Lexmark X792DTE, X792DE Users are unable to authenticate, Verify the Date and Time on the Printer

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“The KDC and MFP clocks are different beyond an acceptable range; check the MFP's date and time” error message

This error indicates that the printer clock is more than five minutes out of sync with the domain controller clock.

VERIFY THE DATE AND TIME ON THE PRINTER

1From the Embedded Web Server, click Settings > Security > Set Date and Time.

2If you have manually configured date and time settings, then verify and correct them as needed. Make sure the time zone and daylight savings time settings are correct.

Note: If your network uses DHCP, then verify that NTP settings are not automatically provided by the DHCP server before manually configuring NTP settings.

3If you have configured the printer to use an NTP server, then verify that those settings are correct and that the NTP server is functioning correctly.

4Click Submit to save any needed changes.

“Kerberos configuration file has not been uploaded” error message

This error occurs when PKI Authentication is configured to use the Device Kerberos Setup, but no Kerberos file has been uploaded.

MAKE SURE THE KERBEROS FILE HAS BEEN UPLOADED

1From the Embedded Web Server, click Settings > Device Solutions > Solutions (eSF) > PKI Authentication > Configure.

2If the Simple Kerberos Setup has been configured in PKI Authentication, then clear the Use Device Kerberos Setup check box, and then click Apply.

3If a Kerberos configuration file is needed, then:

aFrom the Embedded Web Server, click Settings > Security > Security Setup > Kerberos 5.

bUnder Import Kerberos File, click Browse to locate the appropriate krb5.conf file, and then click Submit.

Users are unable to authenticate

MAKE SURE THE REALM SPECIFIED IN THE KERBEROS SETTINGS IS IN UPPERCASE

1From the Embedded Web Server, click Settings > Device Solutions > Solutions (eSF) > PKI Authentication > Configure.

2If the Simple Kerberos Setup has been used, then verify that the Realm is correct and has been typed in uppercase.

3If a krb5.conf file has been uploaded, then verify that the Realm entries in the configuration file are in uppercase.

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Contents Installation Supplement and Administrator Guide NovemberUnited States Government Rights Contents Troubleshooting Login issuesOverview Using this guideOverview and first steps Supported devicesPage Attaching a lock Encrypting the hard diskFollowing message appears Contents will be lost. Continue? Disabling the USB bufferConfiguration checklist Installing the minimum configurationConfiguring the device Configuring disk wipingCreating user accounts Scenario 1 Using two groupsScenario 2 Using multiple groups Defining groupsSelect Manage Internal Accounts Add Entry Creating security templatesCreating accounts Modifying or deleting an existing security template Controlling access to device functionsAccess controls and required levels of protection Access control Level of protection Disabling home screen icons Touch Home screen customizationSettings for network-connected devices Administering the deviceUsing the Embedded Web Server Printing a network setupClick Device Certificate Management New Creating a new certificateViewing, downloading, and deleting a certificate Click Generate New CertificateSetting up IPSec Installing a CA certificateDisabling the AppleTalk protocol Using the EWSUsing the touch screen Kerberos Other settings and functionsNetwork Time Protocol Importing a Kerberos configuration file Security audit loggingUsing the touch screen Smtp settings MailSet E‑mail images sent as to Attachment Touch Fax Send Settings FaxSetting up a fax storage location optional User accessConfiguring security reset jumper behavior Creating user accounts through the EWSScenario 2 Creating groups based on device function Click Setup groups for use with internal accountsScenario 1 Creating groups based on department Click Add an LDAP+GSSAPI Setup Configuring LDAP+GSSAPIClick Settings Security Security Setup Internal Accounts General InformationSearch specific object classes optional Ldap Group NamesPage Configure PKI Authentication Configuring Common Access Card accessStart the authentication token application Page Modifying or deleting an existing security template For Access Control, select Solution‑specific access control Controlling access to device functionsConfiguring PKI Held Jobs Controlling access to device functions using the EWS Administrative MenusFunction Access ManagementDevice Solutions Unsupported USB Device error message TroubleshootingLogin issues Login screen does not appear when a Smart Card is insertedMake Sure the Kerberos File has Been Uploaded Users are unable to authenticateVerify the Date and Time on the Printer Make Sure the KDC is Available KDC did not respond within the required time error messageMake Sure the IP Address or Host Name of the KDC is Correct Make Sure Port 88 is not Blocked by a FirewallIncrease the Panel Login Timeout Interval Client Name unknown error messageLogin does not respond at Getting User Info User is logged out almost immediately after loggingLdap lookups fail almost immediately Ldap issuesLdap lookups take a long time and then fail There are no jobs available for User error message Held Jobs/Print Release Lite issuesUnable to determine Windows User ID error message Make Sure PKI Authentication is Setting the Correct User IDMake Sure ALL Jobs are Required to be Held Make Sure PKI Held Jobs is Installed and RunningJobs are printing out immediately Understanding the home screen Appendix a Using the touch screenUsing the on‑screen keyboard Shift Appendix B Acronyms Acronyms used in this guideAppendix C Description of access controls Access controlsBe ignored flushed when this function is protected Device Solutions Appendix D Using Common Access Cards Using a Common Access Card to access the printerLexmark Software License Agreement Page Page Index Page 3065326

X792DTE, 47B1000, X792DE, 47B1001 specifications

Lexmark is renowned for producing high-quality printers and multifunction devices that cater to a variety of business needs. Among its notable products are the Lexmark 47B1001 toner cartridge, the X792DE, and the X792DTE multifunction printers. These devices are designed to enhance productivity and efficiency in work environments, offering an array of features that stand out in the competitive landscape.

The Lexmark 47B1001 toner cartridge is specifically designed for use with the Lexmark X792DE and X792DTE printers. This cartridge is known for its impressive yield, providing high-quality prints while reducing overall printing costs. It employs advanced toner technology that ensures sharp text and vibrant images, making it ideal for both color documents and professional-grade presentations.

The X792DE is a versatile multifunction printer that combines print, copy, scan, and fax functions all in one robust device. It boasts a print speed of up to 55 pages per minute, allowing users to manage high-volume printing tasks efficiently. One of its standout features is a user-friendly touchscreen interface, which simplifies navigation and access to various functions. The printer supports a wide range of media sizes and types, from standard letter-size paper to larger formats, enabling versatile printing options for various business needs.

The X792DTE variant further enhances the capabilities of the X792DE by incorporating additional features such as advanced finishing options. This model can perform duplex printing and offers stapling, hole punching, and booklet creation, making it a perfect fit for businesses that require high-quality output with professional finishing touches. Additionally, both models support mobile printing through various platforms, ensuring that users can print documents directly from their smartphones and tablets seamlessly.

Both the X792DE and X792DTE utilize Lexmark’s award-winning color matching technology, which ensures consistency and accuracy in color reproduction across different print jobs. These printers are engineered for durability and reliability, featuring robust components that can withstand the rigors of daily use in a busy office environment.

In summary, the Lexmark 47B1001 toner cartridge, X792DE, and X792DTE multifunction printers represent a powerful combination of efficiency, quality, and versatility. With their impressive features and advanced technologies, they are well-equipped to meet the demands of modern businesses, helping to streamline workflows and enhance productivity in any office setting.
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