HP 4 Plus Manual
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8 Parts and Diagrams How To Use the Parts Lists The figures in this chapter illustrate the major subassemblies and component parts of the HP LaserJet 4/4M, LaserJet 4 Plus/ 4M Plus, and LaserJet 5/5M/5N printers. When ordering an electrical part, pay special attention that the part chosen has the correct voltage rating for the machine under repair. Part numbers with no indicator in the Notes column are stocked and can be ordered through Hewlett-Packard’s Support Materials Organization (SMO). Parts marked with an S in the Notes column are special order parts which can be ordered through SMO but may have an eight-week lead time. An alphanumeric index referencing all part numbers is included at the end of this chapter (see Parts List, page 8-40). Note Not all parts are orderable. The parts listed are the only orderable parts. Parts that have no reference designator or part number are not field-replaceable and cannot be ordered through SMO. Figures referred to in the tables are placed before the table throughout the chapter. Accessory Parts are listed on 8-33. This list includes such items as the MIO and SIMM cards. Parts and Diagrams 8-1
Parts Lists and Illustrations Figure 8-1a Field-Replaceable Assemblies (1 of 2) 8-2 Parts and Diagrams
Figure 8-1b Field-Replaceable Assemblies ( 2 of 2) Parts and Diagrams 8-3
Part # Ref Exchng #DescriptionFig. # RG5-0454-000CN RG5-0879-130CN 1 C2001-69003 C2037-69001 Fusing Ass’y (100/110V) LaserJet 4 LaserJet 4 Plus/5 8-10 RG5-0455-000CN RG5-0880-130CN 1 C2001-69004 C2037-69002 Fusing Ass’y (220/240V) LaserJet 4 LaserJet 4 Plus/5 8-10 RH7-1151-000CN RH7-1169-000CN 2Main Motor LaserJet 4 LaserJet 4 Plus/5 8-4b RG5-0451-000CN RG5-0877-000CN RG5-2195-000CN 3 C2001-69005 C2037-69003 C3916-69005 Paper Feed Assembly LaserJet 4 LaserJet 4 Plus LaserJet 5 8-6 RB1-2119-000CN RB1-7907-000CN 4Main Switch Assy LJ 4 & 4+ LJ 5 8-5 RG5-0478-000CN RG5-1076-000CN RG5-2238-000CN 5 C2001-69010 C2037-69005 Display Ass’y w/o overlay LaserJet 4 LaserJet 4 Plus LaserJet 5 8-3 RG5-0512-000CN 6 Paper Control PCA8-6a RG5-0514-000CN 7 Sensor PCA8-6b RG5-0469-000CN 8 Transfer Guide Assembly 8-1a RG5-0475-060CN 9 Paper Output Sensor Ass’y 8-9 RG5-0456-000CN RG5-0886-000C RG5-2189-000CN 10 Paper Output Assembly LaserJet 4 LaserJet 4 Plus LaserJet 5 8-8 RG5-0511-000CN RG5-0966-030CN 11 C2001-69002 C2037-69004 DC Controller PCA LaserJet 4 LaserJet 4 Plus/5 8-1b RG5-0472-000CN RG5-0888-000CN RG5-2199-000CN 12 MP Tray (Tray 1) LaserJet 4 LaserJet 4 Plus LaserJet 5 8-7 Table 8-1Field-Replaceable Assemblies 8-4 Parts and Diagrams
Part # Ref Exchng #DescriptionFig. # C2085B C2085E C3925A 13 PC Tray (Tray 2) (ltr) LaserJet 4 LaserJet 4 Plus LaserJet 5 8-14 C2085C C2085F C3926A 13 PC Tray (Tray 2) (A4) LaserJet 4 LaserJet 4 Plus LaserJet 5 8-14 RG5-0531-000CN RG6-2499-000CN 14 C2001-69007 C2037-69006 Power Supply (100/120V) LaserJet 4 LaserJet 4 Plus/5 8-1a RG5-0553-000CN RG5-2500-000CN 14 C2001-69008 C2037-69007 Power Supply (220/240V) LaserJet 4 LaserJet 4 Plus/5 8-1a RG5-0449-000CN RG5-0903-070CN 15 C2001-69006 C2037-69008 Laser/Scanner Ass ’y LaserJet 4 LaserJet 4 Plus/5 8-1b C2002-67901 C2038-60004 C3919-67901 16 C2002-69001 C2038-69004 C3919-69001 Formatter PCA LaserJet 4 LaserJet 4 Plus LaserJet 5 8-1b RG5-0513-000CN RG5-0969-040CN 17 C2001-69009 C2037-69009 High Voltage Power Supply LaserJet 4 LaserJet 4 Plus/5 8-1a Table 8-1Field-Replaceable Assemblies (continued) Parts and Diagrams 8-5
Figure 8-2 Covers and Panels 8-6 Parts and Diagrams
Ref Part # NotesDescription 1 RB1-2143-000CN RB1-3558-000CN RB1-7885-000CN LJ4 LJ4+ LJ5 MP Tray Extender 2 RB1-2346-000CN RB1-3470-000CN RF5-1644-000CN LJ4 LJ4+ LJ5 Right Cover 3 RB1-2347-000CN RB1-3471-000CN RB1-7881-000CN LJ4 LJ4+ LJ5 Left Cover 4 RF5-0533-000CN RF5-0733-000CN RF5-1645-000CN LJ4 LJ4+ LJ5 Rear Door Assembly 4A RB1-2354-000CN Rear Door Support Strap 4B RB1-2335-000CN RB1-7890-000CN LJ4/4+ LJ5 Rear Door Latch 4C RS5-2219-000CN RS5-2571-000CN LJ4/4+ LJ5 Rear Door Spring 5 RB1-2351-000CN RB1-3559-000CN RB1-7886-000CN LJ4 LJ4+ LJ5 MP Door 6 RG5-0459-000CN RB1-7889-000CN LJ4/4+ LJ5 Font Door Cover Right Front Cover 7 RS5-8205-000CN LJ4 Label 110/115V 7 RS5-8916-000CN LJ4 Label 220/240V 8 RB1-3475-000CN LJ4+ Rear Door Retainer Table 8-2Covers and Panels Parts and Diagrams 8-7
Figure 8-3a Top Cover Assembly for LaserJet 4/4+ 8-8 Parts and Diagrams
Ref Part # NotesDescription 1 RB1-2330-000CN S Spring, Leaf 3 RG5-0458-000CN RG5-0872-000CN LJ4 LJ4+ Upper Cover Assembly 3A RB1-2322-000CN RB1-3474-000CN LJ4 LJ4+ Top Cover Door 3B RB1-2323-000CN Hinge, Bracket 3C RB1-2324-000CN 2 ea. Hinge, Pin 3D RB1-2329-000CN RB1-3473-000CN LJ4 LJ4+ Hinge, Arm 3E RB1-2364-000CN Hinge, Bracket 3F RF5-0360-000CN RF5-0732-000CN LJ4 LJ4+ Cover, Upper 3G RB1-2314-000CN 2 ea. Stop, Hinge 4 RG5-0533-000CN C2001-69010 RG5-1077-000CN C2037-69005 LJ4 Exchange LJ4+ ExchangeDisplay Ass’ y (English) 4A RB1-2359-000CN RB1-3476-000CN LJ4 LJ4+ Overlay (English) Exchange Part Numbers Overlays 4A C2001-40001 C2001-40002 C2001-40003 C2001-40004 C2001-40005 C2001-40006 C2001-40007 C2001-40008 C2001-40009 C2001-40010 C2001-40011 C2001-40012 C2001-40013 C2037-40014 LJ4 English French German Italian Spanish Norwegian Swedish Danish Finnish Dutch Po l i s h Tu r k i s h Portugese European English Table 8-3aTop Cover Assembly Parts and Diagrams 8-9
Ref Part # NotesDescription 4A C2037-40001 C2037-40002 C2037-40003 C2037-40004 C2037-40005 C2037-40006 C2037-40007 C2037-40008 C2037-40009 C2037-40010 C2037-40011 C2037-40012 C2037-40013 C2037-40014 LJ4+ English Fre n ch German Italian Spanish Norwegian Swedish Danish Finnish Dutch Po l i s h Tu r k i s h Portugese European English 5 RG5-0478-000CN RG5-1076-000CN LJ4 LJ4+ Display Ass’ y (W/O overlay) 6 RB1-2260-000CN Brush, cleaning 7 RG5-0519-000CN RG5-0982-000CN LJ4 LJ4+ Cable, Display Panel 8 XA9-0591-000CN Screw with Washer (M3 x 8) 8-10 Parts and Diagrams