Waters Xevo G2-XS QTof Overview And Maintenance Manual page 255

To remove buildup from electronic connectors:
1. Open the source door.
2. From the back, gently direct a stream of air from a clean source across
the electronic connectors.
To prevent contaminating the inside of the source, do not direct air
Note:
into the source.
3. Close the source door.
To clean the outside surfaces of the ionKey source:
1. Use a lint-free tissue, dampened with water.
2. Clean the other system components according to the supplied
documentation.
Cleaning the ionKey source and connectors
April 2, 2015, 715004496 Rev. B 255