# Cleaning NextSeq 1000/2000 cartridge tray in case of reagent leak inside the instrument
1. Remove the cartridge from the instrument. Do not select cartridge load.
2. Put on a new pair of powder-free gloves and any additional protective wear.
3. Spray 10% bleach solution onto a cloth.
4. Wipe the cartridge tray using the cloth, and then immediately remove the bleach solution using a heavy duty wipe. The bleach may stain the cartridge tray if not removed immediately.
5. Spray 70% ethanol solution on the cartridge tray and immediately remove using a heavy duty wipe.
6. Set the cartridge tray back to load position.\
Picture adapted from [NextSeq 1000/2000 Product Documentation](https://support-docs.illumina.com/IN/NextSeq10002000/Content/IN/NextSeq2000_1000/InstrumentHardware_fNS.htm), Consumables Compartment section##
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