collect for output

I AM A coreldraw user. i having been using corel draw for many years. i have used coreldraw 11, 12,14, 16, 17. the quality for "prepare for service beurau" is best in corel 14 (1500 dpi) but i didnt been able to get that much quality from coreldraw x7.

i work mostly for fountains, drop shadow, high quality bitmaps.

i only want to know the best possible procedure for collecting for output in coreldraw x6 & x7.