Aluminum Reflector Set for IST Part # 155018 UV Curing Lamp Bulb Model_VZero 170D this is most likely the

this is most likely the culprit

Wattage: 1000W

Steril-Aire - DE361VO  UV Light Bulb is 93 watts and 100% compatible with germicidal OEM Air sterilization filters

Installation:

The compact package allows the system to be permanently mounted in a fixed location for the sake of automation or to be used as a portable system and transported for on-site UV applications

Aluminum Reflector Set for IST Part # 155018 UV Curing Lamp Bulb Model_VZero 170D this is most likely theAluminum Reflector Set for IST Part # 155018 UV Curing Lamp Bulb Up to 70% of the curing power in your press comes from the reflectors. This curing power can be substantially reduced when the aluminum reflectors start becoming foggy or start peeling. This may not be initially evident. Many people think that the machine is simply aging and just does not cure as well as it used to. Refreshing the aluminum reflectors will not only get your machine