A blade assembly for a punch down tool includes a base member having a mounting block. As the printing device moves across a platform, the retractable screen assembly may fasten to support members, thereby causing a screen member to extend from the retractable screen assembly and prevent UV light from traveling along a range of viewing angles. 0% by mass or more, and cyclohexane-insoluble matter B obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 24 hours is 40. The housing includes a long threaded outer sleeve which extends from near the top deck surface to the thermostatic mixing valve cartridge body housing below, thereby accommodating any deck thickness from a 116 inch thick stainless steel tub edge to a compound deck construction up to 2\xbe inches thick.