Brother MFC640CW - 4 ] Print Head Mechanism

9-44 Confidential
Defective component Result Error codes
Maintenance unit
Head caps or
wiper
- Any of the following images may appear on the
printout of sent, copied, or scanned data:
---
Purge pump
- The purge pump will not draw out ink from the head
nozzles.
---
Purge cam switch
- The purge cam switch will not detect the purge cam
ON/OFF timing.
50, 51, 52
[ 4 ] Print head mechanism
Defective component Result Error codes
Head/carriage unit
- Any of the following images may appear on the
printout of sent, copied, or scanned data:
---