3. Once you have selected a Life Counter to reset, the following message will be displayed on the Front Panel. Press the Enter key to reset the selected Life Counter or press Back / Cancel to exit without resetting the Life Counter. If the Usage Counter information cannot be read, the Front Panel will display “Unable to get usage counter”. This could point to a possible Firmware error. 4. If the utility exits correctly, OK will be displayed on the Front Panel. 5. Diagnostic Print The purpose of this Service Utility is to print the Diagnostic Print in order to identify image quality problems. Print the Diagnostic Print as follows: 1.
In the Service Utilities submenu, scroll to “Diagnostic Print” and press Enter . 2. You will be given an option to either print the “Image Quality User Plot”, the “Image Qual. service normal”, the “Image Qual. service best”, or “Others”. Use the Arrow keys to make the selection and press the Enter key to start printing the required Diagnostic Print. Tests and Utilities If you select “Others” you will be given a submenu to select the required diagnostic plot: If the OMAS sensor is enabled the printer will display a message: Do you want to disable the OAMS sensor? Select Yes or No . 140 Chapter 4 Service Tests and Utilities