HP Color LaserJet 9500 Service Manual - Page 83

Diagnostics menu Note ENWW If the printer or MFP is in a product-checking state (for example, during an engine rotation or when coming out of sleep mode) you must wait before attempting to start a diagnostic. You can use this submenu to isolate parts, and to troubleshoot jam and print-quality issues. See "Engine diagnostic tools" on page 337 in chapter 7 for more information about using these diagnostic tools. Table 34. Diagnostics menu Item Values Explanation PRINT EVENT LOG Prints a page that indicates Use this item to generate a localized FIFO (first in, first out) the most recent printer errors. list of the 50 most recent entries in the error log. The printed event log shows the error number, page count, error code, and description or personality. SHOW EVENT LOG Displays on the control panel Use this item to scroll through the contents of the event log a list of the most recent at the control panel, and to show the 50 most recent events. printer errors. Use and to scroll through the event log contents. PQ TROUBLESHOOTING Prints a series of pages that are useful to identify print quality problems (follow the printed instructions). Use this item to print eight pages to help you identify printquality problems. The eight pages consist of two pages of instructions, one page for each color (cyan, magenta, yellow, and black), one demo page, and one configuration page. DISABLE Prints with one or more CARTRIDGE CHECK image drums removed. Use this item to isolate defective cartridges by first removing specific image drums, and then printing internal pages or a print job using the remaining image drums. PAPER PATH TEST PRINT TEST PAGE SOURCE DESTINATION DUPLEX COPIES SENSORS NOTE The MFP does not use the sensors option in this test. To test MFP sensors, see PAPER PATH SENSORS for the HP LJ 9500mfp in this table. Use this item to generate a test page that is useful for troubleshooting the printer's paper-handling features. Define the test based on the media source, the output destination, duplex ON or OFF, the number of copies, or if the paper-path sensor status appears on the control panel during the test by selecting any of the options, and then select PRINT TEST PAGE to perform the test. If the SENSORS value is selected, the status of the following sensors appears on the control panel (SENSORS is not an available selection for an MFP; for an MFP, see SENSOR TEST in this table): z A: Tray 2 feed A z B: Tray 2 feed B z C: Tray 3 feed A z D: Tray 3 feed B z E: Pre-registration z F: Pre-T2 z G: Pre-fuser z H: Fuser outlet z I: Duplex reverse z J: Duplex feed z K: Face-down output 3 Product configuration 81