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Print Head Gen5 Installation Instruction

Issuing time:2018-01-26 00:00

Dear BESJET Customers,

Thanks for choosing BESJET. Please read the below instructions carefully after receiving the printhead and follow the instructions to inspect and install the print head.

Cosmetic Inspection

Check whether thepackage is extruded or deformed.

Check whether theappearance is good.

Check whether the printhead cables have broken indentation.

Check whether thebottom of the print head has scratches.


Don’t clean the newprint head with cleaning liquid so as to avoid foreign matters getting into thenozzle (When cleaning print head, the filter should be used together to preventimpurity getting into the nozzle and cleaning pressure should be controlled30KPa below. UV cleaning fluid should not drop in a straight line status).

To prevent clogging of theprint head, it is recommended to install the print head in a clean environment.

To avoid electrostaticdamage to the print head chip, please install the print head under theelectrostatic protection environment.

To avoid damaging theprint head face, do not touch the print head face by hand.

Be careful to protectthe print head cable from scratching or cutting off by external forces.

The print headpositioning plug should be fully inserted into the mounting

hole to prevent tiltinstallation of the print head.

To avoid excessiveforce applied to the print head, the torque should be controlled by about0.63Nm.

To avoid damaging theink supply port, do not apply force horizontally when installing and removingthe ink supply hose.

Do not insert or plugthe print cable when power is on. And do not oblique insert the cable to avoidbad contact and print head damage.

Print head installationsteps

Turn off the power ofthe printer, connect the ink tube with the upper and lower connectors of theprint head filter (the filter side with word should face up).

Use cleaning liquid toclean the connected print head filter assembly from top to bottom.

Connect the filterassembly to the print head ink inlet (the filter side with word should faceup).

Connect the ink tube tothe print head ink outlet and cover the plug.

Place the print headfirmly into the print head mounting hole and secure it (not tilted, squeezed,bumped).

Press ink and removethe air inside the print head.

Print the best printhead test status chart, sign on it and save the chart.

If you have anyquestions, please send email to

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Tel: (800) 809-9133


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