MAINTENANCE PROCEDURES
3-6 20509 Issue 7 Jan 2018
2000HR MAINTENANCE
Access to the Cabinet and Print Heads
The cabinet cover is lifted off after removing the four securing screws.
Note: The cover has a ground wire connected by a snap connector.
Make sure this wire is connected whenever replacing the cover.
The cover on the print head is removed by sliding forward over the nozzle
plate after removing the four securing screws at the front and rear of the
print head. When replacing the cover, make sure that the "O" ring round
the nozzle plate is correctly fitted.
Ink Filter Replacement
The ink filter is fitted into the manifold block. It must be replaced every
2000 hours or every six months, whichever comes first.
The printer must be switched off at the power switch and the cabinet cover
removed. Pull out the electronic circuit PCBs and lay safely to one side,
then proceed as follows:
(1) Disconnect the QCD from the ink supply container.
(2) Close the valve on the print head by turning the knob fully clockwise.
(3) Place a container under the print head and carefully release the
screws fixing the nozzle plate just sufficiently for ink to escape.
(4) Slowly open the print head valve and allow ink to escape into the
container.
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