W702406040 - Fan Junction Board (fan junction board) Roland RF-640

W702406040 – Fan Junction Board (fan junction board) Roland RF-640

The Roland Fan Junction Board – OEM ref. W702406040 – is the junction board that centralises the connections for the printer’s fans.

It distributes power and routes connections to the fans on the print side (PRINT) and the drying side (DRYER), and interfaces with the main board. A faulty board prevents the affected fans from functioning correctly.

Genuine Roland (OEM) part, tested and ready for installation. Sold separately (board only), excluding cables and fans.

Technical specifications

• OEM reference: W702406040
• Manufacturer: Roland
• Part type: Fan junction board (Fan Junction Board)
• Equivalent part numbers: W701406040 (VS-640) · W702406041 (VS-640i_01)
• Connections: print (PRINT) and drying (DRYER) fans
• Origin: genuine Roland part (OEM)
• Shipping: board tested, ready for installation — sold separately

Compatibility & use

• Roland RF-640 / RF-640A
• Roland VS-640i / VS-540i / VS-300i
• Roland RA-640 / RE-640

Function

• Centralises the connection of the machine’s fans
• Distributes power to the print and drying fans
• Relays connections to the main board
• Simplifies the wiring of the ventilation circuit

Signs of wear

• One or more fans have stopped running
• Drying or cooling faults
• Ventilation-related errors reported by the machine
• Overheating or insufficient ink drying

Replacing the Fan Junction Board restores power to the fans and prevents drying or cooling faults.

♻️ DG Spare Parts – European specialist in spare parts for large-format printers and plotters.