Wiring issue Light Sensor cable

Check / reseat the Light sensor cable on the bottom of the light source. Check/reseat the wire unit on the Light Sensor Interconnection Board (image) and on connector J6 on the Light source interconnection board (reference 2, image). To access both interconnection boards, remove the light source as seen in service procedure "Laser Phosphor Light Source".

If problem persists, replace the Light Sensor Interconnection Board. See procedure "Replacing the Light Sensor Interconnection Board".

Wiring issue light source interconnection board

Check / reseat the cable between connector J5 on the light source interconnection board on the bottom of the light source (reference 1, image) and connector J202 on the LCB. To access the interconnection board, remove the light source as seen in service procedure "Laser Phosphor Light Source".

Malfunction LCB

Replace the Laser Control Board (LCB). See service procedure "Replacing the Laser Control Board (LCB)"

Malfunction light source interconnection board

Replace the light source. See service procedure "Laser Phosphor Light Source".