2003 HP LaserJet 1150 / 1300 Series Service Manual (224 P.)
Technical reference spanning LaserJet 1150/1300/1300n configurations with ECU diagnostics, fuser assembly procedures, and paper path troubleshooting. PN Q1334-90928
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Sample pages from the 2003 HP LaserJet 1150 / 1300 Series Service Manual (224 P.) manual
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Models Covered & Key Technical Specifications
HP LaserJet 1150 & 1300 Series (Q1334-90928) — 2003 Specification & Registry Reference Unit.
- Maximum Cycle Rate: 20 ppm (Letter) / 19 ppm (A4) is established at the peak throughput Matrix.
- Universal Rotation Data: Resolution output is standardized to 1200 dpi addressable capability Standards.
- Established Installation Footprint: Physical dimensions reach 415 mm width × 486 mm depth × 253 mm height Margin.
- Measured Threaded Fastener Data: Operating temperature range dictates 10° to 32.5°C (50° to 90.5°F) thermal envelope Protocol.
- Published Alignment Specs: Active printing power consumption specifies 320 W (115 V circuit demand) Architecture.
- System Output Performance: The complete unit requires 8.5 kg (18.6 lb) installed weight Norms.
Professional Workshop Service Manual & Technical Specifications
Professional Training Manual: HP LaserJet 1150/1300 Service Engineering-Archive
Conceptual-Layout: HP LaserJet 1150 & 1300 Series (Q1334-90928) — 2003 / Repair-Classification: LaserJet Series Digest / Equipment-Series: 224-page technical resource.
| System Coverage | Documentation Scope | Logic |
|---|---|---|
| Image Formation Systems | Complete specifications provided | Documented |
| Paper Path Mechanisms | Troubleshooting reference included | See Chapter 6 |
| Electrical Components | Wiring diagrams and connector locations | Complete specifications provided |
Engineering chapters address Product Information, Installation and Operation, Maintenance, Operational Overview, and Removal and Replacement procedures, interlinking Troubleshooting with component-level diagnostics, and concluding with Parts and Diagrams for field service applications across the LaserJet 1150 and 1300 product line technical support framework.
The document includes coverage of the formatter system architecture for both the HP LaserJet 1150 printer and the HP LaserJet 1300 series variants. Practical circuit documentation encompasses the engine control unit power distribution, encompassing AC and DC voltage regulation circuits alongside high-voltage power supply specifications for the electrophotographic imaging process. Verification procedures are included for motor functionality, laser/scanner assembly operations, and fuser temperature control systems operating within the 10° to 32.5°C environmental range.
Special procedures are addressed for component removal sequences spanning covers, internal assemblies, and bottom assemblies. The manual documents torque specifications for the fuser assembly mounting hardware to ensure proper assembly stress control. Repair information is provided for the paper feed system, including the 250-sheet capacity main input tray mechanisms, pickup roller assemblies, and separation pad replacement protocols. Brake system specifications are included for the solenoid-actuated paper path control systems that coordinate media movement through the transfer and fusing stations.
The resource provides functional block diagrams illustrating the interaction between the Coldfire V3 processor-based formatter operating at 132 MHz and the engine control unit subsystems. Chapter 4 details the seven-stage image formation process without prescribing operational adjustments, while Chapter 5 presents removal procedures for 40+ field-replaceable assemblies through illustrated step sequences. Electrical schematics document connector locations, LED positions, and switch functions across the main chassis and optional 250-sheet paper feeder interface for the HP LaserJet 1300 series configuration variants.
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