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Cash Register

CMS 140 euro / CMS 240 euro
SERVICE MANUAL




Code 686711S-00
PREFACE

This manual is addressed to the field engineers who will install and service the CMS 140/240 cash register.
It provides all the information needed for a correct product maintenance.



SUMMARY

This manual is divided into six chapters.
The first three chapters describe the operating, functional checks, and maintenance and repair procedures.
Chapter 4 describes the disassembly and adjustment procedures. Chapters 5 and 6 describe the electronic
circuitry and provide the schematics.
The appendix holds the SPARE PARTS CATALOGUE.



PREREQUISITES

The topics described in this manual require knowledge of similar products.



REFERENCE DOCUMENTATION

Instruction Manual - (provided with the product)




DISTRIBUTION: General

FIRST EDITION: November 1998

NEWSLETTER: September 1999




686711S
686710D Service Manual iii.
CONTENTS

1. OVERVIEW 4. ASSEMBLY AND DISASSEMBLY
1.1 TECHNICAL SPECIFICATIONS ... 1-1 4.1 GENERAL ...................................... 4-1
4.2 MACHINE DISASSEMBLY -
2. SPECIFICATIONS AND OPERATING REASSEMBLY ............................... 4-2
PRINCIPLES 4.2.1 Machine Case .......................... 4-2
2.1 SPECIFICATIONS ......................... 2-1 4.2.2 Printer Unit ............................... 4-2
2.1.1 Features ................................... 2-1 4.2.3 Main Board and Display .......... 4-3
2.1.2 Specifications ........................... 2-1 4.2.4 Paper Feed Motor .................... 4-3
2.1.3 Mechanisms ............................. 2-2 4.2.5 Power Supply ........................... 4-4
4.2.6 Keypad ..................................... 4-4
2.2 OPERATING PRINCIPLES ........... 2-3
4.3 PRINTER DISASSEMBLY -
2.2.1 Transmission/SelectMechanism 2-3
REASSEMBLY ............................... 4-5
2.2.2 Detector Mechanism ................ 2-6
4.3.1 Ink Roller .................................. 4-5
2.2.3 Printing Mechanism ................. 2-7
4.3.2 Electrical Connections ............. 4-6
2.2.4. Inking Mechanism .................... 2-9
4.3.3 Return Spring ........................... 4-7
2.2.5 Paper Feeding Mechanism ..... 2-9
4.3.4 Snap Ring ............................... 4-7
2.2.6 Printer Operation During One Print
Cycle Initialization .................... 2-10 4.3.5 Gear ......................................... 4-8
4.3.6 Motor ........................................ 4-10
3. HANDLING, MAINTENANCE, AND 4.3.7 Detection Wheel ...................... 4-11
REPAIR 4.3.8 Platen Assembly Removal ....... 4-12
4.3.9 Printer Carriage ....................... 4-13
3.1 HANDLING THE PRINTER .......... 3-1
4.3.10 Printer Carriage ....................... 4-14
3.1.1 Precautions on Printer
4.3.11 Machine Case .......................... 4-16
Handling ................................... 3-1
3.1.2 Paper Setting ........................... 3-1
5. CIRCUITRY
3.1.3 Installating the Ink Roll Assembly 3-2
3.2 MAINTENANCE ............................. 3-2 5.1 GENERAL ...................................... 5-1
3.2.1 Cleaning ................................... 3-2 5.1.1 Block Diagram .......................... 5-1
3.2.2 Inspection ................................. 3-2 5.2 POWER SUPPLY CIRCUIT .......... 5-2
3.3 APPLICATION OF LUBRICANTS . 3-4 5.3 TRANSFORMER WIRING DIAGRAM 5-3
3.3.1 Lubricant Types ....................... 3-4 5.4 POWER SUPPLY SPECIFICATIONS 5-3
3.3.2 Lubricating Requirements ....... 3-4 5.5 RESET CIRCUIT ........................... 5-4
3.3.3 Lubrication Points .................... 3-4
5.6 POWER FAIL CIRCUIT ................. 5-4
3.4 TOOLS AND LUBRICANTS .......... 3-5
5.7 DISPLAY CIRCUIT ........................ 5-5
3.4.1 List of Tools .............................. 3-5
5.8 DISPLAY TUBE INFORMATION .. 5-6
3.4.2 List of Lubricants ..................... 3-5
3.5 REPAIR.......................................... 3-5 5.9 KEYBOARD CIRCUIT .................. 5-7
3.5.1 Repair Levels ........................... 3-5 5.10 PRINTER CIRCUIT ....................... 5-8
3.5.2 Repair Procedures ................... 3-5 5.11 DRAWER CIRCUIT ....................... 5-9
3.5.3 Repair Guidelines .................... 3-6 5.12 BATTERY CIRCUIT ...................... 5-9
5.13 BUZZER CIRCUIT ......................... 5-9

6. SCHEMATIC AND DIAGRAM ...... 6-1

SPARE PARTS CATALOGUE ......... A-1




686710D Service Manual v.
1. OVERVIEW




Fig. 1-1


1.1 TECHNICAL SPECIFICATIONS

Type: Electronic cash register with printer and eight
departments

Display: Fluorescent display, symbols for error, change,
minus, total and program mode

Capacity: Input 7 digits and readout

Printer: Serial printer with ink roller

Paper supply: 57-mm single ply register tape

Memory battery protection: Approx. 3 months after power interruption via
4 AA batteries

Technology: CMOS RAM

Voltage: 220-240V 50/60 Hz ~ 115V 50/60 Hz

Power consumption: 0.07A; operating 0.22A

Operating temperature: 0