GRAPHTEC SignJet JS310-25ES Service Manual page 48

(18) Attach the four inlet tubes provided to the 3-way valves on the print head carriage.
(19) Put the inlet tube through bottom of a board, and wire it forward as shown in the below picture.
(20) Set the 3-way valve for each ink tank to the ink supply position.
(21) Turn on the printer power supply.
When the power is turned on, the printer begins a self-test operation (the print head carriage and the feed
rollers move). When the self test has been completed, wait until the main menu is displayed on the LCD.
Moving the print head carriage to the cleaning position
(22) From the main menu, select [Cleaning Tool] and then press the ENTER key.
(23) From the submenu, select [Clean Post] and then press the ENTER key.
(24) The print head carriage moves to the cleaning position and then stops.
JS310-UM-251-9370
6. Initial Ink Induction Procedure
Inlet tube
Make sure that the tubes are firmly
connected to the 3-way valve.
Rear
Inlet tubes
Front
Ink tank 3-way valve
(4 valves)
41
3-way valves
PCB fixing studs
PCB board
Inlet tube Fixing plate
Turn to the ink
supply position