Xerox C2424 Service Manual - Page 218

Scanner Scanhead Does Not Move 1. Verify the scanhead shipping lock is in the "unlocked" position. Reboot the system. 2. Is there power to the scanner assembly? Lift the document feeder and verify the document feeder lamp is on. If so, the scanner power supply is operating correctly. 3. Verify the scanner power supply, see "Verifying Scanner Power Supply Operation" on page 4-70. 4. Replace the scanner assembly. Scanhead Motion is Not Smooth and Continuous 1. Verify the scanhead shipping lock is in the "unlocked" position. Reboot the system. 2. Run the service diagnostics test "Exercise Axis Motion" and observe the motion of the scanhead, paying special attention to anything that could be obstructing the scanhead motion. 3. If there is no scanhead motion, replace the scanner assembly. Scanner Lamp Does Not Turn On 1. Is there power to the scanner assembly? Lift the document feeder and verify the scanhead moves. If so, the scanner power supply is operating correctly. 2. Is there power being to the scanner power supply? See, "Verifying Scanner Power Supply Operation" on page 4-70 3. Replace the scanner assembly. Control Panel is Malfunctioning Note Make sure to connect the scanner cable properly to the electronics module. 1. Control panel appears to be frozen or the buttons are not working. a. If the system is currently powered on and frozen, open then close the front door of the system and see if the control panel responds. b. If system appears functional after operating the door, advise client that failure may have been due to an ESD event. Thoroughly test system for any other problems. c. Skip the rest of this section if the system now appears functional, otherwise continue troubleshooting. 4-60 WorkCentre C2424 Service Manual