5-3 Parts removal order for the product (product base) ........................................................................ 74
Figure 5-4 Remove the ADF input tray ............................................................................................................. 75
Figure 5-5 Remove the flatbed lid (1 of 5) ........................................................................................................ 76
Figure 5-6 ADF cover correctly installed .......................................................................................................... 76
Figure 5-7 Remove the flatbed lid (2 of 5) ........................................................................................................ 77
Figure 5-8 Remove the flatbed lid (3 of 5) ........................................................................................................ 77
Figure 5-9 Remove the flatbed lid (4 of 5) ........................................................................................................ 78
Figure 5-10 Remove the flatbed lid (5 of 5) ...................................................................................................... 78
Figure 5-11 Remove the link assemblies and scanner support-frame springs (1 of 4) .................................... 79
Figure 5-12 Remove the link assemblies and scanner support-frame springs (2 of 4) .................................... 79
Figure 5-13 Remove the link assemblies and scanner support-frame springs (3 of 4) .................................... 80
Figure 5-14 Remove the link assemblies and scanner support-frame springs (4 of 4) .................................... 80
Figure 5-15 Remove the control-panel bezel ................................................................................................... 81
Figure 5-16 Remove the control-panel assembly (1 of 2) ................................................................................ 82
Figure 5-17 Remove the control-panel assembly (2 of 2) ................................................................................ 82
Figure 5-18 Remove the ADF separation pad ................................................................................................. 83
Figure 5-19 Remove the ADF input-tray flag .................................................................................................... 84
Figure 5-20 Replacing the ADF pickup roller assembly (1 of 6) ....................................................................... 85
Figure 5-21 Replacing the ADF pickup roller assembly (2 of 6) ....................................................................... 85
Figure 5-22 Replacing the ADF pickup roller assembly (3 of 6) ....................................................................... 86
Figure 5-23 Replacing the ADF pickup roller assembly (4 of 6) ....................................................................... 86
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