HP LaserJet 4250 Service Manual - Page 335

Diagnostics menu Administrators can use this menu to isolate parts and to troubleshoot jam and print-quality issues. The following section lists the settings and their possible values in the DIAGNOSTICS menu. The default value for each setting is the one that has an asterisk (*) next to it. Table 7-4 Diagnostics menu Item PRINT EVENT LOG SHOW EVENT LOG PAPER PATH TEST ■ PRINT TEST PAGE ■ SOURCE ■ DESTINATION ■ DUPLEX ■ COPIES Values No values available No values available No values available ■ PRINT TEST PAGE ■ SOURCE ■ ALL_TRAYS ■ TRAY 1 ■ *TRAY 2 ■ TRAY Explanation Press (SELECT button) to generate a list of the 50 most recent entries in the event log. The printed event log shows the error number, page count, error code, and description or personality that was in use when the event occurred. Use (UP ARROW button) or (DOWN ARROW button) to scroll through the event log contents. Generate a test page, which is useful for testing the paper-handling features of the printer. Press (the SELECT button) to start the paper-path test that uses the source (tray), destination (output bin), duplex, and number of copies settings that you set in the other items on the Paper Path Test menu. Set the other items before selecting PRINT TEST PAGE. Select the tray for the paper path that you want to test. You can select any tray that is installed. Select ALL_TRAYS to test the paper path for every tray. (Paper must be loaded in the selected trays.) ■ DESTINATION ■ ALL BINS ■ *STANDARD ■ OUTPUT ■ OPTIONAL BIN 1 Select the output bin for the paper path that you want to test. You can select any output bin that is installed. Optional bins (stacker or stapler/stacker bin) must also be correctly configured. Select ALL BINS to test the paper path for every bin. Control-panel menus 321