Reman.
1918 (Q2344A) Black Cartridge compatible with:
AdressRight DA400, DA500, DA50S, DA550, DA55S, DA700, DA70S, DA750, DA75, DA80, DA900, DA950, DA95, W400, W660, W680, W707, W790, W803, W990
Secap 22K, 24K, 26K, 30K, V250, V300
Rena DA608, DA610, DA612, DA615, DA620
Bryce 11k, 13k, 22k, 24k, 26k
The use of compatible supplies does not void your printer warranty.