Contents
9
Figures
Figure
1-1
HP LaserJet 5L model and serial numbers . . . . . . . . . . . . . . . . . . . . . . 15
Figure
1-2
HP LaserJet 6L model and serial numbers . . . . . . . . . . . . . . . . . . . . . . 16
Figure
1-3
HP LaserJet 6L Pro model and serial numbers . . . . . . . . . . . . . . . . . . . 17
Figure
1-4
Front/side views of the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure
1-5
Front door assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure
1-6
Back view of the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure
2-1
Printer space requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure
2-2
Toner cartridge distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure
3-1
Self-test page for HP LaserJet 5L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure
3-2
Self-test page for HP LaserJet 6L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure
3-3
Self-test page for HP LaserJet 6L Pro. . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure
3-4
Engine test button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure
4-1
Five percent text coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure
4-2
Static Eliminator Teeth (located in front of the transfer roller) . . . . . . . . 52
Figure
5-1
Printer functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure
5-2
DC Controller loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure
5-3
EconoMode vs. Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure
5-4
Image formation block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure
5-5
Simplified paper path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure
5-6
Solenoid and sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure
5-7
General timing diagram - HP LaserJet 5L . . . . . . . . . . . . . . . . . . . . . . . 67
Figure
5-8
General timing diagram - HP LaserJet 6L and HP LaserJet 6L ProSL . 68
Figure
6-1
Phillips and PosiDriv screwdrivers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure
6-2
Back Cover removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure
6-3
Back Cover removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure
6-4
EP Door Assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure
6-5
Memory Door removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure
6-6
Main Cover and Paper Input Assembly removal . . . . . . . . . . . . . . . . . . 77
Figure
6-7
Control Panel removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Figure
6-8
Exit Roller removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure
6-9
Delivery Assembly removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure
6-10
Delivery Assembly removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure
6-11
Fuser Pressure Plate removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure
6-12
Fuser Pressure Plate replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure
6-13
Heating Element removal (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure
6-14
Heating Element removal (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Figure
6-15
Heating Element removal (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure
6-16
Pressure Roller Guide removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure
6-17
Face-Up/Face-Down Lever replacement. . . . . . . . . . . . . . . . . . . . . . . . 88
Figure
6-18
Fuser Exit Roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure
6-19
Paper Exit Sensor Flag replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure
6-20
Laser/Scanner Assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure
6-21
Solenoid removal (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Figure
6-22
Solenoid removal (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure
6-23
Pickup Roller Assembly removal (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . 94
Figure
6-24
Pickup Roller Assembly removal (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . 95
Figure
6-25
Paper Pickup Roller Assembly replacement (inside/front view) . . . . . . 96
Figure
6-26
Paper Feed Frame removal (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure
6-27
Paper Feed Frame removal (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Figure
6-28
Paper Feed Frame removal (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Figure
6-29
Paper Feed Frame removal (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure
6-30
Transfer Roller Guide and Transfer Roller removal (inside/back view) 101