IBM INFO PRINT 3000 - Manual (Page 215)

2. Open a new toner carton. Remove the carton lid, the new toner cartridge, and
the cardboard tray. Save the carton lid for later use in step 12 on page 185.
3. Set the new toner cartridge aside.
4. Tap the cartridge to loosen any toner still in the cartridge.
5. Open the latch (1) in front of the toner cartridge.
Chapter 7. Ordering and Replacing Supplies
183