All medical devices should be routinely cleaned and serviced per manufacturer guidelines. The LT-300HD does require minimal maintenance and proper cleaning. Please refer to the owner’s manual for a complete set of guidelines to clean and maintain the LT-300HD colposcope. If your LT-300HD is not working correctly and needs repairs please call 1-631-676-7432 (Monday – Friday, 9:00-5:00 EST), press 3 to start the repair request.