If cleaning solution is visible on the white caps, the wet cap system is functioning correctly.
If no solution is visible, press the wet cap button one or two additional times.
Recheck the white caps for cleaning solution.
6 Month White Channel Maintenance
SECTION 1
This procedure addresses white ink thickening and buildup in dampers, tubes, and print head nozzles. Performing this maintenance every six months helps prevent clogging and ink flow issues. Gaining Access
Written steps1
Steps
Locate the ink bay.
Remove five screws total.
Remove the ink bay cover. SECTION 2 Disconnecting the White Ink Container
Locate the white ink container.
Tighten the cap on the container.
Close the valve.
Cut the zip tie using scissors.
Follow the cable to the connector and unplug it.
Follow the cables through the side hole to the outside of the ink bay.
Disconnect the two cables.
Pull the cable out from the top.
Disconnect the split cable connection.
Remove the ink tubes using scissors to pry them open.
Remove each tube by hand.
Wrap each tube end with a paper towel and secure with tape to prevent ink spillage.
Remove the entire ink container from the ink bay.
Open the cap and dispose of remaining ink according to local regulations. SECTION 3 Cleaning the Ink Container
Move to a sink.
Avoid getting electrical cables wet.
Rinse the container with water and dispose of rinse water properly.
Repeat rinsing several times.
Remove the white ink stirrer by removing two screws.
Rotate the stirrer as needed and pull it out.
Rinse and clean the stirrer.
Add a small amount of water to the container.
Use a cleaning swab to scrape solidified ink from the bottom.
Dispose of contaminated water.
Repeat until all solidified ink is removed.
Perform a final rinse.
Allow the container and connectors to fully dry. SECTION 4 Draining the Ink Lines
Turn the printer on while cables are drying.
Locate the top white ink tube.
Remove tape and paper towel from the tube end.
Place the tube into the waste ink container.
Set white ink circulation to maximum power.
Turn circulation on.
Observe ink flow until only air exits the tube.
Turn circulation off.
Lower circulation power.
Turn the printer off.
Shake a new white ink bottle for 30 seconds.
Let the bottle rest for at least 5 minutes. SECTION 5 Reassembly
Reinstall the ink stirrer by rotating it into position.
Secure it with two screws.
Place the ink container back into the ink bay.
Reconnect the top tube fully.
Reconnect the second tube fully.
Route the cable through the inner ink bay hole.
If cables contacted water, allow them to dry for 24 hours.
Optionally wipe connectors with isopropyl alcohol and a lint-free cloth.
Connect split cable connectors.
Plug the routed cable into the correct port.
Confirm cable routing matches reference.
Reinstall the ink bay cover loosely for now. SECTION 6 Ink Charge
Fill the ink container with white ink.
Puncture two holes in the ink bottle.
Close the container cap loosely.
Open the valve.
Set white ink circulation intensity to 100 percent.
Run one full circulation cycle.
Turn circulation off.
Lower circulation power.
Perform fill ink for 1 minute on H2.
Open the right side cover.
Confirm the H2 pump is running.
Check the waste ink tube for white ink flow.
After fill ink completes, perform two head cleanings.
Run a nozzle check. SECTION 6A Manual Ink Pull if White Ink Is Not Recovered
Rotate the H2 pump counterclockwise to remove it.
Locate the tube leading to the capping station.
Disconnect the tube connector.
Attach a syringe to the tube.
Pull the syringe fully and hold to create negative pressure.
Repeat two to three times.
Pull at least 20 ml of ink each time.
Hold the syringe plunger while disconnecting to prevent spillage.
Reconnect the tube.
Tighten the connector clockwise.
Ensure the tube is straight with no twists.
Reinstall the pump and rotate clockwise to lock. SECTION 7 Final Steps
Turn the printer on.
Perform two consecutive head cleanings.
Run a nozzle check.
Confirm nozzle pattern is correct.
Secure the ink bay cover with five screws.
Close the right side panel.
Three screws on the front
One screw on each side
This cable connects to the white ink stirrer.
Match black to black and white to white.
One for ink flow
One for air flow
Six month white channel maintenance is now complete.
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