Figure 3-29. Remove the separation pad.............................................................................62
Figure 3-30. Replacing the ADF input tray...........................................................................63
Figure 3-31. Replacing the ADF output bin..........................................................................63
Figure 3-32. Replacing the ADF pickup-roller assembly (1 of 9) ........................................63
Figure 3-33. Replacing the ADF pickup-roller assembly (2 of 9) ........................................64
Figure 3-34. Replacing the ADF pickup-roller assembly (3 of 9) ........................................64
Figure 3-35. Replacing the ADF pickup-roller assembly (4 of 9) ........................................64
Figure 3-36. Replacing the ADF pickup-roller assembly (5 of 9) ........................................64
Figure 3-37. Replacing the ADF pickup-roller assembly (6 of 9) ........................................65
Figure 3-38. Replacing the ADF pickup-roller assembly (7 of 9) ........................................65
Figure 3-39. Replacing the ADF pickup-roller assembly (8 of 9) ........................................65
Figure 3-40. Replacing the ADF pickup-roller assembly (9 of 9) ........................................65
Figure 3-41. Remove the separation pad.............................................................................66
Figure 3-42. Replacing the control-panel bezel (1 of 4).......................................................66
Figure 3-43. Replacing the control-panel bezel (2 of 4).......................................................67
Figure 3-44. Replacing the control-panel bezel (3 of 4).......................................................67
Figure 3-45. Replacing the control-panel bezel (4 of 4).......................................................67
Figure 4-1. Product configuration ......................................................................................70
Figure 4-2. HP LaserJet 3015, 3020, and 3030 printer (product base) timing
diagram .........................................................................................................74
Figure 4-3. Printer functional block diagram.......................................................................78
Figure 4-4. Laser/scanner operation..................................................................................80
Figure 4-5. High-voltage power supply circuit....................................................................82
Figure 4-6. Image-formation block diagram ......................................................................83
Figure 4-7. Printer paper path ...........................................................................................85
Figure 4-8. Basic operation block diagram.........................................................................87
Figure 4-9. HP LaserJet 3015 optical and feed systems...................................................88
Figure 4-10. HP LaserJet 3015 feed control (1 of 2)............................................................89
Figure 4-11. HP LaserJet 3015 feed control (2 of 2)............................................................90
Figure 4-12. HP LaserJet 3015 optical system (1 of 2)........................................................91
Figure 4-13. HP LaserJet 3015 optical system (2 of 2)........................................................92
Figure 4-14. HP LaserJet 3020 and 3030 optical system ...................................................93
Figure 4-15. HP LaserJet 3020 and 3030 ADF path ...........................................................95
Figure 5-1. HP LaserJet 3015, 3020, and 3030 products................................................104
Figure 5-2. Parts removal order for the HP LaserJet 3015 all-in-one..............................105
Figure 5-3. Parts removal order for the HP LaserJet 3020 and 3030 all-in-one .............105
Figure 5-4. Parts removal order for the printer (product base, all models)......................106
Figure 5-5. Parts removal order HP LaserJet 3015 scanner assembly...........................107
Figure 5-6. Remove the link assemblies and scanner support frame springs (1 of 4) ....108
Figure 5-7. Remove the link assemblies and scanner support frame springs (2 of 4).....108
Figure 5-8. Remove the link assemblies and scanner support frame springs (3 of 4).....109
Figure 5-9. Remove the link assemblies and scanner support frame springs (4 of 4).....109
Figure 5-10. Remove the scanner side covers (1 of 3)......................................................110
Figure 5-11. Remove the scanner side covers (2 of 3)......................................................110
Figure 5-12. Remove the scanner side covers (3 of 3)......................................................111
Figure 5-13. Remove the separation pad...........................................................................112
Figure 5-14. Remove the control-panel bezel (1 of 3)........................................................112
Figure 5-15. Remove the control-panel bezel (2 of 3)........................................................113
Figure 5-16. Remove the control-panel bezel (3 of 3)........................................................113
Figure 5-17. Remove the control-panel assembly (1 of 2).................................................114
Figure 5-18. Remove the control-panel assembly (2 of 2).................................................114
Figure 5-19. Remove the media lever and media lever torsion spring (1 of 2)..................115
Figure 5-20. Remove the media lever and media lever torsion spring (2 of 2)..................115
Figure 5-21. Remove the separation pad assembly (1 of 3)..............................................116
Figure 5-22. Remove the separation pad assembly (2 of 3)..............................................117
Figure 5-23. Remove the separation pad assembly (3 of 3)..............................................117
xii ENWW