Imperfect Cutter Function (Imperfect Material Cutting); Cutter Does Not Return - Brother HE-800B Service Manual

11-18. Imperfect cutter function (imperfect material cutting)

Items with a "*" in the "Page" column should only be handled by a qualified technician.
Cause
Cutter
Cutter solenoid
Solenoid stopper
Cutter bar guide

11-19. Cutter does not return

Items with a "*" in the "Page" column should only be handled by a qualified technician.
Cause
Cutter
Sticks in material
Cutter bar guide
Check
Installation position
cutter
Cutter blade
Damage to cutter
mechanism parts
Loose screws
Check for a disconnected
cord.
Nut
Cutter sensor position
Smoothness of cutter
operation
Check
Cutter blade
Needle plate
Smoothness of cutter
operation
of Install the cutter so that its edge is aligned with the top
of the needle plate.
・ If blade is worn or chipped, sharpen it or replace it.
・ Replace with the special needle plate (optional).
・Replace any parts that are damaged.
・Tighten any loose screws.
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.
Check if the nut is loose, and tighten it securely.
・Adjust the cutter sensor position.
・Check if the mounting screws are loose, and tighten
them securely.
4.5 ± 0.5 mm
Adjust the cutter bar guide so that the cutter operates
smoothly with no play.
If blade is worn or chipped, sharpen it or replace it.
Replace with the special needle plate (optional).
Adjust the cutter bar guide so that the cutter operates
smoothly with no play.
HE-800B
11. TROUBLESHOOTING
Remedy
Cutter sensor
Remedy
Page
95
INSTRUCTION
MANUAL CD
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INSTRUCTION
MANUAL CD
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4017Q
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Page
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INSTRUCTION
MANUAL CD
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