Formal — to staff
Sento · Onsen
You
この券売機、お札が使えないみたいなんですが、両替できますか？
このけんばいき、おさつがつかえないみたいなんですが、りょうがえできますか？
It seems this ticket machine doesn't accept bills. Can I get change?
Romaji: Kono kenbaiki, osatsu ga tsukaenai mitai nan desu ga, ryōgae dekimasu ka? / Reply Romaji: Hai, achira no uketsuke de ryōgae itashimasu.
Reply
はい、あちらの受付で両替いたします。
はい、あちらのうけつけでりょうがえいたします。
Yes, we can make change for you at the reception over there.
Gesture & etiquette
Pointing at the machine, then gesturing towards where change might be given.
Do not try to force bills into a coin-only machine. Look for a change machine or ask staff.
#vending_machine#change#public_bath#sento#onsen#ticket