6. Replacing Parts
GT-3 Series
279
6-1-38. Print Heads
Required Tools
Wrist Strap
Replace the Filter before replacing the Print Head when you find a large number of missing nozzles in
printing; the print is getting lost in printing Solid test pattern and there may be clogged ink covering the F/E
Filter inside the Print Head (see “4-1-2. Heavy misfiring in printing (Checking the Cracks in the Tube”). Refer
to the “6-1-33. Replacing the Filter over the Print Head”.
<Important!>
・ Print Heads are delicate and easy to damage, please handle with care.
・ Do not mount/dismount the Print Heads on the Maintenance Unit; the surface of the Print Heads will
hit the edge of Wiper Cleaner and may cause serious damage. Select the menu from the Operation
Panel or move the Carriage over the Flushing Plate (1) by hand.
・ Be sure to remove the Wiper Cleaners (2) and lower the Caps (3) beforehand if you have to operate
on the Maintenance Unit.
CMYK Print Head
1.
Turn off the p
rinter and open the Front Cover with both hands until it is locked with the stopper.
2. Open the new Print Head. Put the gloves on your hands not to touch the electronic parts and remove the
fitting and the cover. The fitting (A) on the Print Head (see the arrow below) will be used during operation.
(A)
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