HP Latex 3000 Printer - Manual (Page 122)

The bottle should be emptied before it is full, which will typically be after about 60–70 liters of ink have been
used. You should check the bottle periodically, depending on your usage of the printer.
Empty the bottle
1. To remove the bottle, first open the two locks on the left, then open the cover; the hinges are on the
right.
116 Chapter 5 Handle the ink system ENWW