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Electrostatic discharge
CAUTION: Some parts are sensitive to electrostatic discharge (ESD). Look for the ESD
reminder when removing product parts. Always perform service work at an ESD-protected
workstation or mat, or use an ESD strap. If an ESD workstation, mat, or strap is not available, ground
yourself by touching the sheet-metal chassis before touching an ESD-sensitive part.
Protect the ESD-sensitive parts by placing them in ESD pouches when they are out of the product.
Required tools
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#2 Phillips screwdriver with a magnetic tip and a 152-mm (6-in) shaft length
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Small flat-blade screwdriver
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Needle-nose pliers
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ESD mat or ESD strap (if one is available)
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Penlight (optional)
CAUTION: Always use a Phillips screwdriver (callout 1). Do not use a Pozidriv screwdriver
(callout 2) or any motorized screwdriver. These can damage screws or screw threads.
Figure 1-1 Phillips and Pozidriv screwdriver comparison
Service approach
Before performing service
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Remove all paper from the product.
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Turn off the power using the power switch.
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Unplug the power cable and interface cable or cables.
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Place the product on an ESD workstation or mat, or use an ESD strap (if one is available). If an
ESD workstation, mat, or strap is not available, ground yourself by touching the sheet-metal
chassis before touching an ESD-sensitive part.
●
Remove the print cartridge.
ENWW Electrostatic discharge 3