P600 CISS extra part & cleaning

InkjetMall Customer Support Printer Maintenance & Cartridges
1

So I installed the P600 CISS.
How shall I clean the syringes and parts like those for future?

Also, attached is this white plastic part without any description or explanation .
How do I use this?

Wish me luck!

2

Please give me a photo of the white plastic part if you would.

Syringes can be simply rinsed and stored for later.

-Walker