Canon Color imageCLASS X LBP1538C imageCLASS X LBP1538C Users Guide - Page 469
Subnet Mask Conflict, This certificate has been revoked.
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Troubleshooting This certificate has been revoked. The certificate is included in the certificate revocation list (CRL). ● Register a new certificate. Registering a Key and Certificate for Network Communication(P. 233) This certificate is invalid. The certificate is invalid. ● Register the correct certificate and specify the settings again. Configuring the Key and Certificate for TLS(P. 224) Registering a Key and Certificate for Network Communication(P. 233) This certificate has expired. The certificate may have expired. ● Check the expiration date of the certificate registered in the machine. If the certificate has expired, register a valid certificate. Registering a Key and Certificate for Network Communication(P. 233) The date and time set on the machine may be incorrect. ● Check the date and time setting of the machine. Setting the Date/Time(P. 7) The appropriate paper size, LTR (A4), is not available. ● The appropriate paper size differs depending on your machine. - 120 V machine: LTR - 230 V machine: A4 Paper of the optimal size selected with Automatic Paper Selection has not been loaded. ● Load paper of the displayed size. is set to . ● Specify the paper source manually. ● Set a paper source loaded with the optimal paper size to in . (P. 386) Paper of a type that cannot be selected with Automatic Paper Selection is loaded. ● Specify the paper source manually. Subnet Mask Conflict The network addresses of the main line and sub line conflict. ● Check the IP address and subnet mask settings of the main line and sub line. Setting an IP Address(P. 22) 462