HP Color LaserJet Enterprise CP4020 Service Manual - Page 343
Finding important information on the configuration s, Color-band test, DIAGNOSTICS
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Finding important information on the configuration pages Certain information, such as the firmware date codes, the IP address, and the e-mail gateways, is especially helpful while servicing the product. This information is on the various configuration pages. Table 3-12 Important information on the configuration pages Type of information Specific information Configuration page Firmware date codes DC controller When you use the remote firmware upgrade procedure, all of these firmware components Firmware datecode are upgraded. Look on the main configuration page, under "Device Information." Look on the main configuration page, under "Device Information." Embedded Jetdirect firmware version Look on the embedded Jetdirect page, under "HP Jetdirect Configuration." Accessories and internal storage External disk (optional) All optional devices that are installed on the product should be listed on the main configuration page. Embedded HP Jetdirect In addition, separate pages print for the optional paper handling devices and the fax accessory. These pages list more-detailed information for those devices. Total RAM Duplex unit Look on the main configuration page, under "Installed Personalities and Options." Shows model and capacity. Look on the main configuration page, under "Installed Personalities and Options." Shows model and ID. Look on the main configuration page, under "Memory." Look on the main configuration page, under "Paper Trays and Options." Additional 500-sheet feeders Additional 500-sheet feeders Look on the main configuration page, under "Paper Trays and Options." Engine cycles and event logs Total page counts and maintenance kit counts are important for ongoing product maintenance. Engine cycles Look on the main configuration page, under "Device Information." The configuration page lists only the three most recent errors. To see a list of the 50 most recent errors, print an event log from the DIAGNOSTICS menu. Pages since last maintenance (print engine Pages since last maintenance (print maintenance count) engine maintenance count) Look on the main configuration page, under "Device Information." Event-log information Event-log information Look on the main configuration page, under "Event log." Color-band test The color-band test page shows bands of colors that can indicate whether or not the product is producing colors correctly. 1. Press the Home button. 2. Press the down arrow to highlight DIAGNOSTICS, and then press the OK button. 3. Press the down arrow to highlight COLOR BAND TEST, and then press the OK button. 4. Press the down arrow to highlight PRINT TEST PAGE, and then press the OK button. ENWW Tools for troubleshooting 311