HP Officejet J3680 All-in-One Printer - Manual (Page 169)

Notice to users in Japan about the power cord
RoHS notices (China only)
Toxic and hazardous substance table
Noise emission statement for Germany
Geräuschemission
LpA < 70 dB am Arbeitsplatz im Normalbetrieb nach DIN 45635 T. 19
Notice to users in Japan about the power cord 165