Hp M403dw Power Supply Board

About Hp M403dw Power Supply Board

The HP LaserJet Pro M403 power supply typically refers to internal replacement boards used to provide either low-voltage or high-voltage power to the printer's various electronic and mechanical components.

Low-Voltage Power Supply (LVPS): This board converts standard AC power from a wall outlet into the low-voltage DC power required by the printer's main logic components.
- Function: Powers the DC controller, formatter board, and fuser heating elements.
- Common Part Numbers:
  
  RM2-8517, RM2-9817, RM2-9816, RM3-8543.
- Input: Generally available in 110V or 220V versions depending on the region.
High-Voltage Power Supply (HVPS): This specialized board generates the high voltages necessary for the electrostatic processes used in laser printing.
- Function: Provides charge to the drum, development rollers, and transfer systems.
- Common Part Number:
  
  RM2-7508.
- Key Specifications & Features

Compatibility: Designed specifically for the HP LaserJet Pro M403 series (including M403d, M403n, M403dn, and M403dw) and often shared with the M402 series.
Installation: These are internal components that typically require a technician for safe installation.
Common Use Cases: Replacing a faulty unit can resolve issues such as the printer failing to turn on, unexpected shutdowns, fuser errors, or intermittent power loss.
Physical Weight: Approximately 800 grams.