Scans - Ricoh 2.4x DVD+R DL

Asus DRW-1608P @ 2.4x
Asus DRW-1608P2S @ 2.4x
Plextor PX-755 @ 4x
NEC ND-3540A @ 2.4x
NEC ND-4550A @ 2.4x
Medium write error - no result available
LG GSA-4120B @ 2.4x