2003 HP LaserJet 3300MFP Service Manual (294 Pages)
Troubleshooting, ECU diagnostics, and component service for LaserJet 3300MFP series: formatter board, fuser assembly, ADF mechanisms plus high-voltage power checks.
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Models Covered & Key Technical Specifications
HP LaserJet 3300MFP Series (Q2660A, Q2661A, Q2665A) — 2003 Integrated Documentary Toolkit | LaserJet 3300 Series Repository.
- Published Load Capacity: The main input tray is established at 250 sheets (75 g/m² bond) holding capacity for continuous multiple-page operations Matrix.
- Specific Environmental Range: For optimal operation, 15–32.5°C (59–90.5°F) with 10–80% relative humidity yields the environmental working limit Standards.
- Integral RPM Specs: Maximum print speed specifies 15 pages per minute (letter) or 14 ppm (A4) for laser output performance Margin.
- Operational Installation Footprint: The product requires 546.1 mm width × 520.7 mm depth × 496 mm height (21.5 × 20.5 × 19.5 inches) physical dimensions Protocol.
- Fundamental Threaded Fastener Data: Scanner-to-printer mounting is standardized to 4 screws (0515-4331) securing the upper assembly to base chassis Architecture.
- Universal Voltage Specs: Input power maintains 110–127 VAC ±10% at 50–60 Hz or 220–240 VAC ±10% at 50–60 Hz dual-voltage compatibility Norms.
Professional Workshop Service Manual & Technical Specifications
Reference-Grade Technical Diagnostic Manual: HP LaserJet 3300MFP Service Manual (294 Pages) Manual-Nexus
Application-Range: HP LaserJet 3300MFP Series — 2003 // Maintenance-Category: Copier / Multifunction Logic // Application-Range: Electrophotographic service specifications.
| Documentation Section | Coverage Scope | Reference Status |
|---|---|---|
| Product Information & Specifications | Physical dimensions, environmental requirements, electrical ratings | Complete specifications provided |
| Operational Systems Overview | Formatter, scanner, ADF, printer engine, fax subsystem | Documented with functional diagrams |
| Removal & Replacement Procedures | Field-replaceable units, scanner separation, internal assemblies | See Chapters 3-5 for detailed coverage |
Service procedures are grouped by Product Information, which encompasses Operation fundamentals, leads to Maintenance protocols, organizes Operational Overview concepts, addresses Removal and Replacement sequences, and concludes with Troubleshooting methodologies and Parts identification resources.
Removal procedures are documented for scanner assemblies including the flatbed mechanism and automatic document feeder components. The manual provides comprehensive coverage of the 250-sheet main input tray system, 600 pixels-per-inch optical scanning resolution architecture, and 330-watt maximum power consumption ratings during copying operations. Technical specifications include the 15–32.5°C operating temperature range for stable electrophotographic performance and fuser assembly heat parameters at 200°C peak fusing temperature. Print cartridge toner capacity specifications achieve 2,500 pages at 5% average coverage for standard cartridges.
Transmission service information covers the formatter system incorporating an embedded Coldfire V3 microprocessor operating at 90 MHz with 4 MB ROM and 32 MB RAM configuration. The operational overview chapter explains the central processing unit functions, Line Interface Unit capabilities for fax telecommunications, scanner formatter PCA operations, and flash memory boot processes. HVAC system procedures are included for the image formation system utilizing primary charging roller, laser/scanner assembly, developing stage, transfer roller, and fuser mechanisms working in coordinated sequence.
The document includes wiring diagrams showing main electrical connections, connector locations throughout the printer and scanner assemblies, and switch function specifications. Troubleshooting resources provide functional checks including engine tests, half self-test procedures, drum rotation verification, heating element resistance measurements, and high-voltage power supply diagnostics. Service mode functions access secondary service menus, developer's menu parameters, NVRAM initialization commands, and PJL software configuration variables.
Parts identification is covered for scanner assemblies, ADF rollers and separation pads, control panel components, printer covers, internal mechanical assemblies, electrical components, paper pickup mechanisms, and fuser assembly subcomponents. The alphabetical and numerical parts lists cross-reference field-replaceable units with exploded diagram callouts and HP part numbers. Chapter 7 provides ordering information for replacement parts, accessories including DIMMs and interface cables, and common hardware fasteners used throughout the unit.
The manual documents torque specifications for fuser assembly mounting hardware to ensure proper component alignment retention during thermal cycling and mechanical stress.
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