These Brother LC900 black compatible ink cartridges can be used with Brother 340CW, Brother DCP 117C, Brother DCP-110C, Brother DCP-115C, Brother DCP-120C Brother DCP-310, Brother Fax 1835 Brother Fax 1840C, Brother Fax 1940, Brother Fax 2440, Brother Fax 310, Brother MFC 210, Brother MFC 215C, Brother MFC 3240 Brother MFC 3340, Brother MFC 3342, Brother MFC 5840, Brother MFC-410CN, Brother MFC-425CN, Brother MFC-5440CN, Brother MFC-5840, Brother MFC-5840CN, Brother MFC-620CN, and the Brother MFC-640CW inkjet printer.