List of figures Figure 1-1 HP LaserJet 3050/3052/3055 all-in-one identification label ............................................................ 11 Figure 2-1 HP LaserJet 3050 all-in-one dimensions ........................................................................................ 26 Figure 2-2 HP LaserJet 3052/3055 all-in-one dimensions ............................................................................... 26 Figure 2-3 HP LaserJet 3050 all-in-one box contents ......................................................................................
28 Figure 2-4 HP LaserJet 3052/3055 all-in-one box contents ............................................................................. 29 Figure 3-1 Sample configuration page ............................................................................................................. 51 Figure 4-1 All-in-one configuration ................................................................................................................... 65 Figure 4-2 HP LaserJet 3050/3052/3055 all-in-one timing diagram—printer (product base) ........................... 69 Figure 4-3 Printer (product base) functional block diagram .............................................................................
74 Figure 4-4 Laser/scanner operation ................................................................................................................. 76 Figure 4-5 High-voltage power supply circuit ................................................................................................... 78 Figure 4-6 Image-formation block diagram ...................................................................................................... 79 Figure 4-7 Printer (product base) paper path ...................................................................................................
81 Figure 4-8 Basic operation block diagram ........................................................................................................ 83 Figure 4-9 HP LaserJet 3050 all-in-one optical and feed systems ................................................................... 84 Figure 4-10 HP LaserJet 3050 all-in-one feed control (1 of 2) ......................................................................... 85 Figure 4-11 HP LaserJet 3050 all-in-one feed control (2 of 2) ......................................................................... 86 Figure 4-12 HP LaserJet 3050 all-in-one optical system (1 of 2) .....................................................................
87 Figure 4-13 HP LaserJet 3050 all-in-one optical system (2 of 2) ..................................................................... 88 Figure 4-14 HP LaserJet 3052/3055 all-in-one optical system ........................................................................ 89 Figure 4-15 HP LaserJet 3052/3055 all-in-one ADF path ................................................................................ 91 Figure 5-1 HP LaserJet 3050/3052/3055 all-in-one ....................................................................................... 103 Figure 5-2 Parts removal order for the HP LaserJet 3050 all-in-one .............................................................
104 Figure 5-3 Parts removal order for the HP LaserJet 3052/3055 all-in-one .................................................... 104 Figure 5-4 Parts removal order for the printer (product base, all models) ..................................................... 105 Figure 5-5 Parts removal order, HP LaserJet 3050 all-in-one scanner assembly .......................................... 106 Figure 5-6 Removing the link assemblies and scanner support-frame springs (1 of 4) ................................. 107 Figure 5-7 Removing the link assemblies and scanner support-frame springs (2 of 4) .................................
107 Figure 5-8 Removing the link assemblies and scanner support-frame springs (3 of 4) ................................. 108 Figure 5-9 Removing the link assemblies and scanner support-frame springs (4 of 4) ................................. 108 Figure 5-10 Removing the scanner side covers (1 of 2) ................................................................................ 109 Figure 5-11 Removing the scanner side covers (2 of 2) ................................................................................ 110 Figure 5-12 Removing the separation pad .....................................................................................................
111 Figure 5-13 Removing the control-panel bezel (1 of 3) .................................................................................. 112 Figure 5-14 Removing the control-panel bezel (2 of 3) .................................................................................. 112 Figure 5-15 Removing the control-panel bezel (3 of 3) .................................................................................. 113 Figure 5-16 Removing the control-panel assembly (1 of 2) ........................................................................... 114 Figure 5-17 Removing the control-panel assembly (2 of 2) ...........................................................................
114 Figure 5-18 Removing the media lever and media-lever torsion spring ......................................................... 115 Figure 5-19 Removing the separation-pad assembly (1 of 3) ........................................................................ 116 ENWW xv