Send an email to: sales@jkmicro.com

Include the serial number and any information that may help our staff diagnose the issue.

We will then respond with an RMA number.

Returns Policy: 90 Day Warranty. 
Always willing to repair products after 90 days. (Labor - $50.00/ hour.)

Please contact us if you have a malfunctioning product 
12228 E Bennett Rd. Grass Valley, CA 95945 
Phone (530) 297-6073 
Fax (530) 297-6074

© 2016 JK microsystems, Inc. All rights reserved.
Offering embedded computer solutions since 1996
Returns