HP M1536dnf CE538ABGJ manual Electrostatic discharge, Required tools, Service approach

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

●#2 Phillips screwdriver with a magnetic tip and a 152-mm (6-in) shaft length

●Small flat-blade screwdriver

●Needle-nose pliers

●ESD mat or ESD strap (if one is available)

●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 1-1Phillips and Pozidriv screwdriver comparison

Service approach

Before performing service

●Remove all paper from the product.

●Turn off the power using the power switch.

●Unplug the power cable and interface cable or cables.

●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