ND3550A - multisession disc unreadable with Dee's 1.Y5 firmware

I have a ND3550A and am trying to read a multisession DVD-R I burned with it. Using NEC firmware 1.06 it’s readable (and no unusual delays either). Using Dee’s 1.Y5 - it isn’t.

PS - How come there isn’t an RPC-1 firmware based on 1.06? Or maybe there is and I just can’t find it…

I use the 1y6 and have no problems with my 3550a. See this link


I have 1.y6 as well and have had since about Mar. and have never had a problem. 1.y5 is old FW update to Dee’s newer FW 1.y6. Good Luck.