AIR 1800
![]() |
FAQs & Troubleshooting |
The knife does not cut fabric.
-
Probable cause
Blade worn.
Remedy
When the knives no longer cut fabric, they must be replaced. To replace the knife with a new one, contact your authorized Brother dealer.
-
Probable cause
The knife lock lever set to lock knife.
Remedy
Move the knife lock lever to unlock the knife.
For details on unlocking the upper knife, refer to "Locking and unlocking the upper knife".
Content Feedback
To help us improve our support, please provide your feedback below.