Simplify the following text for a Grade 7 native English-speaking person.
Original: Inkjet printers may initially cost less than laser printers , but their costlier and rapidly-depleted ink cartridges mean that the ink cost per page is usually higher for ordinary black-and-white printing .
Simplified: These printers usually do not use cartridges , but have a continuous supply of ink that could last for a long time . Inkjet printers need special paper .