Hitachi RX Technical Manual page 115

Install the nozzle orifice.
2
● Hold the nozzle holder by the Nozzle-Tool B and mount the nozzle orifice after cleaned by
the Nozzle-Tool A.
Nozzle-tool B
● Tighten the nozzle orifice until it will not
turn any farther.
When the wrench is used, which is available
on the market, use the wrench as shown
below.
When using the wrench on the market,
select 8mm width.
3
6-10 ●How to correct ink stream bending and nozzle clogging
Nozzle-tool A
Rotate
8mm
Return the nozzle holder to its original position and tighten the set
Set screw
PRECAUTIONS
● Do not touch the ejection port of the nozzle
orifice.
● Seal plate has two sides.
Front side is marked with dents.
Mark
● Make sure to attach the seal plate with marked
surface visible from front (front facing position).
● When replacing the nozzle orifice, seal plate
should be replaced at the same time.
Nozzle orifice and seal plate should always be
used in a pair.
Nozzle holder
Ejection port
Front Back
Seal plate
Mark