Casio Service Stations in Japan

Casio has a telephone hotline in Japan for questions (in Japanese only) about camera repair:

0570-004161
Operators are on duty Mon. to Sat. from 9 am to 6:30 pm. Closed on Sun. and national holidays.

Direct phone numbers to their service stations are here. The hours are usually from 9 am to 5:30 pm. Closed on Sat., Sun., and national holidays. The Akihabara, Osaka, and Fukuoka Service Stations offer a quick repair service for minor camera repairs completed within an hour.

Tokyo (Shinjuku): (03) 3227-6751
Tokyo (Akihabara): (03) 5820-9871
Yokohama: (045) 441-2177
Kawaguchi: 048-250-2660
Chiba: 043-243-1087
Nagoya: (052) 324-2151
Kyoto: 075-351-1161
Osaka: (06) 6243-6211
Kobe: 078-392-2145
Hiroshima (082) 504-8012
Fukuoka: (092) 411-2538
Sendai: (022) 256-8822
Sapporo: (011) 281-1231

Casio Service Stations in Japan listed in Japanese here:
http://casio.jp/support/repair/mochikomi/