GRAPHTEC SignJet JS310-25ES Service Manual page 59

(5) Clean the outlet tubes.
Follow the procedure described below to clean the cyan outlet tube. Clean the magenta, yellow and black
outlet tubes in the same way.
(a) Set the lever of the 3-way valve for the cyan ink tank to the cleaning solution supply position. Set the
lever on all the other 3-way valves to the ink supply position.
Cyan ink 3-way valve only
Turn to the solution supply position
(b) Remove the cap from the one (cyan) of the outlet tubes.
Outlet tube
(c) Position the open end of the outlet tube so that it is facing the waste liquid slot.
(d) Press the Solution button to feed the cleaning solution through the outlet tube.
Continue to hold down the Solution button until the cleaning solution flows out of the outlet tube.
• Cleaning solution may be emitted from the print head nozzles.
CAUTION:
Take care not to get cleaning solution stains on your clothing.
(e) Reattach the outlet tube cap that was removed in Step (b), and then remove the cap from the second outlet
tube.
JS310-UM-251-9370
All other 3-way valves
Turn to the ink supply position
Outlet tube cap
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6. Initial Ink Induction Procedure
Waste liquid slot