51 Installation and Service Guide: Printer Controller EB-34
Replacing Parts
4 Lift the edge of the motherboard opposite the connector panel to release the motherboard from the chassis. Then
gently slide the motherboard out of the chassis.
Make sure that the connectors on the motherboard clear the cutouts in the chassis as you remove the board. Avoid
handling contacts or using excessive force.
Figure 20: Removing the motherboard from the chassis
5 If you are replacing the motherboard with a new motherboard, remove the following from the old motherboard:
• DIMM(s) (see page 56)
• CPU (see page 58)
Replacing the motherboard
Use the following procedure to install the motherboard in the EB-34 chassis.
Troubleshooting cautions
• Before deciding to install a new motherboard, consult “Troubleshooting” on page 93.
• Also review “Motherboard cautions” on page 52.
• Inspect all cables and internal components (see page 94). If these inspections do not solve the problem, locate
symptoms in the troubleshooting table beginning on page 102, and perform the suggested actions in the order
listed.
1 Lift edge of motherboard and remove from chassis.
2 Make sure that the motherboard connectors clear the
cutouts in the chassis (cutouts not shown).
Important: Follow the procedures in this section to replace the motherboard. Failure to follow the
instructions in this section may corrupt the system (not easily repaired in the field) or result in an incomplete
installation.
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