User Manual - Page 190

For PR670E / PR670EC.

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188
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.
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.
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