Brother MP-21C Service Manual page 64

<Reassembly>
Note: Be sure to slightly push the Print head towards the front of the printer, when
securing the Print head with the screws.
< Back of the printer >
< Front of the printer >
(4) Insert the Print head into the Nozzle protector.
Note: Check that the Print head is fitted correctly in the Nozzle protector.
Print head
Nozzle protector
<Reassembly>
Note: Check that the Carriage guide is fitted in the groove of the Carriage ASSY.
Refer to Fig. 3.12.
PUSH
Print head
Fig. 3.13
III-11
PR99066