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hp laserjet 4v and hp laserjet 4mv


hp laserjet 4v and hp laserjet 4mv
Parts Catalog
Applies to HP LaserJet 4V & 4MV,
& other BX & BXII 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 printer series, too!
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Printers | Supplies and Accessories | Parts Identification Diagrams | Optional 500 Sheet Paper Feeders


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


   The BX engine was formally announced at the Seybold Desktop Publishing Exposition in September of 1992 by Canon U.S.A. Canon's announcement was somewhat late, as QMS had already introduced the BX-based 860 in July of 1992. Canon touted the true 600 dpi engine and ultra-fine toner, which produced excellent print quality.

To people familiar with the Canon family of engines, the BX seemed like a LX engine on steroids. The overall design and paper path are very similar, but every part of the BX engine is much bigger and faster than the LX. The LX was famous for being light and compact. By following the general design scheme of the LX engine, Canon was able to produce a B-size printer that is surprising lightweight and easy to carry by one person. Introduction at the Seybold show was very appropriate. Graphic artists had been asking for a low-cost, tabloid-sized printer with excellent print quality for years. Canon and the other laser printer engine creators had been reluctant to support their demands because they saw it as relatively small niche market.

Before the BX, most all of the B-size capable laser printers were large high-speed printers based on copier designs. These big machines were priced at about $10,000 or more, and they didn't have the fine print quality graphic artists needed for plain-paper typesetting. (Read more on BX history)

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Diagram Description

LP BX Printer Models Table
      HP LaserJet 4V, 4MV Data Sheet
  Refurbished HP Printers

ACC Supplies and Accessories, including SIMMs, Maintenance Kits, Roller Kits
      Maintenance Kit for BXII, HP LaserJet 4V / 4MV
      Roller Kit for BX II, HP LaserJet 4V / 4MV
      OEM Toner Cartridge

100 External Covers, Panels (BX)
100A External Covers, Panels (BX II, HP LaserJet 4V / 4MV)
101 Front Cover Assembly
102 Upper Cover Assembly
102A Upper Cover Assembly (BX-PCB, BX II-PCB)
103 Internal Cover Assembly
104 Internal Components 1 (BX)
104A Internal Components 1 (BX II, HP LaserJet 4V / 4MV)
105 Internal Components 2 (BX)
105A Internal Components 2 (BX II, HP LaserJet 4V / 4MV)
106 Internal Components 3 (BX)
106A Internal Components 3 (BX II, HP LaserJet 4V / 4MV)
107 Internal Components 4
107A Internal Components 4 (BX II, HP LaserJet 4V / 4MV)
240 Drive Assembly
300 Paper Cassette (Tray) Assemblies (250 Sheet)
340 Multi-Purpose (MP) Tray Pick-Up Roller Assembly
351 Gear Mounting Assembly
810 Fuser (Fixing) Assembly
910 Power Supply Assembly
930 DC Controller PCB Assemblies
931 Video (Formatter) Interface PCB Assemblies
970 Enclosure, Video Controller (Formatter) Assembly
970A Card Cage Assembly

F10 Paper Feeder Main Body and PCB Assemblies
F11 Cassette Supporter Assembly
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