Brother PR670E Operation Manual page 190

Troubleshooting
Basic guide for problems solving.
Maintenance
Instruction for maintaining your machine.
Example: To learn how to thread the upper thread
a Touch .
 The machine operations guide screen appears.
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b Touch .
c Touch
 The list of basic operations appears.
d Touch .
 The procedure for threading the upper thread
appears.
e Read the instructions.
• Touch to display the next page.
• Touch to display the previous page.
• and may appear in some pages. Touch these
keys to scroll up or down through the page.
f Touch may appear in some pages.
.