Introduction
This guide will replace the filter in the iRobot Roomba 860, this is a quick and simple guide. No tools and prior knowledge is needed for this repair. I would recommend a flat and clean surface to work on. Also be aware that you can get dirty while doing this repair.
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            Orient the Roomba so that the device is on its wheels and the words can be read from left to right. 
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            Press the large button on the Roomba that is located closest to you. 
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            Pull towards you to remove dust bin. 
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            Now place dust bin flat with the large button towards you. 
 
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            With the dust bin completely detached from the Roomba, press the tab that is located on your right. 
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            Now lift red plastic cover to begin removing the filter. 
 
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            Using the yellow ribbon that is located at the top of the filter, pull it towards you. 
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            Carefully remove the used filter. 
 
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To reassemble your device, follow these instructions in reverse order.