This 256 MB memory card is excellent and works perfectly for Brother HL-6180DW printers / Brother HL-6180DWT and Brother HL-5470DW, this memory card installed in the printers it increases the maximum memory is 384 MB in total for printers Brother HL-6180DW / Brother HL-6180DWT Brother HL-5470DW and it allows to print pdf files and other plans or complex graphics without printing blocks squarely at worst, or Mettes message "memory full "Can not print; or Mettes forever has print graphics and complex heavy documents alone or shared printer. Once the 256 MB memory card installed in the printer rolls without blocking any whatsoever-only or printer shared by a small working group !!! it give a great service for its price! If you have printers Brother HL-6180DW / HL-6180DWT Brother, Brother HL-5470DW and do not deprive yourself of that the 256MB memory card!