OKI Maint PCB MFP 7PU M MC (OEL), MC780

Engineered to OEM standards, this genuine OKI maintenance PCB assembly (part 45167402, also referenced as 45531001) delivers precise control and diagnostics for MC780 series multifunction printers. It manages core operations, communication, and firmware-driven functions, ensuring consistent performance and longevity.

Overview

This control board is a direct replacement for damaged or non-functional original maintenance PCBs in OKI MC780, MC780dn, MC780dfn, MC780dnt, and other MC780 variants. It features multiple connectors for power, data, and peripheral modules, and includes embedded firmware for printer control and diagnostics. Designed for internal mounting within the MFP chassis, it is a critical spare part for restoring full printer functionality.

What stands out

• Genuine OEM part with exact fit and reliable operation
• Supports full MC780 series, including dn, dfn, and dnt models
• Embedded firmware for seamless integration and diagnostics
• Multiple electrical interfaces for comprehensive connectivity
• Engineered for long-term durability in high-duty environments

Technical details

• Product Type: Maintenance PCB Assembly
• Brand Compatibility: OKI
• Part Number: 45167402 (also listed as 45531001)
• Device Compatibility: OKI MC780 Series MFP
• Primary Function: Manages core printer operations, diagnostics, and communication
• Component Category: Printer Internal Spare Part
• Application: Repair and replacement of faulty printer control boards
• OEM Status: Genuine Original Equipment Manufacturer (OEM) Part
• Board Designation: Control Board / Logic Board
• Installation Environment: Internal mounting within MFP chassis
• Electrical Interface: Multiple connectors for power, data, and peripheral modules
• Firmware: Embedded firmware for printer control and diagnostics
• Reliability: Engineered to OEM standards for consistent performance and longevity

Our verdict

A dependable, OEM-grade maintenance PCB that restores your OKI MC780 to factory performance. Ideal for service technicians and IT departments seeking a genuine replacement part.