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Installing the Hard Disk
O
: It's very important to protect the printer tray assembly from
Caution
electrostatic damage while performing this task.
in your printer option kit, attach
If an anti-static wrist strap is provided
one end of it to your wrist and the other end to any convenient electrical
ground (for example, the bare metal chassis of equipment, as on the back of
a computer, that is plugged in
). Never attach the wrist
but turned off
strap to any piece of equipment with an electrical current present. Turn off
all power switches first. Plastic, rubber, wood, painted metal surfaces, and
telephones are not acceptable grounding points. The printer isn't an
acceptable grounding point either because it must be unplugged before you
perform this task.
, discharge your body's static
If you don't have an anti-static wrist strap
electric charge by touching a grounded surface before you handle any printer
boards or components and before removing the tray assembly cover.
Redischarge your body each time after walking around and before touching
the printer tray assembly again. Handle the tray assembly and disk drive
carefully, and try to handle it by the edges only.
6-44
QMS 1725E Print System Reference
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