Its lifespan doesn’t depend on batteries but rather on its production quality. So, it will gradually wear out even though it isn’t similar to an electronic device. This type of sensor goes wrong due to heavy usage over time.
This means that it can accumulate dust and build up over time so it won’t work properly.Īlso, if your paper shredder has been exposed to water or any other liquid then this type of sensor might fail as well due to rusting which causes the metal parts to wear out more quickly than they should. The main reason why the photo-type auto start/stop sensor fails is because of dirt. What causes a paper shredder sensor to stop working? Photo-type Sensor: You will now be able to see all photo sensors/mechanical sensors clearly because they will no longer be obscured by anything over them. When looking at your automatic feed opening (mouth), slide out any cartridges that happen to be there – or open up/lift off any covers that may cover sensors (if removable). It can also be hidden by a sliding cartridge if your machine has one.
Where the Mechanical Type Sensor is usually located at the top of a shredder. The Photo Type Sensor is located in the very center of the mouth of the shredder, just below where paper is inserted. So do not ever disable these sensors – you can use them if needed – but make sure they are maintained regularly so that they work efficiently and the machine is safe to use. No matter which type of sensor your machine has installed, the priority should always be safety first because, without these useful sensors, people will be exposed to dangerous accidents including injuries or even worse consequences. With this in mind, try to replace the old one with a new photo sensor for better safety and performance. However, it has many disadvantages such as its sensitivity level decreases over time. It will depress when papers are on the tray so that it signals the machine to start shredding.Īfter the shredding is completed the metal part will be at its place and the paper shredder will stop shredding. This type of paper shredder sensor usually consists of a metal part that detects the paper. Moreover, the photosensor is more efficient than the mechanical one because it covers almost half of the opening area. It consists of a light source (LED) and a detector, which can be easily identified with its black color. This type of paper shredder sensor is most widely used in most modern and quality paper shredders. If there is no sensor then it’s a mechanical type because without a light beam/automatic start/stop sensor in front of the blades, the shredder will never work at all. Secondly, determine if there are sensors in front of the cutting blades or not. How do Identify which type of Sensor is in your paper shredder?įirst, turn off your shredder and unplug it from the outlet. With this in mind, find which type of sensor is used in your machine when determining where the sensor is located. There is no difference in functionality between the two types they simply work differently. So, if the machine detects an interruption in this beam of light, which means that there is paper in front of it, then the motor will start working. This beam is adjusted between the shredding blades so it can detect when there is paper in front of it or not. The auto-start/stop system consists of a light beam/photo sensor, which consists of a beam of light with a light detector.
The most common kind of sensor is a photo/automatic start/stop sensor is one of the useful features in any paper shredder because it automatically starts working when there is paper inside it and stops working when there isn’t any more paper left inside the machine for shredding. How does the Auto Start/Stop Sensor Works? It automatically starts working when the paper is detected in it and stops working when there isn’t any more paper left inside the machine for shredding. The auto-start/stop sensor is a modern safety feature that protects people from accidents and also prevents damage to the motor.
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