I believe that you know Ricoh print heads. But in fact, there are so many models in the markets, Print head factory will not produce one model.

Now, we will teach you few easy ways to choose:

First, you need to know which type of ink your printer using, water based ink, uv ink, or solvent ink.

Second,you need measurement the length of head cable.

And then need count one side of the outlets, for example:

• N221345M (MH5440) 4 outlets 248MM HEAD CABLE (UV INK, SOLVENT INK)

• N221345N (MH5440) 4 outlets 248MM HEAD CABLE (WATER BASED INK)

• N221345P (MH5440) 4 outlets 500MM HEAD CABLE (UV INK, SOLVENT INK)

• N221345Q (MH5440) 4 outlets 500MM HEAD CABLE (WATER BASED INK)

• N221414J (MH5420) 2 outlets 248mm head cable (UV INK, SOLVENT INK)

• N221414K (MH5420) 2 outlets 500mm head cable (WATER BASED INK)

• N221414L (MH5420) 2 outlets 500mm head cable (UV INK, SOLVENT INK)

• N221414P (MH5420) 2 outlets 248mm head cable (WATER BASED INK)