HP Deskjet D1668 Printer - Manual (Page 31)

Replace the cartridges
To replace the cartridges
1. Check that power is on.
2. Remove cartridge.
a. Open cartridge door.
Wait for print carriage to move to center of the product.
b. Press down to release cartridge, then remove it from slot.
3. Insert new cartridge.
a. Remove cartridge from packaging.
Replace the cartridges 29
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