Brother MP-21C Service Manual page 130

(11) MOBLEPAD instructs you to replace the IL cartridges BC and MY with the Ink
ejection cartridges BC and MY. Then click the OK button on the MOBLEPAD
in order to drain the Initial liquid out of the printer.
Ink ejection cartridge BC
Waste ink tube
(12) Upon finishing above operation, the Print head moves fully to the right hand
side of the printer automatically. Check if the Encoder strip is contaminated
with ink, oil or dust. If the Encoder strip is contaminated, clean it with the
Head cleaner stick.
(13)Place a Clean wiper head next to the ink suction cap as shown below.
Head protector cap
Ink suction cap
Ink ejection cartridge MY
Waste ink bottle
Fig. B.6
Fig. B.7
B-4
Print head
Cleaner