HP LaserJet Enterprise 600 Service Manual - Page 228
Engine diagnostics, Engine test button, Formatter test, Administration, Reports
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Engine diagnostics This section provides an overview of the engine diagnostics that are available in the HP LaserJet Enterprise 600 M601, M602, and M603 Series Printer product. The product contains extensive internal diagnostics that help in troubleshooting print quality, paper path, noise, component, and timing issues. Engine test button To verify that the product engine (all product components except the formatter, formatter DIMM, and the stacker or stapler/stacker) is functioning, print an engine-test page. Use a small, non-metallic, pointed object to depress the test-page buton, which is accessible through a slot in the right-side cover. Figure 3-1 Engine-test-page button The test page should have a series of horizontal lines. The test page prints from the last tray that you printed from. However, if the product has been turned off and then on again since the most recent print job, the page will print from Tray 2. NOTE: A damaged formatter might interfere with the engine test. If the engine-test page does not print, try removing the formatter and performing the engine test again. If the engine test is then successful, the problem is almost certainly with the formatter, the control panel, or the cable that connects them. Formatter test To check that the formatter is working, print a configuration page. 1. Press the Home button. 2. Open the following menus: ● Administration ● Reports ● Configuration/Status Pages 3. Scroll to the Configuration Page item, and then press the OK button. 4. Scroll to the Print item, and then press the OK button. 204 Chapter 3 Solve problems ENWW
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