Olivetti ECR 7900 Service Manual page 5

PREFACE
This Service Manual is addressed to the field engineers who will install and service the cash
register. it also provides product maintenance guidelines.
SUMMARY
This manual Is divided into five chapters.
The first two chapters describe the operating, functional checks and maintenance
procedures.
Chapter 3 describes the disassembly and reassembly procedures, Chapter 4 gives
troubleshooting/repair
information while Chapter 5 describes the electronic circuitry.
PREREQUISITES
The topics described in this manual require knowledge of similar products.
REFERENCE DOCUMENTATION
• Instruction Manual (provided with the product)
-
• Spare Parts Catalogue
DISTRIBUTION: General
LAST EDITION: January 2008
Y108540-8 ECR 7900 Service Manual III