Brother MFC5100C Service Manual page 48

(8) Pull the head clamp springs in the direction of arrows
head unit.
(9) Lift the print head unit up and out of the carriage (arrow
NOTE: Do not touch the printing ends (nozzles) of the print head unit or the ink orifices of
the ink cartridges; doing so will not only stain your hands with ink but result in an ink jet-out
failure. Once you touch them, clean them with a dedicated cleaning stick and liquid.
NOTE: Be sure to put a head nozzle seal and filter seal on the print head unit as shown below.
Leaving the print head unit without those seals will dry up its printing ends and filters,
resulting in a damaged head.
NOTE: Do not touch the dimple contact section of the print head unit.
).
4 -7
shown below to release the print
Correct
Wrong
Wrong