Y-axis sensor board Flashforge AD4 (model 30001904001) for 3D printer

Replacement Y-axis sensor board Flashforge AD4 (model 30001904001) for 3D printers. This OEM spare part is intended for Flashforge AD4 series machines and monitors the Y-axis position to support accurate movement and consistent print quality. It is designed for service, repair or upgrade of compatible printers and restores axis sensing without needing to replace major assemblies.

Advantages

The Flashforge AD4 Y-axis sensor board is a direct-fit OEM component that simplifies repair and reduces downtime. It maintains original compatibility with AD4 electronics and helps restore reliable Y-axis feedback for accurate layer alignment. Using the correct replacement part preserves printer functionality and avoids potential issues from incompatible third-party modules.

Suitable for

• Repairing Flashforge AD4 3D printers
• Replacing a faulty or damaged Y-axis sensor board
• Routine maintenance or service of compatible printers
• Upgrading original components with OEM spare parts

Key specifications

• Brand: Flashforge
• Model / MPN: 30001904001
• Function: Y-axis position sensor board
• Compatibility: Flashforge AD4 series
• EAN: 6971940406976

How to use

Power off the printer and disconnect it from the mains before beginning. Access the electronics compartment according to the printer service manual, remove the faulty Y-axis sensor board, and install the replacement Flashforge AD4 board in the same orientation and connector positions. Reconnect all cables securely, reassemble the housing, then power on the printer and run any recommended axis calibration or homing procedures to confirm correct operation.

Recommendations

Handle the board with electrostatic discharge (ESD) precautions and use manufacturer guidance for disassembly and reassembly. If unsure about the replacement procedure, consult an authorized service center or refer to the Flashforge AD4 technical documentation to avoid damaging other components.