Read Sharp MX-6240N / MX-7040N (serv.man53) Technical Bulletin online
(1) DV lock lever Difference between the old and new:
Before change
After change
(2) DV guide Difference between the old and new:
Before change
After change
Before change
After change
Rib eliminated
Rib eliminated
Rib eliminated
Click on the first or last page to see other MX-6240N / MX-7040N (serv.man53) service manuals if exist.