Lexmark E360d Service Manual - Page 83
Repair information, Handling ESD-sensitive parts - instructions
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4513-420, -430 4. Repair information 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 in addition to all the usual precautions, such as turning off power before removing logic cards: • Keep the ESD-sensitive part in its original shipping container (a special "ESD bag") until the part is ready to be installed into the printer. • Make the least-possible body movements 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 printer. • Hold the ESD-sensitive part by its edge connector shroud (cover); do not touch its pins. If a pluggable module is being removed, then use the correct tool. • Do not place the ESD-sensitive part on the MFP cover or on a metal table; if the ESD- sensitive part needs to be put down for any reason, then 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 the machine is not being worked on, and do not put unprotected ESDsensitive 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. Repair information 4-1