Sony MZ-R50 Silver Used Recording does not work

SONY MD WALKMAN Digital Recorder MZ-R50

Sony MZ-R50 MiniDisc Player Silver - Made in Japan - Vintage Portable MD Recorde

Sony MZ-R30 MiniDisc Recorder Walkman – Digital MEGA BASS Vintage Portable Play

Sony MZ-R50 MiniDisc Recorder- Untested

Sony MZ-R50 MD Walkman Portable MiniDisc Recorder Silver Made In Japan READ

Sony Player MZ-R50 Silver Used No Battery Recording Feature not able.

Sony Model MZ R50 Portable MiniDisc Walkman Player And Recorder VGC