AR-335 (serv.man148). 1.Change In The Outer Diameter Of The Paper Delivery Lock Shaft Carried Out As A Measure To Improve Productivity. 2.Measure To Alleviate Problems Of Loosening Screws Caused By Thermal Contractions. 3.Measure To Improve Problems Of Noise. (WHITE) - Sharp Copying Equipment Technical Bulletin (repair manual). Page 2