First things first I should declare to everyone that I am a printer technician at rihac (www.rihac.com.au).
There are a few possible causes for ink not flowing to the print heads. The best solution is to simply ring our tech staff on (03) 9005 5555 if in Australia or if outside Australia you are welcome to email our tech staff at [email protected] and they can call you back. Initially we would need more information to identify the actual issue.
Ink systems work on a very basic principal and most issues can lead back to the installation. There are a few 'golden rules' when first setting up an ink system which can prevent issues (like air in the lines) from occurring down the track. The biggest mistake people tend to make is installing the system without fully reading the manual as there are a few really quick and basic steps which are important to prevent issues down the track
One thing you will notice about the rihac inklink is that the main reservoir of ink sits slightly lower than the print heads, this is very deliberate and the reason is to protect the printer from ever flooding. Ink cannot travel uphill and if there ever was a failure the ink would flow back to the ink reservoir rather than into the printer.
So with this in mind there would always be a slight draw (or suction) from the print heads into the cartridges and eventually into the ink lines. So how do we stop air filling in the ink lines?. Well if you look at the ink reservoir you will see an extra tube in each colour reservoir. This tube is an air balance tube. This tube (when filled with air) balances the pressure of the ink (regardless of the level) and thus stops the minor suction effect and thus prevents air developing in the lines. The NO1 reason for lines is that during installation the balance tubes were not emptied of ink. It is such a simple step and takes literally seconds. If they are not emptied over time air is drawn in through the bottom of the cartridge and eventually into the ink lines. The No2 cause is that when refilling the ink system r tubes have not been blocked (or emptied). Again this causes air to develop in the tubes over time.
how to resolve the issue?. You have to remove the ink system and re-prime it. This process is quite simple and just a matter of following the instructions in the manual or simply contact us for an instruction sheet. Once re-primed the unit can be installed and will be back to printing perfectly.
There are other causes but this is certainly the common reason. Again we encourage you to contact us as we can speak with you, identify the issue and get you back up and running quickly.
One telltale sign the system has not had the air balance tubes empties is that the air filters will be stained from ink.
If you are still experiencing problems, you can email out tech team at [email protected] or call our office on +61 3 9005 5555 between 10am - 5pm AEDST Mon-Fri or visit the website www.rihac.com.au
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