Matthew Sparby on Nostr: Hey, nprofile1q…3tne7 could I trouble you to check the voltage and polarity of the ...

Hey, nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq3levfmuj9uu5gy4mhh0tg5nkujqujkyky8220rd0dkwpm4p950eqv3tne7 (nprofile…tne7) could I trouble you to check the voltage and polarity of the power adapter for this Panasonic Penwriter RK-P400C? Mine came without one and I want to be sure before I start tinkering.