Epson B 510DN - Manual (Page 145)

Note:
Hold the printer with your hand when you install the ink cartridge.
c
Caution:
Do not remove and reinsert cartridges more often than necessary. Doing so can compromise
the needle valve seal and allow air to enter the ink tubes, causing nozzle loss.
7. Move the cartridge lever to the locked position.
8. Close the cartridge cover.
Note:
When you install the Extra High Capacity Ink Cartridge, use the printer with the cartridge cover
opened.
B-310N/B-510DN User’s Guide
Replacing Consumables 145