FAULT FINDING AND REPAIR
20509 Issue 7 Jan 2018 4-9
Removing the Nozzle Plate
It may be necessary to remove the nozzle plate for cleaning if it becomes
blocked. This could occur after a period out of use, such as during repair or
after a long shutdown.
WARNING: The printer must be switched off before
removing the nozzle plate.
(1) Close the valve in the print head by turning the knob fully clockwise.
Place a container under the nozzle plate to catch escaping ink.
(2) Holding the nozzle in place, unscrew and remove the fixing screws.
Lift the nozzle plate off the head (do not slide it off).
(3) Clean the nozzle in an ultrasonic bath for 10 minutes using the
appropriate wash solution.
(4) Wet the O-Ring with wash solution and fit it into the O-Ring groove.
(5) Replace the nozzle plate and retaining screws.
(6) Open the valve at the print head by turning the knob clockwise.
(7) Bleed the head (see page page 4-8).
Note: If a new nozzle plate assembly is fitted, it may be necessary to
adjust the solenoids (see
page 3-9).
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