HandTop HT2500UV, Operation Manual

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5.5 Replacement of ink/air tubes
The replacement must be replaced when any damage or spoil is found on certain
tubes.
Move the beam to the backward.
Shutdown the spray and turn off the valves.
Turn off the scram stop and disconnect the power cables of both air pumps.
Disassemble the cover of the towline.
Replace the used tubes with new ones.
Mark the tubes accordingly to avoid incorrect connection.
Connect and fix the tube properly.
Reassemble the cover of the towline. Reconnect the power cable and then activated
the printer.
Turn on the valve and activate the spray function.
The valves must be turned off and disconnect all power cables of the both air pump
before replacement.
Or it would easily cause ink leakage.