Avision AD280 - 1 Introduction; General Notes for Servicing

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1. INTRODUCTION
General Notes for Servicing
General Description
This manual is intended to be used by the maintenance engineers. It describes areas to be
maintained, the detailed installation, and the component replacement procedures as well as the
main trouble shooting guides.
Please take your time to read this manual thoroughly to obtain comprehensive knowledge about
the scanner before serving the unit.
1.1 GENERAL NOTES FOR SERVICING
(1) Before trying to disassemble the scanner, make sure the power supply cord of the scanner is
disconnected from the power outlet. Under any circumstance, do not remove or install the
connectors on the scanner with the power supply turned ON.
(2) Use caution not to drop small parts or screws inside the unit when disassembling and
reassembling. If left inside, they might cause the malfunction of the unit.
(3) Do not pull the connector cable when disconnecting it. Hold the connector.
(4) When carrying the scanning head unit, put it in an anti-static bag.
(5) Keep the document table glass surface always clean. If contaminated, use a dry clean cloth
for cleaning.
(6) Use caution not to injure your fingers or hands when disassembling or reassembling the
unit.