CC45660002 Fax Controller PCA Card for HP LaserJet CM3530 / CM4540 / M4555 A directfit fax controller printed circuit assembly (PCA) designed for use with HP LaserJet CM3530, CM4540 and M4555 series printers. Restores or adds reliable fax capability to your multifunction device without replacing the entire machine. Key benefits Restores fax functionality quickly: a faulty or missing fax controller PCA to reenable fax send/receive operations on compatible HP devices. Saves time and cost: the specific controller board rather than a printer or full replacement assembly. Designed for compatibility: Form, connectors and interface match the HP LaserJet CM3530, CM4540 and M4555 series controller slot for straightforward installation. What it does (functionality) Provides the fax controller electronics required for telephoneline connectivity and fax operations when installed in supported HP LaserJet models. Acts as the interface between the printer's main board and the telephone line to enable fax transmission and reception. PCA (Printed Circuit Assembly) construction delivers the circuitry and connectors for factoryequivalent operation. Key attributes Compatibility: Specifically for HP LaserJet CM3530, CM4540 and M4555 series printers (part number CC45660002). Form factor: Standard controller PCA design to fit the designated controller slot in the listed HP models. Build: Printed circuit assembly with connectors and components configured for the target HP devices. Performance: Restores the printer's native fax functionality and integration with the device's control panel and drivers when properly installed. Simple use cases Office : a failed fax controller PCA in a busy office printer to resume sending and receiving invoices, orders and confirmations without disrupting workflow. Facility upgrade: Add or restore fax capability in a multifunction HP LaserJet M4555 or CM4540 that no longer transmits faxes, avoiding fullunit replacement. Maintenance for legal/medical practices: Ensure continued secure fax transmission of confidential documents by replacing a malfunctioning controller board with a compatible PCA. Installation and compatibility notes Intended for installation into the controller slot of HP LaserJet CM3530, CM4540 and M4555 series devices. Confirm model compatibility and part number (CC45660002) before . Installation typically requires basic service procedures: power down the printer, access the controller bay, remove the defective board, install the replacement PCA, reconnect telephone line and power up. Refer to the HP service manual or a qualified technician for stepbystep instructions. considerations Verify the printer model and part number to ensure proper fit and operation. Intended as a replacement controller PCA; sold without additional cables or accessories unless specified by the seller. Restore fax capability to supported HP LaserJet devices quickly and costeffectively with the CC45660002 Fax Controller PCA Card.