1999 Canon imageRUNNER 400/330 Service Manual (973 P.)
Technical reference for Canon imageRUNNER 400/330 with detailed service procedures, diagnostics, and component specifications. Includes troubleshooting guides and parts identification.
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Models Covered & Key Technical Specifications
Canon imageRUNNER 400/330 — 1999 Strategic Operational Archive | imageRUNNER Series Repository.
- Verified Displacement Data: For optimal performance, 600 x 600 dpi is specified as the scanning resolution Architecture.
- Key Running Clearance: The intake valve gap provides 0.15–0.19 mm (0.006–0.007 in) for standard clearance Topology.
- Principal Output Rating: 40 ppm (400 series) and 33 ppm (330 series) — is designed for maximum copy speed Matrix.
- Advanced Processing Speed: The main motor requires 24 VDC for standard drive operation Standards.
- Design Resolution Data: Write resolution supports 1200-equivalent x 600 dpi for output quality Margin.
- Designated System Fill: Tank capacity is calibrated to 50 L (13.2 US gal) for operational volume Protocol.
Professional Workshop Service Manual & Technical Specifications
Enhanced Factory Technical Manual: Copier Canon imageRUNNER 400/330 Service Manual 1999 - 992 Pages Procedure-Database
Procedure-Type: imageRUNNER 400/330 and 335/330 | Part Numbers DU7-1102-000 // Technical-Scope: High-Performance Enterprise Reproduction / 40-600 dpi Logic // Engineering-Metrics: 992-page comprehensive documentation framework.
| Integrated-Framework | Operational-Logic | Context |
|---|---|---|
| General Description | Machine Features and Specifications | Documented |
| Basic Operation | Functional Construction and Electrical Circuitry | Complete specifications provided |
| Exposure System | Scanner Drive and Lamp Control | See Chapter 3 |
| Image Formation | Analog and Digital Processing Systems | Documented |
| Laser Exposure | BD Signal Generation and Driver Control | Complete specifications provided |
| Image Formation Process | Primary Charging and Developing Assembly | See Chapter 6 |
| Pick-Up/Feeding | Cassette and Multifeeder Operations | Documented |
| Paper Deck Operations | Lifter Control and Pick-Up Sequences | See Chapter 8 |
| Fixing System | Temperature Control and Drive Assembly | Complete specifications provided |
| Externals/Auxiliary | Control Panel and Power Supply | Documented |
| System Integration | SCSI Interface and Expansion Boards | See Chapter 11 |
Service sections detail General Description presenting machine features, Image Formation System addressing digital processing circuits, Laser Exposure System covering BD signal generation, Pick-Up/Feeding System examining cassette operations, and Troubleshooting providing diagnostic procedures.
System operation descriptions cover the imageRUNNER 400/330 high-performance reproduction platform delivering 40 copies per minute at 600 dpi resolution with 256-gradation output capability. The documentation addresses indirect electrostatic copying methodology utilizing roller charging mechanisms with AC plus DC bias application. Comprehensive technical specifications include OPC drum photosensitive medium implementation and retard-method cassette pick-up control for center-reference paper handling.
The manual provides detailed coverage of the exposure system architecture incorporating fluorescent lamp illumination with lens array projection to CCD line sensor containing 75,000-pixel photocells. Analytical descriptions document the scanner drive motor control utilizing stepping motor technology with home position detection via PS1 sensor mechanisms. Wear limits are specified for photosensitive drum coating thickness measurement and resistance calculation affecting charging characteristics over operational lifecycle.
Assembly instructions are detailed for the dual-heater fixing system featuring 700-watt main heater and 600-watt sub heater with thermistor-based temperature monitoring. The documentation covers SSR short circuit detection logic and thermal switch protective mechanisms maintaining roller surface temperatures between 190°C and 220°C. Hydraulic schematics are included for the developer bias control implementing AC component at 1840 Hz frequency with 800V peak-to-peak amplitude modulation.
The document includes torque specifications for the main motor drive assembly to ensure proper rotational loosening prevention. Technical reference data encompasses eighteen fan assemblies with individual error detection codes and half-speed rotation control at 15-volt supply during standby operations. Electrical circuit diagrams document power distribution from composite supply generating +24VU, +24VR, and high-voltage transformer outputs for charging roller and transfer bias applications.
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