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