MAINTENANCE PROCEDURES
3-8 20509 Issue 7 Jan 2018
(5) Continue to allow ink to escape until the ink system pressure has
fallen to zero. Leave the print head valve fully open.
(6) Place tissue in the cabinet base to catch any escaping ink.
(7) Unscrew the filter end cap.
(8) Remove the outer and inner O-Rings and the filter.
(9) Discard the O-Rings and filter. Wash out the filter recess and clean
the filter end plug.
To fit the new filter:
(10) Fit a new filter disc into the manifold block with the sharp edge of the
disc facing inward.
(11) Fit a new inner O-Ring onto the end cap.
(12) Fit a new outer O-Ring into the groove in the manifold block.
(13) Refit the filter end cap and tighten.
(14) Carefully refit the PCBs into their correct positions.
(15) Reconnect the QCD to the ink supply container
(16) Switch on the printer.
(17) Check the system for leaks. If everything is satisfactory, switch off
the printer and replace the print head and cabinet covers.
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