HP 0706124 REV B - Manual (Page 69)

Installing Ink for the First Time in a New Printer 3-13
5. If not pre-assembled, insert the drain tube into the connec-
tion on top of the drain bottle.
6. Place the drain bottle on the floor and tape the drain tube to
the dryer tube, providing a descent from carriage-level to the
drain bottle.
Fig. 3-7. Assembling the drain tube to the top
of the drain bottle.
Fig. 3-8. Placing the drain bottle