Repair Information; Handling Esd-Sensitive Parts; Navigation Buttons - Lexmark Pro910 Series Service Manual

4. Repair information

This chapter explains how to make adjustments to the All-In-One and how to remove defective parts.
Warning: Read the following before handling electronic parts.

Handling ESD-sensitive parts

Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent
damage to ESD-sensitive parts, follow the instructions below:
•
Keep the ESD-sensitive part in its original shipping container (a special "ESD bag") until you are ready to
install the part into the machine.
•
Make as few movements as possible with your body to prevent an increase of static electricity from
clothing fibers, carpets, and furniture.
•
Put the ESD wrist strap on your wrist. Connect the wrist band to the system ground point. This discharges
any static electricity in your body to the machine.
•
Hold the ESD-sensitive part by its edge connector shroud (cover); do not touch its pins. If you are removing
a pluggable module, use the correct tool.
•
Do not place the ESD-sensitive part on the machine cover or on a metal table; if you need to put down the
ESD-sensitive part for any reason, first put it into its special bag.
•
Machine covers and metal tables are electrical grounds. They increase the risk of damage, because they
make a discharge path from your body through the ESD-sensitive part. (Large metal objects can be
discharge paths without being grounded.)
•
Prevent ESD-sensitive parts from being accidentally touched by other personnel. Install machine covers
when you are not working on the machine, and do not put unprotected ESD-sensitive parts on a table.
•
If possible, keep all ESD-sensitive parts in a grounded metal cabinet (case).
•
Be extra careful in working with ESD-sensitive parts when cold-weather heating is used, because low
humidity increases static electricity.

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Lexmark Pro910 Series
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Repair information
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