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Avoid collision, which may lead to device malfunctions, overheating,
fire, or explosion.
Before you clean or maintain the device, stop using it, stop all
applications, and disconnect all cables connected to it.
Do not use any chemical detergent, powder, or other chemical
agents (such as alcohol and benzene) to clean the device or
accessories. These substances may cause damage to parts or present
a fire hazard. Use a clean, soft, and dry cloth to clean the device and
accessories.
Do not place magnetic stripe cards, such as credit cards and phone
cards, near the device for extended periods of time. Otherwise the
magnetic stripe cards may be damaged.
Do not dismantle or remanufacture the device and its accessories.
This voids the warranty and releases the manufacturer from liability