2004 Canon iR2270/iR2870/iR3570/iR4570 Service Manual (876 P.)

Canon iR Series technical guide detailing maintenance procedures, parts replacement, and troubleshooting. Complete service documentation for iR2270, iR2870, iR3570, and iR4570 copier models with comprehensive component specifications.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Canon Models Covered & Key Technical Specifications

Models: Canon iR2270, iR2870, iR3570, iR4570
Sub-models / Variants: 120V models, 230V models, 230V EUR model, 230V CA model
Build Years: 2004
Technical Data:

  • Printing speed: 22–45 ppm (model dependent)
  • Reading resolution: 600 x 600 dpi
  • Copying resolution: 1200 dpi equivalent x 600 dpi
  • First print time: 3.9–4.9 seconds
  • Warm-up time: 30–40 seconds or less
  • Photosensitive medium: OPC drum (30 mm diameter)
  • Power consumption (max): 1350 W
  • Cassette capacity: 550 sheets (80 g/m2)
  • Noise level (standby/operation): 40–50 dB / 66–71 dB
Technical Specifications
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Document Number / Seller:
23863 / Michael Campbell
File Size:
32.33 MB
File Type:
PDF
Language:
English
Pages:
876
Printable:
Yes
Category:
Printer
Last updated / verified
Jun 25, 2025

Canon Manual Features & Content Preview

Technical Scope for Canon iR2270/2870/3570/4570 Series

  • Built for owners and professional workshops servicing the 2004 Canon iR2270, iR2870, iR3570, and iR4570 multifunction printing systems
  • Official OEM publication copyright 2001, updated 2004, documenting technical theory, installation, maintenance, and system configurations
  • Contains 43 individual system configuration diagrams and 18 logic flow charts for imaging and paper paths
  • Downloads to your account within seconds of checkout
  • Re-download the file any time, no expiration
  • Full-text search finds any part number in seconds
  • OCR text layer lets you jump to a torque spec by keyword
  • This 876-page publication serves as the primary technical reference for the Canon iR2270/2870/3570/4570 Series launch build, including detailed servicing procedures for all major assemblies

Manual Organization and Content

The 2004 Canon iR2270/2870/3570/4570 service manual provides technical insight into the core subsystems. The content begins with system construction and accessory configurations, detailing the installation of finishers, punch units, and external paper decks. Each chapter focuses on a specific functional block, including the main controller, original exposure system, laser exposure module, and the complex image formation system. Professional technicians gain access to the removal and replacement procedures for every major assembly, from the laser unit to the toner level sensor.

Electrical and Performance Data

Technical specifications are documented for power supply routing and DC controller signal thresholds. The manual lists electrical output ranges for the controller, printer, and accessory power boards to support diagnostic review. Coolant, thermal, and sensor reference values are provided to ensure unit-specific calibration during the maintenance cycle. The 876-page document provides a comprehensive view of the electrical and mechanical systems, from paper path sensors to the main drive assembly. Reference for any hands-on work should always involve this factory-level documentation to maintain the correct operational envelope of the Canon iR2270/2870/3570/4570 Series. This official 876-page technical manual covers the 2004 Canon iR2270, iR2870, iR3570, and iR4570 printers, detailing internal assembly, installation procedures, electrical schematics, and mechanical specifications for authorized personnel and service technicians.

Manual FAQ, Purchase & Download Details

Does this service manual contain specification tables for paper types and printing speeds? keyboard_arrow_down

Yes, the document includes comprehensive specification sections that list operational velocities, paper capacity, and standard paper type guidelines.

What kind of visual technical guidance is included for the main controller and electrical components? keyboard_arrow_down

Manual contains detailed exploded view illustrations and major PCB wiring diagrams to assist in understanding the system layout. It also provides reference information on the construction of the electrical circuitry and component configurations.

Which system sections are detailed in this service manual regarding printing and image processing? keyboard_arrow_down

Document covers a wide range of systems including the main controller, original exposure system, laser exposure, image formation, and pickup/feeding units. It also contains reference information for the scanner motor, contact image sensors, and the fixing assembly. You will find that these chapters explain the functional construction and operational sequences for each of these major components.

Can I find technical reference data for power consumption and warm-up requirements in this manual? keyboard_arrow_down

Document contains specification tables that list the rated power consumption and calibrated warm-up time requirements for the covered models.

Is coverage for the Canon iR2270, iR2870, iR3570, and iR4570 series included in this document? keyboard_arrow_down

Yes, this service manual is explicitly prepared for the Canon iR4570, iR3570, iR2870, and iR2270 series of printers. The document provides 876 pages of technical reference material spanning all these specific model variants.

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