I don't rip CDs on the B2 (just so you know where I'm coming from). That seems to be involved in a fair percentage of the problems reported in the forum. To save one's sanity and temper, expectations could be lowered and just understand that some CDs can't be ripped on the B2.
Some folks are happy buying a low cost external CD/DVD drive. It will be successful with more discs, and it is usually noticeably faster.
I do all my ripping on my computer using dBpoweramp CD Ripper. I rip directly to FLAC, so there is no loss of resolution. Then I copy to both a USB stick and my two backup disks, and then use the Import command to load onto the B2. You can also do it via NAS.