Xerox C2424 Service Manual - Page 139

39,005.43 "Scanner Missing" Troubleshooting Procedures Step Questions and Actions Yes No 1 1. Reseat the scanner cable connection, verify Complete. the scan head lock is in the unlocked postion and reboot the sytem. 2. Did this correct the problem? Go to Step 2. 2 1. Open the rear access cover to the Replace the electronics module and look for the red LED scanner on the image processor controller board (to assembly. locate the appropriate LED see the diagram on page 4-71. 2. Is the red LED on solid, (not blinking)? Go to Step 3. 3 1. Is the red LED blinking? Go to Step 4. Go to Step 6. 4 1. Remove the side covers and disconnect both Replace the exit Go to Step 5. exit module (MEP) motors. module or 2. Does the red LED come on solid? defective motor. 5 1. Leave the exit module motors disconnected Replace the and disconnect the document feeder document assembly. feeder. 2. Does the red LED come on solid? Go to Step 7. 6 1. Is the LED off? Replace in the following order: ■ scanner power supply ■ electronics module Go to Step 7. 7 1. Disconnect the scanner assembly. 2. Does the red LED come on solid? Replace the scanner assembly. Replace in the following order: ■ MEP control board. ■ Scanner power supply ■ electronics module Error Messages and Codes 3-47