HP LaserJet 4v/mv Service Manual - Page 5

List of Figures Figure 1-1 Sample Model and Serial Number Labels 1-5 Figure 1-2 Front and Rear Side View 1-11 Figure 1-3 Rear and Left Side View 1-12 Figure 1-4 Front View with Front Cover Open 1-13 Figure 1-5 Internal Assembly Locations (1 of 2 1-14 Figure 1-6 Internal Assembly Locations (2 of 2 1-15 Figure 1-7 Sample 5% Page Coverage 1-17 Figure 2-1 Printer Space Requirements 2-4 Figure 3-1 Control Panel Layout 3-3 Figure 3-2 Service Mode Menus 3-16 Figure 3-3 Self Test Printout (printed in Service Mode 3-21 Figure 3-4 Engine Test 3-22 Figure 5-1 Printer Functional Block Diagram 5-3 Figure 5-2 Power Supply/Power Distribution 5-4 Figure 5-3 Formatter PCA Block Diagram 5-10 Figure 5-4 EconoMode vs Normal Mode 5-12 Figure 5-5 Image Formation Block Diagram 5-17 Figure 5-6 Photosensitive Drum 5-18 Figure 5-7 Drum Cleaning 5-19 Figure 5-8 Primary Charging Roller 5-20 Figure 5-9 Image Writing 5-21 Figure 5-10 Image Development 5-22 Figure 5-11 Image Transferring 5-23 Figure 5-12 Image Fusing 5-24 Figure 5-13 Paper Path 5-25 Figure 5-14 Clutches and Sensors 5-26 Figure 5-15 General Timing Diagram 5-29 Figure 6-1 Phillips vs. Posidriv Screwdrivers 6-4 Figure 6-2 Removing the Control Panel 6-8 Figure 6-3 Upper Cover 6-9 Figure 6-4 Static Charge Eliminator 6-10 Figure 6-5 Removing Side Covers 6-11 Figure 6-6 Removing Rear Cover 6-12 Figure 6-7 Exhaust Fan 6-13 Figure 6-8 High Voltage Power Supply PCA 6-14 Figure 6-9 Cassette Size Sensor Assembly 6-15 Figure 6-10 Card Cage 6-16 Figure 6-11 Rear Exhaust Fan 6-17 Figure 6-12 Power Supply Unit 6-18 Figure 6-13 DC Controller PCA 6-19 Figure 6-14 Laser/Scanner Assembly 6-20 Figure 6-15 Main Motor 6-21 Figure 6-16 Main Drive Assembly Removal (1 of 2 6-22 iii