Soak a cloth in detergent and use it to wipe the outside of the insertion tube immediately after use.
Press the suction valve to suck detergent into the insertion tube, and then again to suck air into the insertion tube.
Press the air/water valve to flush first water and then air through the insertion tube.
Remove all detachable parts from the endoscope, as well as the biopsy valve. Discard the valve. (Replace before reusing the endoscope.)
Prepare a solution of detergent and water, using the directions on the detergent.
Submerge the endoscope in the solution, and rub down the external parts well.
Use the small cleaning brush to clean out the inside of the insertion tube. Then use it to clean out the inside of the universal cord, the suction cylinder and the instrument channel port.
Press the suction valve to suck the solution into the insertion tube.
Attach both the injection tube and the channel plug to the endoscope, and inject the detergent solution through all channels.
Soak the endoscope in the detergent solution for the amount of time specified on the detergent.
Remove the endoscope from the solution, rinse the outside of it and inject water through all three channels. Flush air through all three channels as well.
Dry the endoscope with a clean, dry cloth.