Chapter 5. Removing And Replacing Frus; Handling Static-Sensitive Devices - Toshiba 1NR Hardware Service Manual

Chapter 5. Removing and replacing FRUs

This section provides instructions on how to remove and replace the field
replacement units (FRU) for the SureMark 4610 Models 1NR, 1NA, and 1ND. See
Appendix A, "Parts listing," on page 71 for a description of the FRU catalog and a
list of the FRU part numbers.
Notes:
1. Before you perform any removal and replacement procedures, see "Handling
2. Locate the machine serial number. See "Printer information label" on page 26.
3. Switch OFF the power to the SureMark 4610. Unplug the power cord from the

Handling static-sensitive devices

Attention:
avoid damage, keep static-sensitive devices in their static protective bags until you
are ready to install them.
To reduce the possibility of electrostatic discharge, observe the following
precautions:
v Limit your movement. Movement can cause static electricity to build up around
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed printed circuitry.
v Do not leave the device where others can handle and possibly damage the
v While the device is contained in its anti-static bag, touch it and your finger to an
v Remove the device from its package and install it directly into your system,
v Take additional care when handling devices during cold weather because heating
static-sensitive devices."
external power source.
Static electricity can damage electronic devices and your system. To
you.
device.
unpainted metal part of the system unit for at least 2 seconds. (This action
removes static electricity from the package and from your body.)
without putting it down. If it is necessary to put the device down, place it onto its
static-protective bag. (If your device is an adapter, place it component side up.)
Do not place the device onto the cover of the system or onto a metal table.
reduces indoor humidity and increases static electricity.
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