Canon CPU-86 AF CPU Board – Autofocus Control Processor | Canon BH8-0675-03 Series
Engineering Background: The Canon CPU-86 is a dedicated autofocus central processing unit board engineered for Canon’s high-precision imaging and industrial scanning platforms. Carrying cross-reference part numbers BH8-0675-03, BG9-3728, MI-6, 10332-12400, and 0020-26374, this board serves as the core computational node governing AF signal acquisition, motor drive sequencing, and closed-loop feedback control within Canon’s modular control architecture.
Product Positioning: Designed for OEM maintenance engineers, field service technicians, and procurement specialists requiring a verified drop-in replacement for Canon production and imaging equipment. Konmask.com supplies this board as a tested, traceable component backed by documented sourcing and quality inspection protocols.
Complete Technical Specifications
- Manufacturer: Canon
- Part Number (Primary): CPU-86
- Cross-Reference Part Numbers: BH8-0675-03 / BG9-3728 / MI-6 / 10332-12400 / 0020-26374
- Board Function: Autofocus (AF) Central Processing Unit
- Board Type: Embedded CPU Control PCB
- Weight: 1,450 g (packaged)
- Condition: New / Refurbished OEM (specify at inquiry)
- Compatibility: Canon modular imaging and industrial control platforms (confirm model compatibility before ordering)
- Connector Interface: Multi-pin ribbon and JST-style board-to-board connectors (OEM standard)
- Operating Environment: Per Canon OEM specification — consult equipment service manual for thermal and humidity ratings
Proven Application Environments
- Canon large-format production printers and reprographic systems
- Canon industrial scanning and document imaging platforms
- Canon modular control systems requiring AF processor replacement
- OEM service depot repair and board-level maintenance programs
- Spare parts inventory for Canon-certified service centers
Engineering Advantages
- OEM-Grade Authenticity: Sourced through verified Canon supply channels — not aftermarket or clone boards
- Multi-PN Traceability: All five cross-reference part numbers documented for procurement and customs compliance
- Drop-In Replacement: Maintains original connector pinout and firmware compatibility with Canon host systems
- Pre-Shipment Inspection: Each unit undergoes visual and functional screening before dispatch
- Documented Provenance: Batch records and sourcing documentation available upon request for regulated industries
System Architecture & Signal Flow
The CPU-86 board operates as the master controller within Canon’s AF subsystem. It receives optical sensor data from the AF detector array, processes position error signals via onboard DSP logic, and outputs corrective drive commands to the lens motor controller. The board interfaces with the main system bus through a dedicated high-speed parallel interface, ensuring deterministic response times critical for precision autofocus performance. Firmware is stored in onboard flash memory and is field-upgradeable via Canon’s service interface protocol.
Sourcing & Quality Verification
- Source: Authorized Canon OEM supply chain and certified secondary market
- Inspection Standard: Visual PCB inspection (IPC-A-610 reference), functional power-on test where applicable
- Packaging: Anti-static ESD bag + foam-padded carton for international transit
- Documentation: Packing list, sourcing declaration, and cross-reference PN sheet included
- Warranty: 90-day DOA warranty; extended warranty available — contact sales
Procurement Process
- Confirm your Canon equipment model and existing board PN against the cross-reference list above
- Submit your order or RFQ via Konmask.com or email support@konmask.com
- Receive proforma invoice with lead time and shipping options (DHL / FedEx / sea freight)
- Payment processed — board dispatched with full tracking and export documentation
- Post-delivery technical support available via email or WhatsApp
Technical FAQ
Q: Is this board compatible with my Canon model?
A: Compatibility depends on your specific Canon platform. Please provide your equipment model number and we will confirm fitment before you order.
Q: What is the difference between BH8-0675-03 and BG9-3728?
A: These are Canon’s internal cross-reference part numbers for the same CPU-86 board assembly, used across different production batches and regional service documentation. The physical board is identical.
Q: Can you supply a Certificate of Conformance (CoC)?
A: Yes. CoC and sourcing declaration documents are available upon request for regulated procurement environments.
Q: What is the lead time?
A: In-stock units ship within 1–3 business days. Out-of-stock items typically have a 7–21 day lead time. Contact us for real-time availability.
Q: Do you accept returns?
A: DOA (Dead on Arrival) returns are accepted within 14 days of receipt. Please contact support@konmask.com with photos and a fault description.
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