Olivetti ECR 7700 User manual

Cash Register
ECR 7700
SERVICE MANUAL
Code Y 111730 - 3

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PUBLICATION ISSUED BY:
Olivetti S.p.A.
10015 Ivrea (Italy)
Gruppo Telecom Italia
B.U. Service & Caring Solutions
Via Montenavale 1 - 10015 Ivrea (ITALY)
www.olivetti.com
Copyright© 2009, Olivetti
All rights reserved
CAUTION
Danger of explosion if the battery is not replaced properly.
Replace only with same or equivalent type recommended by the manufacturer.
Discard used batteries according to the manufacturer's instructions
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CONTENTS
MAJOR FEATURES……………………………………………………………………………………….6
ECR7700 EXERNAL COMPONENTS…………………………………………………………………………7
CASH REGISTER SPECIFICATIONS…………………………………………………………………………8
SAFETY PRECAUTIONS……………………………………………………………………………………….9
MAINTAINING THE CASH REGISTER……………………………………………………………………….9
UNPACKING AND SETTING UP THE CASH REGISTER…………………………………………………10
STANDARD ACCESSORIES………………………………………………………………………………….10
PRINTR COMPARTMENT……………………………………………………………………………………..11
1.PRODUCT OUTLINE…………………………………………………………………………………..14
1-1 HARDWARE………………………………………………………………………………...14
1-2 DISPLAY…………………………………………………………………………………….14
1-3 KEYBOARD…………………………………………………………………………………15
1-4 THE KEYBOARD FOR ECR7700………………………………………………………..16
1-5 KEYPAD FUNCTIONS…………………………………………………………………….16
1-6 DRAWER…………………………………………………………………………………….18
1-7 PRINTER…………………………………………………………………………………….18
1-8 SYSTEM BLOCK DIAGRAM……………………………………………………………..19
2 DIAGNOSTIC SOFTWARE……………………………………………………………………………20
2-1 DIAGNOSTIC CHECK & FINISHED GOODS CHECK…………………………………20
2-2 SOFTWARE VERSION CHECK…………………………………………………………..23
3 ASSEMBLY INSTRUCTION…………………………………………………………………………..24
3-1 TOP CASE UNIT……………………………………………………………………………24
3-2 DRAWER unit ASSY………………………………………………………………………39
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4 CIRCUITRY……………………………………………………………………………………………..49
4-1 POWER SUPPLY CIRCUIT……………………………………………………………….49
4-2 TRANSFORMER WIRIN DIAGRAM……………………………………………………..51
4-3 μPD 78F0547 MICROCOMPUTER………………………………………………………52
4-4 RESET CIRCUIT……………………………………………………………………………54
4-5 POWER FAIL CIRCUIT……………………………………………………………………55
4-6 WINDING MOTOR CIRCUIT……………………………………………………………...55
4-7 DISPLAY CIRCUIT…………………………………………………………………………56
4-8 DISPLAY TUBE INFORMATION…………………………………………………………57
4-9 KEYBOARD CIRCUIT……………………………………………………………………..58
4-10 DRAWER CIRCUIT………………………………………………………………………...60
4-11 BUZZER CIRCUIT………………………………………………………………………….60
4-12 BATTERY CIRCUIT…………………………………………………………………….....61
4-13 EXTERNALMEMORY………………………………………………………………….….62
4-14 PRINTER CIRCUIT………………………………………………………………………...63
5 CURCUIT DIGRAM…………………………………………………………………………………….66
6 EXPLODED DIAGRAM………………………………………………………………………………..70

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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: October 2009
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MAJOR FEATURES
• 14 departments and up to 400 Price Look-Up (PLU)
settings;
• 8 clerk numbers to monitor the sales of individual
employees;
• Electronic journal with a maximum capacity of up to
3,000 transaction lines for storing all transaction data;
signalling of EJ memory full and nearly full conditions;
• 10-digit operator and client Vacuum Fluorescent
Displays (VFD);
• Quantity entries using the decimal point;
• Training mode facility with related password;
• Stock counter for PLU items, that automatically
decrements to keep track of the remaining number of
items in stock;
• Replaceable keycaps;
• Receipt on/off, and duplicate receipt features;
• Possibility of activating a Clerk Security System
consisting of a three-digit security code;
• Possibility of assigning a name to each Clerk for rapid
identification;
• Z management report mode password definition;
• Customer sales receipt header personalization and
receipt footer definition;
• Special rounding capabilities for Swiss, Danish and
Swedish currencies;
• Customer receipt and management report printing in
English, French, German, Spanish, Dutch, Portoguese,
Danish or Swedish;
• Department programming (positive and negative sales)
• 4 foreign currency exchange rates with related currency
descriptors;
• Cash, check, charge and card tender media keys, with
change tendered on all payments;
• 4 different VAT rates;
• Possibility of programming the cash register to print a
range of VAT totals on the sales receipt;
• Time display at the press of a key;
• Battery back-up protection for the records and programming
data.

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ECR 7700 External Components
With reference to figure:
Customer Display Operator Display
Control lock Keypad
Cash Drawer ICash Drawer Lock
Item deposit drawer Power Cord
Customer Receipt Output Window Printer Compartment Cover
Removable Cash Drawer and Box
With reference to figure 4, the cash drawer has slots for banknotes and for coins.
Open the drawer by pressing or by sliding the hidden emergency button underneath
the register.
The cash drawer can be completely removed from the register by lifting up on the open drawer and
pulling towards yourself.

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ECR 7700 Technical Characteristics
Listed below are the technical characteristics of this cash register model.
Listed below are the technical characteristics of this cash register
model.
Type: Electronic cash register with clamshell
thermal printer, 14 departments, 8 clerks, up to
400 PLU settings and 3,000 line electronic
journal
Displays: Two 10-digit operator and client alphanumeric
Vacuum Florescent Displays (VFD). Symbols
for error, change, subtotal, minus, total,
foreign currency value, electronic journal
memory nearly full or full, and item count
shown
Capacity: 7-digit input and readout
Printer: 24-column line thermal printer with drop-in
paper loading
Paper supply: 57.5 ± 0.5 mm thermal paper
Batteries: Three standard "AA" size batteries which
safeguard memory contents in the event of
power failures
Technology: CMOS RAM
Power cons.: Standby 8.5 W, Operating 30 W
Operating
Temperature: 32 – 104 °F (0 °C – 40 °C)
Dimensions: 340 mm (W) x 360 mm (D) x 230 mm (H)
Weight: 5.1 Kg (11.22 lbs)

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SAFETY PRECAUTIONS
The power socket for this cash register must be located near the machine and must be easily
Accessible.
Do not use this cash register outdoors in the ram or near any liquid.
MAINTAINING THE CASH REGISTER
Provided below is information on how to maintain the cash register.
Note: Before cleaning the cash register, make sure it Is powered off and/or unplugged from the
wall outlet. Before unplugging the cash register from the wall outlet, make sure that three charged
AA standard backup batteries are installed in the battery compartment. All data stored in memory
will be cancelled if you unplug the cash register from the electrical wall outlet without back-up
battery supply.
Keep all liquids away from the cash register so as to avoid spills which could damage the electronic
components.
To clean the cash register firstly turn it off and/or unplug it from the wall outlet (be sure the back-up
batteries are installed), then use just a damp cloth. Do not use corrosive substances such as
solvents, alcohol, petrol, or abrasive components.
Il the cash register is stored in extreme hot or cold temperatures ( 0 °C - 40 °C ), allow the
temperature inside the cash register to reach room temperature before turning it on.
DO NOT attempt to pull the paper tape when the cash register Is printing or when you are loading
paper. Always use the [Feed] key to feed paper. Pulling the paper tape could damage the print
mechanism.

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UNPACKING AND SETTING UP THE CASH REGISTER
STANDARD ACCESSORIES
The cash register comes with the following items:
One black plastic journal winder spindle
One roll of standard paper tape
Three standard ‘AN’ size batteries for the battery back-up system
The multilingual User’s Guide, Reference Guide in English and Warranty Card + Setup Poster
A set of keys for looking the cash drawer
Make sure that the cash register and all of the above items are included in the shipping canon.
Open the cash register’s shipping carton and carefully withdraw each component. Make sure that
the cash register and all al its accessories, listed in the section entitled Standard Accessories, are
present in order to setup the cash register by following these guidelines:
Place the cash register on a level, stable, vibration-free and dust-free surface. Make sure it is near a
power outlet compliant will the latest safety standards.
Plug the cash register into a power outlet compliant with the latest safety standards.
Insert memory backup batteries as explained in the section entitled Inserting/Replacing Batteries.
Do not insert the batteries unless the cash register is plugged into an electrical power outlet.
WARNING: The machine must be plugged into an electrical outlet before you insert the
batteries.
Load the thermal paper roll as explained in the section entitled Loading Thermal Paper.
Set the desired program options as explained in the section Cash Register Programming.