Lexmark CX922
After upgrading to firmware XX.081.205, the printer encounters a 900 error message with secondary crash code reason Watched process is no longer alive: com.lxk.ui.
Update to firmware 081.216. The necessary change was implemented in the Embedded Solutions Framework to fix a deadlock that caused this problem.
900 Firmware Error: reason ScanSetPowerState(LOW_PWR_SLEEP_START): rc=5
900 fax service crash with etherFAX setup and sending fax to non-etherfax numbers. The logs will also show the error message 900.00 Firmware Error @PROCESS /usr/bin/faxserviceapp