HP MFP Analog Fax Accessory 500 

HP MFP Analog Fax Accessory 500 CC487A lets you add analog fax capability to selection HP Multifaction printers. This easy-to-install, internal fax card increases the functionality of your MFP and improves productivity.

It is compatible with the following MFP:

• Laserjet Enterprise M525
• Laserjet Enterprise M577
• Laserjet CM3530
• Laserjet CM4540