E-Tech STYLUS Pro WT7900 - Manual (Page 38)

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38 | Setting Up the Printer
2. Open both ink covers.
3. Remove the ink cartridges from their packages. Gently shake each
cartridge as shown below for the following durations:
• White ink cartridge: 30 seconds (about 100 times)
• Other ink cartridges: 5 seconds
Caution: Do not touch
the green chip on top of
the cartridge, or you may
damage it.