Roland MC-50 Micro Composer - Model Name: MC-50 - Floppy Disk Drive: Built-in Thank you for viewing. LCD display is normal, no errors on startup. Operation of each button, dial keys, and numeric keypad has been confirmed. I have confirmed that I can easily create sounds and write to and read from floppy disks. Please check the photos for the condition during the check. Initialized with 2DD floppy disks. Simple MIDI check OK. The adapter is a genuine Roland product. Please take a look at the photos. If you understand that this is a used item, please consider purchasing. We will ship quickly using recycled cardboard and air-cushion packaging. Please understand that the confirmation of power-on and other functions is based on the current state, and we cannot accept claims or consultations. Thank you.