User Manual ALS 20x/256/27207/2017 | 01 68Regular maintenanceThe label dispenser is designed to be maintenance-free. However, you should service the unit reg-ularly in order to ensure reliable long-term operating results.Removing paper debrisDepending on operating conditions, you should perform the following at least once a week: Wipe the paper residue from the rollers and edges. Clean the sensor lenses with a soft brush or cloth.Deflexion rollersGlue from the label material may adhere to the deflexion rollers. Moisten a clean cloth with cleaning solvent and wipe off the dirty deflexion rollers [68B] with it.Rubber rollersGlue from the label material may adhere to the rubber rollers. Moisten a clean cloth with roller cleaner and wipe off the dirty rubber rollers [68A] with it.Renewal of the dust filter liner (ALS 256/ALS 272)In case of overheating the machine, the error message „5026 MotorProtect CPU“ appears, see Listof error messages on page 71. Screw out the four thumb screws [69A]. Remove the filter cover [69B]. Replace filter liner (article no. A8697). Assemble the filter cover and fix it using the thumb screws.[69] Dust filter at an ALS 256/ALS 272.A Thumb screwsB Filter coverCAUTION!An exhausted filter liner can cause the machine to overheat and to break down. Replace the filter liner regularly, at least in monthly intervals.AAAAB