3 ] Head/Carriage Unit Drive And Purge Mechanisms - Brother MFC640CW Service Manual

[ 3 ] Head/carriage unit drive and purge mechanisms

Defective component
Head/carriage unit
Carriage motor
CR encoder strip
Ink cartridge PCB
Paper width sensor
- Any of the following images may appear on the
printout of sent, copied, or scanned data:
- The head/carriage unit will not be able to travel
normally.
- The following image may appear on the printout of
sent, copied, or scanned data:
- The head/carriage unit will not be able to travel
normally.
- Any of the following images may appear on the
printout of sent, copied, or scanned data:
- The "INK EMPTY XXX" message will appear even
though there is ink.
- Even though the ink has run out, the "INK EMPTY
XXX" message will not appear.
- A paper jam will occur.
- Print on the platen without paper.
9 - 4 3
Result Error codes
---
30, 31, 32,
33
30, 31, 32,
33
26, 27, 28,
29
84, 88
80
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