If you have purchased a comaptible Domino pump head, you must be asked this question before, which type of pump head do you need, with long rotor or short rotor. This question applies to Linx 4900 pump head too.
There are two types of pump head for Linx 4900 CIJ printer, one with long rotor and short motor, the other with long motor and short rotor. Please kindly refer to below picture.
If you do not know which one works for your 4900, please send us a picture of your pump with motor, then we will send the correct pump head to you.
For more questions, please feel free to contact us.
L&S CIJ Codification Parts 