April 20178-9Xerox® VersaLink® B7025/B7030/B7035 Multifunction PrinterProduct Technical OverviewLaunch IssueUser InterfaceThe user interface (UI) displays the state of the printer via the LCD touch screen and LEDmachine status display. The UI enables operation the device by means of the touch screen andbuttons. Refer to Figure 1.The UI speaker generates synchronised operational sounds for the UI. The UI speaker isattached to the side of the main device.The user interface (UI) consists of the components that follow:• LCD touch screen.• Power button.• Home button.• LED machine status display.• Near field communication receiver.NOTE: The UI assembly, PL 2.05 Item 7 is replaced as a single item. The components withinthe UI are not accessible.Figure 1 User interfaceMachine Run ControlOverviewThe main functions of run control are to:• Perform self-testing at power on to verify the communication status between PWBs.• Monitor and control the operation of the base machine and the installed options during allpower states.• Detect, log, and report faults.• Communicate with the user through the user interface.ESS PWBThe primary functions of the ESS PWB are as follows:1. Receives image (video) data from the input module (IIT or DADF)2. Processes this data based upon the user's requests (made at the user interface or aremote PC/server)3. Sends the processed image data to the LPH to be written to the photoreceptor.4. Sends printing, paper supply, and finishing requests to the drive PWB.The ESS PWB, PL 3.10 Item 6, connects to the UI, DADF PWB, drive PWB, HDD, fax andPWS.Power buttonHome button
