Please check the following contents. Main unit was operated without setting of printing area and following message will be shown. Make sure to perform media detection. For procedure, see "OPERATION MANUAL". Applicable product SWJ-320 Series If you're still having problems, please contact us through our inquiry form. Inquiries about error and trouble (Mimaki Global) We would like to hear from you! Please take a few minutes to complete this survey Was this page helpful to you? Yes No Help us improve our services. Please leave your comments and suggestions.