1999 HP Color LaserJet Family Quick Reference Service Guide
Covers 4500, 4500N, and 4500DN models with fuser, ITB, and laser scanner troubleshooting plus diagnostic procedures. Ref: 5090-3391
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Hewlett Packard Models Covered & Key Technical Specifications
Models: HP Color LaserJet 4500, HP Color LaserJet 4500 N, HP Color LaserJet 4500 DN
Sub-models / Variants: C4084A, C4089A, C4094A
Build Years: 1999
Technical Data:
- Max monthly page volume: 35,000 pages
- Formatter CPU: 133 MHz RISC processor
- Fusing temperature: 190° C (374° F)
- Transfer kit page life: 100,000 black & white pages or 25,000 color pages
- Fuser kit page life: 100,000 black & white pages or 50,000 color pages
- Toner cartridge yield (Black): 9,000 pages at 5% coverage
- Toner cartridge yield (Color): 6,000 pages at 5% coverage per cartridge
- Standard media weights: 60 to 159 g/m² (16 to 42 lb bond)
Hewlett Packard Manual Features & Content Preview
HP Color LaserJet 4500 Family Quick Reference Service Guide
- Covers the 1999 HP Color LaserJet 4500, 4500 N, and 4500 DN printer family, including configuration and diagnostic details
- Official Hewlett-Packard publication P/N 5090-3391, First edition May 1999
- Contains 56 illustrated control panel error codes, 14 diagnostic test descriptions, and 28 sensor/switch locations
- Downloads to your account within seconds of checkout
- Re-download the file any time, no expiration
- Indexed PDF search covers every chapter and appendix
- Suitable for printing individual sections for shop-floor use
- This 1999 first edition is the primary reference documentation for the initial 4500-series product launch
Diagnostic and Service Scope
The 1999 HP Color LaserJet 4500 service documentation provides a structured overview of diagnostic procedures and maintenance routines required for the 4500, 4500 N, and 4500 DN printer family. Content highlights include troubleshooting logic for alphanumeric control panel status messages, detailed explanations of service-mode diagnostic tests, and identification of key components such as sensors, switches, and paper-path mechanisms.
The guide details specific procedures for performing cold resets, initiating engine diagnostics, and interpreting formatter-level test results. Information is organized to assist service engineers in identifying printer faults, managing toner carousel alignment, and resolving media-handling issues through systematic checks of internal hardware and electrical sensors.
Technical Data Preview
This document provides system-level values essential for printer maintenance and component verification. Fusing assembly thermistor resistance is documented between 310K ohms and 430K ohms at 25° C (77° F). The fuser heating element resistance is specified at 6 +/- 2 ohms. Power distribution includes +24 Vdc for motors and high-voltage PCBs, along with +5 Vdc and +3.3 Vdc for control logic and the formatter PCB. Understanding the factory workshop documentation structure is essential for authorized personnel conducting repairs on this model.
Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.
An official 1999 HP Color LaserJet 4500 series Quick Reference Service Guide documenting diagnostic flowcharts, sensor test patterns, and electrical specifications for the C4084A, C4089A, and C4094A model variants.
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