HP LaserJet 9000 HP LaserJet 9000mfp and 9000Lmfp - User Guide - Page 254

F Administration tasks 254 Diagnostics menu System administrators can use this menu to isolate parts, and to troubleshoot jam and quality issues. Item PRINT EVENT LOG Values SHOW EVENT LOG SET PAPER PATH TEST SERVICE TEST SCANNER TESTS CONTROL PANEL Explanation Generates a localized LIFO (last in, first out) list of the 50 most recent entries in the error log. The printed event log shows error number, page count, error code, and description or personality. Allows the system administrator to scroll through the contents of the event log from the control panel, and shows the 50 most recent events. Generates a test page that is useful for testing the paper-handling features of the product. Engine tests access portions of the product internal diagnostics that occur when the product is turned on. These diagnostics are available as tools to help isolate problems that are not reported by the firmware. Allows the system administrator to perform a variety of tests on the scanner if a problem occurs. The system administrator works in conjunction with a service technician to perform the scanner tests. Allows the system administrator to perform tests on the control panel display if a problem occurs. The system administrator works in conjunction with a service technician to perform the control panel display tests. Diagnostics menu