Quote Originally Posted by blackcat4866 View Post
That's an old time tech trick, to extend the life of those rubber seals. =^..^=
Isn't that described in SH? I remember we always put this expensive Alvania grease on oil seals... still terrible design Toshiba developer units failed mightily. You can easy compare with KM developer unit untouched 1/2 million prints and no way to fail mechanically.