Brother KE-430HX Service Manual page 189

Cause
Fixed knife Cutting quality of fixed knife
Installation position of the
fixed knife
Skipped stitches
Skipped stitches at the final
stitch
Check
Remove the needle plate, thread the needle hole plate,
and then move the movable knife (1) as shown in the
illustration and check that it trims the thread cleanly.
If it does not trim the thread cleanly:
・ Adjust the position of the fixed knife. (Refer to the
next section.)
・ Sharpen the fixed knife.
・ Replace the fixed knife assembly.
* Use the KE-430H/BE-438H fixed knife assembly.
Check that the fixed knife is installed in the position
shown in the illustration.
Refer to "13-2. Skipped stitches".
KE-430HX/KE-430HS, BE-438HX/BE-438HS
Remedy
For -5 specifications : 0.3 mm
Except for -5 specifications : 0.1 mm
13. TROUBLESHOOTING
Page
139*
4078B
128*
4079B
173
178