bläckreservoir
A bläckreservoir, often translated as ink reservoir, is a component found in various writing instruments and printing devices responsible for storing ink. In fountain pens, it's a key element that holds the ink and feeds it to the nib. These reservoirs can take several forms, including a sac that is squeezed, a piston mechanism that draws ink into a built-in chamber, or a removable cartridge that is inserted into the pen. The capacity of a bläckreservoir dictates how long a writing instrument can be used before needing a refill.
In the context of printing, particularly with inkjet printers, the bläckreservoir refers to the ink cartridges