David Chai 1 Report post Posted March 7, 2013 The program can only function properly using a USB connection. If you do not see your printer in the detected devices list try the following: 1. Check USB connection and cancel all printer jobs, turn printer OFF then ON again. 2. Refresh detected devices list. Invalid key. The input key was not found in the database and does not appear to exist. Please ensure you typed the entire key correctly and that you have not input a Paypal transaction ID or similar by mistake. Could not read data from socket. Connection is missing. Communication error occurred during data transfer between client and server. There are possible cause of the problem: internet connection may be unstable or absent, proxy are used or server is temporarily unavailable. Make sure that no third party applications ( antiviruses, firewalls, etc. ) does not block access to the network. If problem persists repeat this operation later. Invalid key. The input key was not found in the database and does not appear to exist. Please ensure you typed the entire key correctly and that you have not input a Paypal transaction ID or similar by mistake. Error report sent to the server. Invalid key. The input key was not found in the database and does not appear to exist. Please ensure you typed the entire key correctly and that you have not input a Paypal transaction ID or similar by mistake. 1 Share this post Link to post Share on other sites
John_Admin 388 Report post Posted March 16, 2013 You enter not Reset Key I think or Reset Key with mistake. Check it. Share this post Link to post Share on other sites
