2000 HP LaserJet 3100 / 3150 Service Manual (270 P.)
Technician-level documentation for HP LaserJet 3100/3150 multifunction devices with print engine diagnostics, image formation analysis, and paper feed troubleshooting. PN C4256-90954
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Models Covered & Key Technical Specifications
HP LaserJet 3100/3150 (C4256-90954) — 2000 Systematic Expert Precision Library | LaserJet Series Resource Volume.
- Documented Power Framework: 600 dpi is calibrated to the maximum addressable print output Mapping.
- Technical Operating Temps: For production workflows, 6 ppm governs the engine throughput Configuration.
- Universal Cycle Rate: 14,400 bps — is specified as the modem transmission speed Benchmarks.
- Core Package Size: The formatter requires 2 MB for standard operation Range.
- Rated Moment Values: Active copy mode provides 135 watts continuous consumption Sequences.
- Principal Current Rating: Standby power mode is rated at 9 watts Baseline.
Professional Workshop Service Manual & Technical Specifications
Certified Service Manual: Printer 2000 HP LaserJet 3100 / 3150 Service Manual (277 P.) Service-Portfolio
Unit-Designations: HP LaserJet 3100/3150 Series (C4256-90954) // Engineering-Metrics: 600 dpi / 6 ppm Electrophotographic Logic // Model-Designation: 270-page technical reference spanning printer and document scanner subsystems.
| Specification | Documentation Scope | Coverage Details |
|---|---|---|
| Document Overview | Service manual | Complete specifications provided |
| System Categories | Printer and scanner assemblies | Documented across 7 chapters |
| Component Listing | Electromechanical systems | See Chapter 5 removal procedures |
Major sections focus on product information, installation procedures, maintenance protocols, functional overview analysis, removal and replacement procedures, troubleshooting methodologies, and parts diagrams with corresponding assemblies.
Practical technical notes are provided for engine controller unit (ECU) power system architecture, formatter board communications, image formation electrophotographic processes, paper feed mechanical systems, document scanner optical assemblies, and high-voltage power supply circuits. The manual provides comprehensive coverage of laser/scanner assemblies, contact image sensor configurations, motor control sequences, solenoid actuation timing, and photosensor detection schemes. Adjustment procedures are detailed for transfer roller maintenance, separation pad replacement cycles, heating element service intervals, pressure roller inspection criteria, and pickup roller refurbishment.
Quality checks are addressed for print density calibration, registration accuracy verification, drum rotation diagnostics, fuser temperature monitoring, and scanner recalibration procedures. The document includes wiring diagrams for main circuit paths, connector pinout references for formatter-to-ECU interfaces, sensor location illustrations, timing sequence charts, and voltage distribution schematics. Technical data documents torque specifications for the mechanical fastener assemblies to ensure proper component alignment retention.
Chapter 7 contains alphabetical and numerical parts listings with exploded assembly diagrams, field replaceable unit (FRU) identification codes, and consumable life expectancy tables spanning toner cartridges, transfer rollers, separation pads, pickup roller assemblies, heating elements, and pressure roller components.
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