Compared to wide format printers, UV printers are more likely to get head clogged/blocked by the characteristic of UV ink. Many customers are upset about print head clogged due to the expensive head price and time-consuming. That’s why we write this.
Printer head Clogged Reasons
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To summarize, the printer head clogging happens for two main reasons:
Ø Ink sedimentation
The ink that is used has no quality or expired.
When the printer is idle for a long time, it is lack of maintenance.
Ø Ink drying
The users take improper maintenance, not follow the user manual request.
The printers are exposed to strong sunlight environment for a long time.
Print head clogged risk: White Ink> Varnish> Color Inks (C/M/Y/K/Lc/Lm)
The main component of white ink is titanium dioxide that easily causes sediments in a long time static state. Compared with color inks and clear ink (varnish), more likely blocked nozzles.
And the varnish is virtually a combination of resins, solvents, and resins, or oils and solvents, featuring larger particles than UV inks. So that it easily blocked printhead, especially for small droplet size Epson printhead.
Solutions: How to avoid head clogged?
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Avoid ink sediments
Ø The printers must be equipped with a white ink stirring system or white ink circulation system, as the white ink is more likely to get blocked.
Ø Select quality inks, before the original ink; store them in the right environment.
Ø Activate the self-automated cleaning system regularly if you are not going to use the printer.
Ø Change the consumables often (every 2 – 3 months) from ink bottles, ink dampers and wipers and cap top as well.
Avoid ink drying
Ø Operating the proper daily maintenance and cleaning the powder created from printing.
Ø Avoid printer exposure under direct strong sunlight environment and UV lighting resources as well.
How to clean clogged head?
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