Lexmark C750 Service Manual - Page 215

5060-00x Reset Calibrat. The Reset Calibration resets the TPS NVRAM values when initiated. 1. Select Reset Calibration from the Printer Setup Menu and the following screen displays: Printer Setup Reset Calibration Then the following screen is displayed: Resetting Calibration 2. The printer returns to the previous screen when calibration is complete. Page Count The printer's page count can be changed by the Diagnostics Mode. The Color and Mono Page Count can be changed whenever the paper size sensing board is replaced. Note: The Perm Page Count cannot be changed. 1. Select Page Count from the Printer Setup Menu. 2. Select either Color Page Count, Mono Page Count or Perm Page Count from the menu. When you have made the selection, the following screen is displayed: Color Page Count =1234567* 3. The left most digit blinks, indicating it is the first digit to be changed. To change the value, press either 4. 5. 6. Menu until the desired value is displayed. Press Select to move to the next digit. The digit blinks. Continue modifying each digit using this method. To skip a digit and keep its current value, press Select. When you have completed selecting the final digit, press Select and the count is stored in NVRAM. Press Return to return to the Printer Setup Menu. Select a new test or select Exit Diagnostics from the Diagnostic Menu. Perm Page Count The permanent page count can only be viewed from the operator panel and cannot be changed. 1. Select Perm Page Count from the menu. 2. The following screen will be displayed when permanent page count is selected: Perm Page Count =1234567* 3. Press Return to return to the Printer Setup Menu. 4. Select a new test or select Exit Diagnostics from the Diagnostic Menu. Serial Number You can view the serial number. Engine Setting x Warning: Should not be changed without specific instructions from the next level support. Diagnostic aids 3-31