HP LaserJet Pro 400 Service Manual - Page 238
Open the secondary service menu, Secondary service menu structure
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Open the secondary service menu 1. Make sure the product is in the Ready state. 2. Touch the Setup button. 3. Simultaneously touch the Left Arrow button and the Cancel 4. Touch the Setup button. 5. Open the 2ndry Service menu. 6. Use the arrow keys to scroll through the menu. button. Secondary service menu structure Table 2-9 Secondary service menu Menu item Sub-menu item Service Reports Cont. Self-Test Extended Keymap (fax/ memory-card models only) Error Report Scan Calibration Calibrate Corrected Tables Test Location A list of available locations displays Dispaly Test Button Test Show Firmware Version Ethernet Reset (network models only) Description This item prints a continuous configuration page. This item prints an extended key map for the alphanumeric keypad on the control panel. This item prints an error report. This item calibrates the product. This item sets certain product parameters that are dependent on the location, such as the default paper size and the symbol set. Scroll to the appropriate location and select Yes to set the location. The product automatically restarts after you change the location. This test verifies that the LEDs and characters on the control-panel display function correctly. At the beginning of the test, each of the LEDs is turned on one-at-time. Touch OK to continue to the next LED. After the LED test is complete, the character test begins by testing the pixels on each line. Then, each of the 255 characters is displayed in groups of 16. Touch OK to continue to the next group of 16 characters. You can cancel the test at any time by touching Cancel . This test verifies that the control-panel buttons function correctly. The display prompts you to touch each button. This item shows the current date code of the firmware. This item resets the ethernet driver. This should be used when the network is not accessible. This is a low-level, internal reset and does not affect network settings. 212 Chapter 2 Solve problems ENWW