Epson EPI-4000 User Manual page 17

If you must turn the printer off in the midst of printing, first
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press ON LINE to set the printer off line, wait three seconds, and
then turn the power off.
The EPI-4000 uses an electric heater to dry the ink as the page is
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released to the output tray. For best print quality, do not touch
the finished page until the printer completes delivery to the
output tray.
The paper output slot at the back of the printer may become
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warm during printing. This is because of the electric heater used
to dry the ink and is no cause for concern.
When you turn on the printer after a long period of disuse, you
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may notice a peculiar smell. This is normal; there is no cause for
concern.
Introduction
I n t r o d u c t i o n 7