Product type: ink cartridges Manufacturer part number: 33XL 33 XL compatible ink cartridge Condition: new with update chip Capacity: 650 pages in black, 500 pages photo black, 500 pages magenta, 500 pages cyan, 500 pages yellow Box contents: 3 black, 3 photo black, 3 magenta, 3 cyan, 3 yellow Compatible printer models: Expression Premium XP-530, XP-540, XP-830, XP-900, XP-7100, XP-630, XP-635, XP-640, XP-645 Features: - Good effect and high compatibility: high-quality toner cartridges offer great compatibility and high stability with a good pressure effect - Professional quality: Our company is a professional printer consumables company. Each item has passed a professional factory test to ensure excellent quality and smooth printing performance Usage tips: - Each box comes with gloves. Be sure to use the gloves before installation Installation: 1. Be sure to use gloves 2. Tear off the yellow tape from the cartridge 3. Place the ink cartridge upside down, then gently remove the protective cover 4. Insert the ink cartridge into its slot with the corresponding color label 5. Close the printer door and you can start printing