Cleaning syringe between filling carts

I’m filling 3880 carts with Piezography Pro Inks. Do I clean the long needle syringe after each cart? Same with priming syringe? Do I just use tap water?

I use only one ink in a syringe. Requires 8-10 syringes for my 3880 inks and flush but avoids any possible mixing of inks. When done I rinse all syringes in tap water and shake before air dry. Has worked well for years.

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