... 3. quality is very nice 4.used on wincor printer ND77 printer head is made in China, compared the original printher ... head,it is easier to take off , repair and ... 791,ML3390/3391,ML395,ML3410we also have pinset,print head cable,pin guide,paper guide,pick up roller,pressure roller ... help you.Thank youBest Regards,QiuMing Zeng ND77 printer head