List of Figures

Figure 1-1

HP LaserJet 5L Model and Serial Numbers . . . . . . . . . . . .

1-4

Figure 1-2

HP LaserJet 6L Model and Serial Numbers . . . . . . . . . . . .

. 1-5

Figure 1-3

Front/Side Views of the Printer . . . . . . . . . . . . . . . . . .

1-7

Figure 1-4

Front Door Assemblies . . . . . . . . . . . . . . . . . . . . . .

1-8

Figure 1-5

Back View of the Printer . . . . . . . . . . . . . . . . . . . . . .

1-9

Figure 2-1

Printer Space Requirements . . . . . . . . . . . . . . . . . . . .

2-4

Figure 2-2

Toner Cartridge Distribution . . . . . . . . . . . . . . . . . . . .

2-6

Figure 3-1

Self-test Page for HP LaserJet 5L . . . . . . . . . . . . . . . . .

3-7

Figure 3-2

Self-test Page for HP LaserJet 6L . . . . . . . . . . . . . . . . .

3-8

Figure 3-3

Engine Test Button . . . . . . . . . . . . . . . . . . . . . . . .

3-10

Figure 4-1

Five Percent Text Coverage . . . . . . . . . . . . . . . . . . . .

4-4

Figure 4-2

Static Eliminator Teeth . . . . . . . . . . . . . . . . . . . . . .

4-8

Figure 5-1

Printer Functional Block Diagram . . . . . . . . . . . . . . . . .

5-3

Figure 5-2

DC Controller Loads . . . . . . . . . . . . . . . . . . . . . . . .

5-4

Figure 5-3

EconoMode vs Normal Mode . . . . . . . . . . . . . . . . . .

5-10

Figure 5-4

Image Formation Block Diagram . . . . . . . . . . . . . . . .

5-12

Figure 5-5

Simplified Paper Path . . . . . . . . . . . . . . . . . . . . . .

5-16

Figure 5-6

Solenoid and Sensors . . . . . . . . . . . . . . . . . . . . . .

5-17

Figure 5-7

General Timing Diagram – HP LaserJet 5L . . . . . . . . . . .

5-20

Figure 5-8

General Timing Diagram – HP LaserJet 6L . . . . . . . . . . .

5-21

Figure 6-1

Phillips and Posidriv screwdrivers . . . . . . . . . . . . . . . . .

6-4

Figure 6-2

Back Cover Removal (1 of 2) . . . . . . . . . . . . . . . . . . .

6-6

Figure 6-3

Back Cover Removal (2 of 2) . . . . . . . . . . . . . . . . . . .

6-7

Figure 6-4

EP Door Assembly Removal . . . . . . . . . . . . . . . . . . .

6-8

Figure 6-5

Memory Door Removal . . . . . . . . . . . . . . . . . . . . . .

6-9

Figure 6-6

Main Cover and Paper Input Assembly Removal . . . . . . . .

6-10

Figure 6-7

Control Panel Removal . . . . . . . . . . . . . . . . . . . . .

6-11

Figure 6-8

Exit Roller Removal . . . . . . . . . . . . . . . . . . . . . . .

6-12

Figure 6-9

Delivery Assembly Removal (1 of 2) . . . . . . . . . . . . . .

6-13

Figure 6-10

Delivery Assembly Removal (2 of 2) . . . . . . . . . . . . . .

6-14

Figure 6-11

Fuser Pressure Plate Removal . . . . . . . . . . . . . . . . . .

6-15

Figure 6-12

Fuser Pressure Plate Replacement . . . . . . . . . . . . . . . .

6-16

Figure 6-13

Heating Element Removal (1 of 3) . . . . . . . . . . . . . . .

6-17

Figure 6-14

Heating Element Removal (2 of 3) . . . . . . . . . . . . . . .

6-18

Figure 6-15

Heating Element Removal (3 of 3) . . . . . . . . . . . . . . .

6-19

Figure 6-16

Pressure Roller Removal . . . . . . . . . . . . . . . . . . . . .

6-20

Figure 6-17

Face-Up/Face-Down Lever Replacement . . . . . . . . . . . .

6-21

Figure 6-18

Fuser Exit Roller Removal . . . . . . . . . . . . . . . . . . .

6-22

Figure 6-19

Paper Exit Sensor Flag Replacement . . . . . . . . . . . . . .

6-23

Figure 6-20

Laser/Scanner Assembly Removal . . . . . . . . . . . . . . .

6-24

Figure 6-21

Solenoid Removal (1 of 2) . . . . . . . . . . . . . . . . . . . .

6-25

Figure 6-22

Solenoid Removal (2 of 2) . . . . . . . . . . . . . . . . . . . .

6-26

Figure 6-23

Pickup Roller Assembly Removal (1 of 2) . . . . . . . . . . .

6-27

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