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hp laserjet 4, 4+, 5

 


Parts Catalog
Applies to HP LaserJet 4, 4M, 4+, 4M+ (EX), & 5, 5M, 5N (EXII)
& other EX & EXII printers

 

 

Contents Back 2 Back 1 [Search for HP Printers & Parts] Forward 1 Forward 2 Ordering Info & Policies
Check the Most Wanted Parts list for this EX or EXII printer series, too!
Quick Scroll:

Printers | Supplies and Accessories | Parts Identification Diagrams | Envelope Feeders | Optional 500 Sheet Paper Feeders | Duplex Feeder

 

If you do not know the name of the parts assembly (or diagram) you want, try the Assembly Location Diagrams.

   HELP!  
 

   The first printer on the market to use the Canon EX engine was the Hewlett-Packard LaserJet 4 (and 4M), which was introduced in or around November of 1992. The first Canon brand printer to use the EX engine was the LBP-860. These were both 8 ppm, 600 dpi printers, and they replaced the SX-based HP LaserJet III and the Canon LBP-8 Mark III.

   In late 1994, the EX engine speed was increased to 12 ppm. We call the first generation of 12 ppm printer EX+, as it includes the HP LaserJet 4+ and 4M+, as well as other first generation 12 ppm printers like the Canon LBP-1260 Plus. A second generation of 12 ppm printers followed, and we call this one the EX-II. This group includes the HP LaserJet 5 and other second generation 12 ppm printers (in the US market the only EX-II printers may be the LaserJet 5, LaserJet 5N, and LaserJet 5M). Another nice feature that was added to all these EX+ and EX-II printers is optional duplexing (automatic double-sided printing).

   The main pick-up roller is different in each EX version (EX, EX+, and EX-II). The EX+ and EX-II use the same 12 ppm fuser.

   The beauty of the EX engine is that it packs everything that most people want into a fairly small and affordable package. At 12 ppm, the later EX-II versions are well-suited for most moderate volume business applications, yet the footprint is small enough to be popular with small office and home office users. This family of printers has proven to be the perfect printer for most people. In 1997 the EX toner cartridge was the biggest seller for HP and Canon, demonstrating the EX installed base to have been either the biggest or the most active of any laser printer type at the time. (Read more on EX history)


CATALOG CONTENTS
select text-only version

Diagram Description
   
LOC ASSEMBLY LOCATION DIAGRAM

PRINTERS
LP EX Printer Models Table
      LaserJet 4 / 4 Plus Data Sheet
      LaserJet 5 / 5M / 5N Data Sheet
  Refurbished HP Printers

SUPPLIES AND ACCESSORIES
ACC Supplies and Accessories, including Simms, Maintenance Kits, Roller Kits
      Maintenance Kit for all EX Printers (HP LaserJet 4, 4+, 5)
      Roller Kit for EX, HP LaserJet 4
      Roller Kit for EX II, HP LaserJet 4+
      Roller Kit for EX II, HP LaserJet 5 / 5M / 5N
      OEM Toner Cartridge

PARTS IDENTIFICATION DIAGRAMS AND TABLES
100 External Covers, Panels, Etc. (Various Canon EX)
100A External Covers, Panels, Etc. (HP LJ 4 / 4+ / 5)
100B External Covers, Panels, Etc. (Apple LaserWriter Pro 600/630
101 Top Cover Assembly (Various Canon EX)
101A Top Cover Assembly (HP LJ 4 / 4 Plus)
101B Top Cover Assembly (HP LJ 5)
101C Top Cover Assembly (Apple LaserWriter Pro 600/630
102 Internal Components 1
103 Internal Components 2
104 Internal Components 3 (EX)
104A Internal Components 3 (EX-PCB)
104B Internal Components 3 (Canon LBP-860)
104C Internal Components 3 (Canon LBP-1260Plus)
104D Internal Components 3 (HP LJ 4 / 4 Plus / 5)
104E Internal Components 3 (Apple LaserWriter Pro 600/630)
105 Internal Components 4
110 Main Switch Assembly
260 Drive Assembly
265 Pick-Up Drive Assembly (1 and 2)
300 Paper Cassette Assemblies (250 Sheet)
310 Paper Pick-Up (Feed) Assembly (1 / 2) and (2 / 2)
320 Transfer Guide Assembly
340 Multi-Purpose (MP) Tray Assembly
370 Paper Delivery (Output) Assembly
371 Delivery Sensor Assembly
400 Laser / Scanner Assembly
810 Fixing (Fuser) Assembly (EX, LJ 4, 860 Version)
810A Fixing (Fuser) Assembly (EX-II, LJ 4 Plus / 5, 1260 Version)
930 DC Controller PCB Assemblies
950 Controller (Formatter) PCBA Assemblies

ENVELOPE FEEDERS
F10 External Covers, Panels, Etc.
F11 Internal Components (1 / 2) and (2 / 2)

OPTIONAL PAPER FEEDERS WITH 500 SHEET CASSETTE
R10 Paper Feeder Main Body
R11 Paper Feeder Drive Assembly

DUPLEX FEEDER
D10 External Covers
D11 Duplex Feeder Internal Components
D12 Duplex Feeder Switchback Assembly
 

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