Epson U230 - TM Two-color Dot-matrix Printer, Developer'S Manual

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2-4 Handling
Confidential
Example:
When the IP code of a product is IP32, the first digit means that the product has protection from
tools and thin wires with a diameter more than 2.5 mm and protection from solid foreign objects
with a diameter greater than 2.5 mm. The second digit means that the product is protected from
water coming from an angle up to 15
°
from vertical.
The test for keeping out water coming from an angle up to 15 ° from vertical is executed under
the following conditions.
Waterproof mechanism
TM-U230 is especially designed to protect the printer from water. If the printer is installed
horizontally, when water enters the printer through the portions indicated in blue, that water
goes out of the printer through the portions indicated in red.
Figure 2-1
Amount of water Angle Time
3mm/min 15
°
from each of front, rear, right and left 2.5 min. for each angle.
portions that water
goes out
portions that
water goes out