Canon Color imageCLASS X LBP1538C imageCLASS X LBP1538C Users Guide - Page 470
Insert the toner cartridge in the correct color slot., The entered PIN is incorrect.
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Troubleshooting The default key is not set. The key and certificate (TLS server certificate) are not registered. ● To use TLS encrypted communication, first register the key to be used. Configuring the Key and Certificate for TLS(P. 224) An unusable wired LAN adapter was connected. A USB-LAN adapter that cannot be used with the machine is connected. ● For information on the USB-LAN adapters that can be used, contact your dealer or service representative. Connecting to a Wired LAN for the Sub Line(P. 12) Could not verify the certificate. The CA certificate of a certificate authority could not be confirmed. ● Register a CA certificate issued by a certificate authority. Cannot change the settings because the selected key is being used. The key and certificate you are trying to delete are being used in TLS encrypted communications. ● Set all TLS settings to to stop TLS encrypted communication. Session timed out. Wait a moment, then try to access the database again. The session timed out because the specified length of time elapsed. ● Try accessing again after waiting a while. If the session continues to time out, restart the machine. Direct Connection ended due to an error. Failed to connect to the mobile device, or no data was sent or received between the machine and the connected mobile device for a certain period of time. ● Check the connection between the machine and the mobile device. Could not register because the number of registered users has reached the limit. Cannot register the user because the number of users has exceeded the upper limit. ● Delete any unnecessary users. Insert the toner cartridge in the correct color slot. The color of the inserted toner cartridge may be incorrect. ● Make sure to check the status of the inserted toner cartridge. The entered PIN is incorrect. An incorrect PIN was entered. ● Enter the PIN again. ● If you do not know the correct PIN, contact the administrator. 463