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OKI Board-CLQ-2 maint OEL ES5431

OKI Board-CLQ-2 maint OEL ES5431
OKI Board-CLQ-2 maint OEL ES5431
R7,103
When an OKI ES5431-series printer starts showing main board errors or fails to process print jobs, this Board-CLQ-2 maintenance controller board is the direct replacement that restores full functionality. It is the central formatter and engine control board for compatible OKI LED printers, handling ... Read More
Stock 9 Code 3393371 Brand OKI Model 44856205 Warranty 2 Years

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Estimated delivery Tuesday, October 6
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When an OKI ES5431-series printer starts showing main board errors or fails to process print jobs, this Board-CLQ-2 maintenance controller board is the direct replacement that restores full functionality. It is the central formatter and engine control board for compatible OKI LED printers, handling everything from raster image processing to communication with the print engine, scanner, and control panel. This board is built around the OKI ES5431 ASIC, which integrates the processor, memory controller, and image processing pipeline on a single chip for reliable, high-speed operation.

Key specifications

  • Board type: Main controller / formatter board
  • Chipset: OKI ES5431 ASIC
  • Compatibility: OKI C3xx/C5xx/MC3xx/MC5xx series LED printers (e.g., C331, C531, MC362, MC562)
  • External interfaces: USB Type-B, Ethernet RJ-45
  • Internal connectors: Multiple FFC/ribbon cable connectors for engine, scanner, control panel, and power
  • Memory: Integrated DDR2/DDR3 RAM and Flash ROM for firmware
  • Diagnostics: On-board LEDs for status and troubleshooting
  • ESD protection: Yes
  • Material: FR-4 printed circuit board
  • Revision: CLQ-2

Why choose it

This board is engineered to meet OKI's exact specifications, ensuring a perfect fit and reliable performance. It restores the printer's ability to interpret print jobs, manage image data, and coordinate all internal modules. With integrated memory and a proven ASIC design, it delivers consistent output quality and stable network printing. The on-board LEDs simplify installation and troubleshooting, while the standard ESD protection safeguards the board during handling.

Ideal use cases

  • Replacing a failed main board in OKI ES5431-compatible printers
  • Upgrading or repairing printers in office workgroups or small businesses
  • Restoring network and USB printing functionality
  • Maintaining a fleet of OKI LED printers with a common controller platform

Good to know

The Board-CLQ-2 is a maintenance part intended for qualified service technicians. It is supplied as a bare board without cables or mounting hardware. Firmware can be updated via the printer's standard interface after installation. Always follow proper ESD precautions when handling the board. Verify your printer model is listed in the compatibility range before ordering.

Specifications
Brand
OKI
Category
Maintenance Kit
Compatibility
OKI C3xx/C5xx/MC3xx/MC5xx series LED printers (e.g., C331, C531, MC362, MC562)
Country of origin
China
Harmonized System (HS) code
84733020
Model
Board-CLQ-2
MPN
44856205
OEM code
44856205
Price history over the last 6 months
OKI Board-CLQ-2 maint OEL ES5431
Current
R7,103
Lowest
R7,037
Highest
R7,112
Change 24H
-R9   0%
Week
+R66   +1%
Month
—   

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