Customer Support
Please feel free to contact us if you have any problems with the product, such as malfunctions or breakdowns, or if you have any questions about how to use it.
*You can also check the instruction manuals for each product below.
Important Notice
For general customers, click here
Contact form
For general customer inquiries, please use the link below.
Please feel free to contact us with any inquiries regarding pre- or post-purchase of EPEIOS products, problems with the product such as malfunctions or breakdowns, or questions about how to use it.
LINE consultation desk
※Regarding the temporary suspension of inquiries via LINE※
Starting Tuesday, December 23, 2025, we will temporarily suspend responding to inquiries via LINE.
We will notify you again on this website when services resume. We apologize for any inconvenience this may cause, and we appreciate your understanding. (*For inquiries, please use the inquiry form above.)
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Dedicated staff will respond via chat.
LINE support hours: Weekdays from 11:00 to 17:00
(We will respond to inquiries in the order they are received)
*This service is limited to members who follow the corporate account.
Please see below for details.
Inquiries from companies
For inquiries about various corporate transactions, campaigns, collaborations, and other initiatives, please contact us using the corporate inquiry form below.