HP — HP LaserJet 4V and 4MV Printer Service Guide, C3141 90929 English

Figure 6-17 Main Drive Assembly Removal (2 of 2) . . . . . . . . . . . 6-23 Figure 6-18 Drum Drive Assembly . . . . . . . . . . . . . . . . . . . . 6-24 Figure 6-19 Transfer Roller Assembly . . . . . . . . . . . . . . . . . . 6-25 Figure 6-20 Fusing Assembly . . . . . . . . . . . . . . . . . . . . . . . 6-26 Figure 6-21 Fuser Inlet Guide . . . . . . . . . . . . . . . . . . . . . . . 6-27 Figure 6-22 Paper Guide Plate Assembly . . . . . . . . . . . . . . . . . 6-28 Figure 6-23 MP Guide Plate . . . . . . . . . . . . . . . . . . . . . . . . 6-29 Figure 6-24 MP Drive Gears . . . . . . . . . . . . . . . . . . . . . . . 6-30 Figure 6-25 Fuser Door . . . . . . . . . . . . . . . . . . . . . . . . .

. 6-31 Figure 6-26 MP Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32 Figure 6-27 Front Door Assembly . . . . . . . . . . . . . . . . . . . . . 6-33 Figure 6-28 Upper and Lower Delivery Roller Assemblies . . . . . . . 6-34 Figure 6-29 Delivery Gear Assembly . . . . . . . . . . . . . . . . . . . 6-35 Figure 6-30 Cartridge Guide . . . . . . . . . . . . . . . . . . . . . . . 6-36 Figure 6-31 Cassette Pickup Roller Assembly . . . . . . . . . . . . . . 6-37 Figure 6-32 Separation Pad . . . . . . . . . . . . . . . . . . . . . . . . 6-38 Figure 6-33 Registration Roller (1 of 2) . . . . . . . . . . . . . . . . . . 6-39 Figure 6-34 Registration Roller (2 of 2) . . . . . . . . . . . .

. . . . . . 6-40 Figure 6-35 Registration Roller Guide Plate . . . . . . . . . . . . . . . 6-41 Figure 6-36 Anti-Static Brush . . . . . . . . . . . . . . . . . . . . . . . 6-42 Figure 6-37 Paper Guide . . . . . . . . . . . . . . . . . . . . . . . . . 6-43 Figure 6-38 Left Side Foot . . . . . . . . . . . . . . . . . . . . . . . . . 6-44 Figure 7-1 Paper Path and Components . . . . . . . . . . . . . . . . 7-4 Figure 7-2 Engine Test Button and Printout . . . . . . . . . . . . . . 7-31 Figure 7-3 Repetitive Image Defect Ruler . . . . . . . . . . . . . . . . 7-36 Figure 7-4 DC Controller Inputs . . . . . . . . . . . . . . . . . . . . . 7-38 Figure 7-5 DC Controller Outputs (1 of 2) . . . . . . .

. . . . . . . . . 7-39 Figure 7-6 DC Controller Outputs (2 of 2) . . . . . . . . . . . . . . . . 7-40 Figure 7-7 Main Wiring Diagram . . . . . . . . . . . . . . . . . . . . 7-41 Figure 8-1 Major Assembly Locations . . . . . . . . . . . . . . . . . . 8-9 Figure 8-2 Covers and Doors . . . . . . . . . . . . . . . . . . . . . . . 8-10 Figure 8-3 Foot Assemblies . . . . . . . . . . . . . . . . . . . . . . . 8-12 Figure 8-4 Front Door Components (Page 1 of 2) . . . . . . . . . . . . 8-14 Figure 8-5 Front Door Components (Page 2 of 2) . . . . . . . . . . . . 8-16 Figure 8-6 Output Components . . . . . . . . . . . . . . . . . . . . . 8-18 Figure 8-7 Internal Components (Page 1 of 4) . . . . . . . .

. . . . . 8-20 Figure 8-8 Internal Components (Page 2 of 4) . . . . . . . . . . . . . 8-22 Figure 8-9 Internal Components (Page 3 of 4) . . . . . . . . . . . . . 8-24 Figure 8-10 Internal Components (Page 4 of 4) . . . . . . . . . . . . . 8-26 Figure 8-11 Card Cage Assembly . . . . . . . . . . . . . . . . . . . . . 8-28 Figure B-2 Connecting to the END of a LocalTalk Network . . . . . . B-2 Figure B-3 Connecting to the MIDDLE of a LocalTalk Network (1 of 2) B-3 Figure B-4 Connecting to the MIDDLE of a LocalTalk Network (2 of 2) B-3 Figure B-5 I/O Connector Locations . . . . . . . . . . . . . . . . . . . B-4 Figure C-1 VCCI Statement (Japan) . . . . . . . . . . . . . . . . . . . C-4 iv