Brother International HE-800B Instruction Manual - English - Page 101

Cutter and upper thread trimmer touch, 11-21. Seam is cut

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11. TROUBLESHOOTING 11-20. Cutter and upper thread trimmer touch Items with a "*" in the "Page" column should only be handled by a qualified technician. Cause Check Remedy Upper thread trimmer Check if the cam opens the stop plate. Adjust the cam position. * If the feed mechanism operates when the cam has not opened the stop plate, the cutter will bump against the upper thread trimmer. Page 69* 4018Q 11-21. Seam is cut Items with a "*" in the "Page" column should only be handled by a qualified technician. Cause Check Remedy Setting the length of Length of the hole the hole Set parameter number 02 to the same value as the length of the cutter being used. Setting the cutter Cutting of zigzag seam spacing ・ Use parameter number 04 to set the cutter X space. ・ Use parameter number 03 to set the correction of the cutter X position. Cutter Cutter play Cutter knife bending Adjust the cutter bar guide so that the cutter operates smoothly with no play. Use the cutter holder (option) to prevent the cutter knife from becoming bent. Page 35* 35* * * 4019Q HE-800B 92

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HE-800B
11. TROUBLESHOOTING
92
11-20. Cutter and upper thread trimmer touch
Items with a “*” in the “Page” column should only be handled by a qualified technician.
Cause
Check
Remedy
Page
Upper thread trimmer
Check if the cam opens the
stop plate.
Adjust the cam position.
*
If the feed mechanism operates when the cam has
not opened the stop plate, the cutter will bump
against the upper thread trimmer.
69*
11-21. Seam is cut
Items with a “*” in the “Page” column should only be handled by a qualified technician.
Cause
Check
Remedy
Page
Setting the length of
the hole
Length of the hole
Set parameter number 02 to the same value as the
length of the cutter being used.
35*
Setting
the
cutter
spacing
Cutting of zigzag seam
・
Use parameter number 04 to set the cutter X space.
・
Use parameter number 03 to set the correction of
the cutter X position.
35*
Cutter play
Adjust the cutter bar guide so that the cutter operates
smoothly with no play.
*
Cutter
Cutter knife bending
Use the cutter holder (option) to prevent the cutter
knife from becoming bent.
*
4018Q
4019Q