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SG2-640/540/300
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REPLACEMENT
Important Points
Turn off the sub power switch and main power switch, and unplug the power cord of the printer before
performing parts replacement. Performing the parts replacement while the power is on may result in injury due
to the unexpected operation of the printer.
Static electricity can harm some electronic devices. To prevent static damage, discharge static electricity from
your body before you touch any of the electronic parts. You can do so by touching an unpainted metal surface
on the chassis.
We also recommend that you take the following steps to prevent damage from electrostatic discharge (ESD):
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When unpacking a static-sensitive device from its shipping carton, do not remove the device from the
antistatic packing material until you are ready to install the part to the printer. Just before removing the
antistatic packaging, be sure to discharge static electricity from your body.
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When transporting a static-sensitive part, rst place it in an antistatic container or package.
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Handle all static-sensitive parts in a static-safe area. If possible, use antistatic oor pads and workbench pads.
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