Siemens DCA Vantage Operator's Manual page 101

12. Using a clean, dry, sponge swab (provided in the Cleaning Kit), remove
any spilled liquid from the cartridge holder.
CAUTION
Do not use a cotton swab. Cotton fibers that are left on the surface
can interfere with the system's optical systems.
13. Rotate the cartridge holder with the compartment door partially closed to
locate and remove any additional liquid.
Figure 34 Rotating the Cartridge Compartment
14. Dampen a sponge swab with water or ethanol.
15. Clean the cartridge holder, rotating the cartridge holder as necessary.
CAUTION
Do not allow liquid to drip off of the sponge swab into the system. If
liquid drips into the system, you can damage the optics.
16. Locate the vertical grooves inside the cartridge compartment.
17. Locate the front and back slots near the top of the compartment.
18. Locate the leaf spring on one side of the cartridge return spring.
DCA Vantage Operator's Guide 101