HP Duplexer PC Board Assembly for LaserJet Enterprise M604 / M605 / M606 Series - RM2-7656-000CN

The HP RM2-7656-000CN duplexer PC board assembly is a replacement electronics component for compatible LaserJet Enterprise M604, M605, and M606 Series printers. It supports the control circuitry associated with duplex printing, making it a useful service part for technicians restoring automatic two-sided document functionality in established business printing systems.

Key Features

• Replacement duplexer PC board assembly
• Designed for HP LaserJet Enterprise printers
• Supports automatic duplex-printing electronics
• Suitable for printer repair and service work
• Helps maintain established office printing equipment

Product Specifications

• Part Number: RM2-7656-000CN
• Manufacturer: HP
• Product Type: Duplexer PC board assembly
• Component Category: Printer electronics
• Function: Duplexer control circuitry
• Compatible Printer Families: LaserJet Enterprise M604, M605, and M606
• Application: Internal printer maintenance

Electronic Component Specifications

• Board role: Controls or supports the printer duplexer assembly
• Installation location: Internal printer electronics area
• Service purpose: Replaces a damaged or malfunctioning board
• Equipment category: HP enterprise laser printer
• Installation requirement: Follow the applicable technical service procedure

Duplex System Specifications

• Workflow function: Supports automatic two-sided printing
• Control role: Provides electronic operation for the compatible duplexer system
• Paper-handling relationship: Works with the printer's duplex paper path
• Maintenance category: Duplex-system repair
• Service consideration: Board compatibility depends on the exact printer configuration

Printer Service Specifications

• Repair environment: Office, departmental, and enterprise print rooms
• Replacement role: Printer-specific internal service component
• Technician requirement: Use anti-static handling and approved service procedures
• Verification step: Match the board part number before installation
• Maintenance purpose: Helps return duplex printing to normal operation

Use Cases

• Repair a duplexer control failure
• Restore automatic two-sided printing in a compatible printer
• Maintain an HP LaserJet Enterprise M604, M605, or M606
• Replace a damaged internal printer electronics assembly

Compatibility

• HP LaserJet Enterprise M604 Series
• HP LaserJet Enterprise M605 Series
• HP LaserJet Enterprise M606 Series
• Printer configurations designed for the RM2-7656-000CN board
• Confirm model, revision, connectors, firmware, and service documentation before installation

Frequently Asked Questions

What is this component?

It is a PC board assembly associated with the duplexer system of compatible HP printers.

Which printer families are listed?

The part is listed for LaserJet Enterprise M604, M605, and M606 Series printers.

What does the board support?

It supports the electronics involved in automatic two-sided printing.

Who should install it?

Installation should be performed according to HP service documentation by a qualified technician.

The HP RM2-7656-000CN provides a targeted electronics replacement for compatible LaserJet Enterprise duplex systems. Replacing the correct PC board can help restore two-sided printing, reduce equipment downtime, and extend the useful service life of business-class printer hardware.