HP Density Detect Sensor Assembly RM2-6020

The HP Density Detect Sensor Assembly (RM2-6020) is a genuine OEM internal component designed to maintain optimal print quality in select HP LaserJet Pro printers. This electromechanical sensor uses optical detection to monitor toner density, ensuring consistent print output and preventing common print defects such as streaks, fading, or uneven density. It is a direct replacement for part numbers RM2-6020-000CN and RM2-7399-010CN.

Advantages

Restores print quality by accurately detecting toner density. Genuine HP part ensures reliable performance and longevity. Easy to install inside the printer chassis. Resolves toner-related error messages and inconsistent print density issues.

Suitable for

• HP LaserJet Pro M402, M403, M404, M405, M426, M427, M428, M429 Series printers
• Printers experiencing toner density errors, inconsistent print quality, or toner-related faults
• Service technicians and IT professionals performing printer maintenance

Key specifications

• Part Type: Sensor Assembly
• Sensor Function: Toner Density Detection
• Detection Method: Optical
• Compatibility: HP LaserJet Pro M402, M403, M404, M405, M426, M427, M428, M429 Series
• Manufacturer Part Number (MPN): RM2-6020
• Alternative Part Number: RM2-6020-000CN
• Product Type: Printer Internal Component
• Condition: New
• Connectivity: Internal Ribbon Cable/Connector
• Brand: HP

Recommendations

For best results, always use genuine HP parts. Ensure the printer is powered off and disconnected before installation. If you are unsure about compatibility, please check your printer model against the list of supported series.