Skip to content
Home
Product
FLAT BED
HIGH POST
CYLINDER BED
OPTIONAL SPARE PARTS
APPLICATION
AUTOMOTIVE
UPHOSLTERY
BAG/LUGGAGE
OTHERS
SERVICE&SUPPORT
TRAINNING
DOWNLOAD
News
About Us
Contact Us
Home
Product
FLAT BED
HIGH POST
CYLINDER BED
OPTIONAL SPARE PARTS
APPLICATION
AUTOMOTIVE
UPHOSLTERY
BAG/LUGGAGE
OTHERS
SERVICE&SUPPORT
TRAINNING
DOWNLOAD
News
About Us
Contact Us
TRAINNING
Home
TRAINNING
TRAINNING
How to set needle positioning
how to adjust backtacking sewing speed
How to adjust hook oil on 669
How to recovery system
software upgrade
Bobbin thread alarm adjustment
some timing settings
Language setting
Solution if bobbin thread can’t go out at beginning sewing
