HP Laserjet 4 Manual

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...

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 # Description Fig. #
RG5-0454-000CN
RG5-0879-130CN1 C2001-69003
C2037-69001Fusing Ass’y (100/110V)
LaserJet 4  
LaserJet 4 Plus/58-10
RG5-0455-000CN
RG5-0880-130CN1 C2001-69004
C2037-69002Fusing Ass’y (220/240V)
LaserJet 4
LaserJet 4 Plus/58-10
RH7-1151-000CN
RH7-1169-000CN2Main Motor
LaserJet 4
LaserJet 4 Plus/58-4b
RG5-0451-000CN
RG5-0877-000CN
RG5-2195-000CN3 C2001-69005
C2037-69003
C3916-69005Paper Feed Assembly
LaserJet 4
LaserJet 4 Plus
LaserJet 58-6
RB1-2119-000CN...

Part # Ref Exchng # Description Fig. #
C2085B
C2085E
C3925A13PC Tray (Tray 2) (ltr)
LaserJet 4
LaserJet 4 Plus
LaserJet 58-14
C2085C
C2085F
C3926A13PC Tray (Tray 2) (A4)
LaserJet 4
LaserJet 4 Plus
LaserJet 58-14
RG5-0531-000CN
RG6-2499-000CN14 C2001-69007
C2037-69006Power Supply (100/120V)
LaserJet 4
LaserJet 4 Plus/58-1a
RG5-0553-000CN
RG5-2500-000CN14 C2001-69008
C2037-69007Power Supply (220/240V)
LaserJet 4
LaserJet 4 Plus/58-1a
RG5-0449-000CN
RG5-0903-070CN15 C2001-69006
C2037-69008Laser/Scanner...

Figure 8-2 Covers and Panels
8-6 Parts and Diagrams 

Ref Part # Notes Description 
1 RB1-2143-000CN
RB1-3558-000CN
RB1-7885-000CNLJ4
LJ4+
LJ5MP Tray Extender
2 RB1-2346-000CN
RB1-3470-000CN
RF5-1644-000CNLJ4
LJ4+
LJ5Right Cover
3 RB1-2347-000CN
RB1-3471-000CN
RB1-7881-000CNLJ4
LJ4+
LJ5Left Cover
4 RF5-0533-000CN
RF5-0733-000CN
RF5-1645-000CNLJ4
LJ4+
LJ5Rear Door Assembly
4A RB1-2354-000CN Rear Door Support Strap
4B RB1-2335-000CN
RB1-7890-000CNLJ4/4+
LJ5Rear Door Latch
4C RS5-2219-000CN
RS5-2571-000CNLJ4/4+
LJ5Rear Door Spring
5 RB1-2351-000CN...

Figure 8-3a Top Cover Assembly for LaserJet  4/4+
8-8 Parts and Diagrams 

Ref Part # Notes Description 
1 RB1-2330-000CN S Spring, Leaf
3 RG5-0458-000CN
RG5-0872-000CNLJ4
LJ4+Upper Cover Assembly
3A RB1-2322-000CN
RB1-3474-000CNLJ4
LJ4+Top Cover Door
3B RB1-2323-000CN Hinge, Bracket
3C RB1-2324-000CN 2 ea. Hinge, Pin
3D RB1-2329-000CN
RB1-3473-000CNLJ4
LJ4+Hinge, Arm
3E RB1-2364-000CN Hinge, Bracket
3F RF5-0360-000CN
RF5-0732-000CNLJ4
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...

Ref Part # Notes Description 
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
C2037-40014LJ4+ 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
RG5-1076-000CNLJ4
LJ4+Display Ass’y (W/O overlay)
6 RB1-2260-000CN Brush, cleaning
7 RG5-0519-000CN
RG5-0982-000CNLJ4
LJ4+Cable, Display Panel
8...