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Confidential
Chapter 2
Installation
Installation Precautions
WARNING
❏
Before installing, disconnect the power unit from the TM printer (as well as turning the
power switch off).
Even when the power switch is off, voltage is present at some points on the circuit
board. Changing components while the power unit is connected can cause
damage to the UB-U09 and the printer.
❏
A grounded wrist strap should be worn during installation to avoid damage from
static electricity.
❏
To avoid damage from static electricity when the unit is removed, place it on an
static-safe surface such as conductive foam.
❏
Protect the unit from vibration and shock that could damage to the unit.
❏
Be careful to avoid dropping conductive objects such as paper clips on the circuit
board, as they could short circuit connections and cause damage from excessive
current.
❏
This product should only be connected with the devices specified in this document.
Connecting other devices could cause damage, fire, or explosion.
❏
Do not attempt to wire this product other than as described in this document.
Improper wiring could cause damage, fire, or explosion.
❏
Do not attempt to disassemble or modify this product, as injury or electric shock
could result.
❏
Do not operate this product in a very humid or dusty environment, as it could present
a fire or electric shock hazard.
❏
Components on the circuit board within this product can become hot. Before
handling the product, allow about ten minutes with the power off for it to cool.
❏
To avoid electric shock, do not install this product or connect cables to it during a
thunderstorm.
Rev. B
UB-U09 Developer's Guide
Installation 2-1
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