Brother MFC-J2320 Service Manual page 203

(6) Remove the CR timing belt from the Head/carriage unit.
CR timing belt
Note: When storing the removed Head/carriage unit for a long period, store the unit in
a Head casing as shown below. Leaving it out of the casing causes the head nozzles
and ink supply ports to dry up so that the Head/carriage unit can no longer provide the
original performance.
Head/carriage unit
Head/carriage
unit
Fig. 3-74
Latch
Fig. 3-75
3-73
Head casing (upper)
Joint cap
Head joint rubber
Head casing (lower)
Confidential