Fig. 2.5 Printhead interior, parts
The printhead has a small integrated filter designed to stop particles entering the printhead and blocking the
nozzles. If this filter starts to become excessively blocked, flow rate will decrease and the performance of the
printhead will severely decrease. The integrated filter cannot be replaced or cleaned.
A primary system filter is filtering the ink (Fig. 2.5. item 4), prior to the integrated filter. This will ensure that
the integrated filter will last for the lifetime of the printhead. This filter can be replaced.
The difference between the X18 and X18+ is the printhead used. The printheads are easy to recognize, as the
printhead of the X18 is black and the printhead of the X18+ is red/orange.
The difference between het X18 and X18si is the material used for tubing and sealings. The sealings are easy
to recognize, as the sealings for the oil based inks used in the X18, X18+, X54 and X72 are marked with one
notch and the sealings for solvent based inks used in the X18si are marked with 2 notches.
2.3 Control unit
Fig. 2.6 Control unit
CAUTION:
Do not use an extension cable for connecting the USB thumbdrive to the controller, but place the
USB thumbdrive directly in the controller. Using an extension cable can cause EMC interference.
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