33Clean the printerFor the best print results, it is important to keep the Ultimaker 2+ clean while using it. It is not advised to use the Ultimaker2+ in a room where it can easily be covered with dust. It is also important to regularly remove small pieces of material thatmight be in the printer. Some parts of the Ultimaker 2+ might require more regular cleaning.Glass plateAfter printing, there might be excess glue stuck to the glass plate, which can cause an uneven print surface. Alternatively,removing a print may reduce the adhesion quality of the layer of glue. Therefore it is advised to regularly clean the glassplate and re-apply glue.Before starting a new print, always check the surface of the glass plate. At least once a month, clean the plate thoroughlyby following these steps:1. Manually position the build plate at the bottom Ultimaker 2+.2. Remove the glass plate from the build plate.3. Clean the glass plate using lukewarm water and a sponge to remove any glue layers. If necessary, you can also usesome soap or detergent.4. Dry the glass plate with a clean cloth.5. Place the glass plate back onto the build plate and close the build plate clamps at the front to secure it in place.NozzleWhile using the Ultimaker 2+, material can accumulate around the nozzle. Although this will not damage your printer, it isrecommended to try keeping the nozzle clean, in order to achieve the best print results.Before starting a new print, always check the nozzle. At least once a month, remove the plastic from the outside of thenozzle by taking the following steps:1. Navigate to Maintenance g Advanced g Heatup nozzle and rotate the button to set the temperature to 150 °C.2. When the nozzle is hot, carefully remove the material with tweezers.Do not touch the nozzle and be careful while cleaning it as it will become hot.