HP LaserJet Pro CM1415 HP LaserJet Pro CM1410 - Software Technical Reference - Page 144
Control-panel diagnostics, Engine Diagnostics, Engine test, Test the control-panel display
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Product state Ready light state Error message Off Fatal error (49 or 79 error)1 On 1 The product restarts after one of these errors occurs. Attention light state Blinking On Control-panel diagnostics The product includes diagnostic tests for the control panel. Test the control-panel display 1. Touch the Setup button. 2. Touch the left arrow button , and then quickly touch the Cancel button. 3. Touch the Setup button to return to the main menus. 4. Open the 2ndary Service menu. 5. Open the Display test menu. Test the control-panel buttons 1. Touch the Setup button. 2. Touch the left arrow button , and then quickly touch the Cancel button. 3. Touch the Setup button to return to the main menus. 4. Open the 2ndary Service menu. 5. Open the Button test menu. Engine Diagnostics Engine test 1. With the product off, open the front and rear doors. 2. Turn the power on, and close both doors within ten seconds. 3. An engine test page (a page containing multiple horizontal colored lines) will print. 124 Chapter 6 Solve problems ENWW
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