5before changing material and before disassembly.• Risk of crushing when closing the cover. Touch the cover at the outside only. Do not reach into the swivel range ofthe cover.• Perform only those actions described in this operating manual.Work going beyond this may only be performed by trained personnel or service technicians.• Unauthorized interference with electronic modules or their software can cause malfunctions.• Other unauthorized work on or modifications to the device can also endanger operational safety.• Always have service work done in a qualified workshop, where the personnel have the technical knowledge andtools required to do the necessary work.• There are various warning stickers on the device. They draw your attention to dangers.Warning stickers must therefore not be removed, as then you and other people cannot be aware of dangers andmay be injured.• The maximum sound pressure level is less than 70 dB(A).Danger!Danger to life and limb from power supply. Do not open the device casing.1.4 Environment Obsolete devices contain valuable recyclable materials that should be sent for recycling. Send to suitable collection points, separately from residual waste.The modular construction of the printer enables it to be easily disassembled into its component parts. Send the parts for recycling.The electronic circuit board of the device is equipped with a lithium battery. Take old batteries to collection boxes in shops or public waste disposal centers..1 Introduction