This Assy, Head Board is suitable for Roland EJ-640 and XF-640 XT-640 printers. This is the original Roland part (number 6000002178
replacing 6702048020 and 6702048021). There is no compatibility between this head board and the print carriage board number 6702048040.
XF-640 printers with a serial number under ZBV2653 must replace the head board and the print carriage board together. 

Original Roland EJ-640 XT-640 XF-640 HEAD BOARD 6000002178

Product: ASSY,HEAD BOARD EJ-640
 
No.: 6000002178
 
Compatible models: EJ-640 / XT-640 / XF-640

Precautions:
1: The board needs to be installed under the guidance of professionals. (The new motherboard is an empty board, and professionals are required to install the firmware and program parameters)

2: Due to the nature of equipment parts and many factors of installation, our company does not accept returns. Please refuse delivery if there is any visible damage to the packaging.

3: It is best to contact me before purchasing, and I will professionally analyze and judge the fault before shooting.

4: Once the accessories are installed on the machine, our company does not accept any return and refund