5-7
5.5 Shutoff valve (MV9) replacement
1 Depressurize the printer.
2 Remove the head cover and
the heater cover.
3 Disassemble the shutoff
valve connector.
4 Remove the nozzle lead wire
and the air purge tube.
5 Remove Screw A(1 location)
and remove the coupling cover.
6 Remove Screw B(1 location)
and Screw C(2 locations).
Remove MGV holder and
nozzle-In Joint holder.