Service Procedures6H4866-02 85W0 Sensors Replacement (Top/Receiver and Bottom/Transmitter)IntroductionLaser WarningWhen a service operation is taking place with the cover removed, disconnect the Laser according to the procedurein “Laser Board Replacement” on Page 54. If the Laser must be activated during the service procedure, wearprotective safety glasses at all times.Top W0 Sensor in the DrumThe W0 Sensor:• is divided into two parts: the Receiver on top and the Transmitter below.• identifies when a Screen is inserted or ejected from the systemTools Required• Replacement top receiver W0 Sensor• Replacement bottom transmitter W0 Sensor• 2.5 mm Allen wrench• 2.5 x 100 mm cable ties• CutterRemoving the Top W0 Sensor[1] Disconnect the Scanner from the main power.[2] Remove the Service Panel and Scanner Cover. (See “Removing the Service Panel and Scanner Cover” onPage 41.)[3] Reveal the W0 Sensor in the Drum by moving the PM assembly to the right using the back of the Linear Motor.W0 SensorPM moved tothe right of the Drum
