How to fix error code 51 on Brother printers

Here are some solutions to fix the error code 51 on Brother printers. Generaly, it's a problem of the purge unit.

Solution 1:

• The encoder strip may be dirty.
• Clean it with a soft chloth.
  

Solution 2:

• Verify that the ink aborber felt is in good place. If necessary lightly press it.

Solution 3: a part is defective

• Maintenance Unit
• Engine Motor
• Internal power
• Mainboard