Networking Products
4pcs/Lot Inkjet Head Damper for Roland FH-740 /RA-640 /RE-640 / VS-300 /VS-420 VS-640 /RF-640 /XF-640 BN-20
Printer Compatibility: Roland FH-740/BN20/RA-640 / RE-640 / VS-300 / VS-420 / VS-540 / VS-640 / RF-640 / XF-640 / VS-640I. Remarks: OEM Roland VS-640 / FH-740 / RE-640 / RA-640 Ink Damper. To prevent your print head clogged, you should replace these...
https://www.bizrate.co.uk/networkingproducts/4pcs-lot-inkjet-head-damper-for-oid25638882864.html
