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Lexmark X792

Lexmark X792

900.00 Firmware When Faxing with the Secondary Crash Code: Number of Caller ID Log Entries Greater Than 40


hat you will see

Corrupt Call ID information results in and 900.00 firmware error and with the following secondary crash code:

@PANEL 900.00 Firmware Error 1805 ModemNotifyTask 0500-0000 lxkfax/pssd/custom/faxsys.c-733:t30logenc.c 546: Number of caller ID log entries greater than 40.

Affected products

This issue was first seen on the X65x Series of MFPs, however, it is possible this issue may be seen on printers with similar firmware architecture.


Check your printer's latest to identify this fix. Otherwise, contact Lexmark Technical Support to request PE firmware LR.MN.P715 or greater, or request that this firmware be made available for your printer.

Still need help?

If you need additional assistance, please close this window, go to your product's support page and locate Get In Touch with Lexmark! for contact information.

When calling for support, you will need to provide your printer model/machine type and serial number ( SN). Please be near the products described in this article to expedite the support process and reduce call-back situations.


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