Epson STYLUS Pro WT7900 User Manual page 91

Caution: Do not touch
the green chip on top of
the cartridge, or you may
damage it.
Note: If you can't insert
the cartridge smoothly,
you may have the wrong
cartridge. Check the
package and product
code. If the B Ink light
remains on after installing
the cartridge, it may not
be inserted fully.
Caution: Do not remove
and re-insert cartridges
more often than
necessary. Doing so can
compromise the needle
valve seal and allow air to
enter the ink tubes,
causing nozzle damage.
Maintaining and Transporting the Printer
6. Gently shake each cartridge as shown for the following durations:
White ink cartridge: 30 seconds (about 100 times)
•
Other ink cartridges: 5 seconds
•
7. Hold the cartridge with the arrow pointing toward the printer. Then
insert it into the slot until it clicks into place. Don't force it in.
8. Close the ink cover.
Once the cartridge is installed, the printer returns to its
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state.
READY