Brother International HE-800B Instruction Manual - English - Page 100

Imperfect cutter function (imperfect material cutting), 11-19. Cutter does not return

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11. TROUBLESHOOTING 11-18. Imperfect cutter function (imperfect material cutting) Items with a "*" in the "Page" column should only be handled by a qualified technician. Cause Check Remedy Cutter Installation position of Install the cutter so that its edge is aligned with the top cutter of the needle plate. Cutter blade ・ If blade is worn or chipped, sharpen it or replace it. ・ Replace with the special needle plate (optional). Damage to mechanism parts Loose screws cutter ・Replace any parts that are damaged. ・Tighten any loose screws. Cutter solenoid Check for a disconnected Check that cutter sensor connector P7 on the main cord. P.C. board and cutter solenoid connector P2 on the cutter P.C. board are properly connected. Solenoid stopper Nut Check if the nut is loose, and tighten it securely. Cutter sensor position ・Adjust the cutter sensor position. ・Check if the mounting screws are loose, and tighten them securely. 4.5 ± 0.5 mm Cutter sensor Page 67* * * 10* * * Cutter bar guide 4017Q Smoothness of cutter Adjust the cutter bar guide so that the cutter operates operation smoothly with no play. * 11-19. Cutter does not return Items with a "*" in the "Page" column should only be handled by a qualified technician. Cause Check Remedy Cutter Cutter blade If blade is worn or chipped, sharpen it or replace it. Sticks in material Needle plate Replace with the special needle plate (optional). Cutter bar guide Smoothness of cutter Adjust the cutter bar guide so that the cutter operates operation smoothly with no play. Page * * * 91 HE-800B

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HE-800B
11. TROUBLESHOOTING
91
11-18. Imperfect cutter function (imperfect material cutting)
Items with a “*” in the “Page” column should only be handled by a qualified technician.
Cause
Check
Remedy
Page
Installation
position
of
cutter
Install the cutter so that its edge is aligned with the top
of the needle plate.
67*
Cutter blade
・
If blade is worn or chipped, sharpen it or replace it.
・
Replace with the special needle plate (optional).
*
Cutter
Damage
to
cutter
mechanism parts
Loose screws
・
Replace any parts that are damaged.
・
Tighten any loose screws.
*
Cutter solenoid
Check for a disconnected
cord.
Check that cutter sensor connector P7 on the main
P.C. board and cutter solenoid connector P2 on the
cutter P.C. board are properly connected.
10*
Nut
Check if the nut is loose, and tighten it securely.
*
Solenoid stopper
Cutter sensor position
・
Adjust the cutter sensor position.
・
Check if the mounting screws are loose, and tighten
them securely.
*
Cutter bar guide
Smoothness
of
cutter
operation
Adjust the cutter bar guide so that the cutter operates
smoothly with no play.
*
11-19. Cutter does not return
Items with a “*” in the “Page” column should only be handled by a qualified technician.
Cause
Check
Remedy
Page
Cutter
Cutter blade
If blade is worn or chipped, sharpen it or replace it.
*
Sticks in material
Needle plate
Replace with the special needle plate (optional).
*
Cutter bar guide
Smoothness
of
cutter
operation
Adjust the cutter bar guide so that the cutter operates
smoothly with no play.
*
4017Q
Cutter sensor
4.5
±
0.5 mm