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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6 ECR7700 Service Manual Y111730 - 3
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.

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PRINTER COMPARTMENT
The printer compartment Is on the top Ieft-hand side of the cash register. It houses the thermal paper
roll, journal winder spindle, back-up batteries and the thermal printer. This cash register uses
standard 21/4” (57 mm) thermal paper.
LOADING THERMAL PAPER FOR ECR 7100
Proceed as follows to Ioad the cash register with paper.
1. Make sure the cash register is plugged into a grounded power outlet.
2. Unlock, open and remove the printer compartment cover , then remove the plastic
journal winder spindle.
3. Release and Ieft the clamshell mechanism as shown in the following figure.
4. With a pair of scissors, cut the end of the paper tape to create a straight, even edge so that
the paper can be properly fed through the print mechanism.
5. Set the paper rolI in the bottom of the printer compartment so that the paper feeds out from
the bottom of the rolI.

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6 Lower the clamshell mechanism and secure it in place by pushing it all the way down until
it clicks into pace.
7. Replace journal winder with wheel to right of compartment.
8. Pass the edge of the customer receipt through the receipt window on the compartment
cover.
9. Insert the edge of the paper into the paper slot as shown below. Reposition and dose the
printer compartrnent cover.

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10. Set the menu RECEIPT MODE switch to JOURNAL, press the [Feed] key and manually
feed the paper into the slot until the paper catches and advances approximately six to ten
inches above the print mechanism.
Note: I the paper does not feed properly, check the alignment of the paper in the slot and/or
for the straight edge on the end on the paper roll.
11. Il you are loading a journal record, slide edge of tape through slots on journal winder
spindle (depress the [Feed] key to advance additional tape, if necessary). Manually roll winder
toward the back of register to take up slack in tape. dose the printer compartment cover.

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1. PRODUCT OUTLINE
1-1 HARDWARE
The terminal uses 8-bits single chip microcomputer. The CPU has 128K bytes of internal Flash
ROM and 6k bytes internal RAM, also used the 512K bytes S-RAM of external memory.
This terminal uses 10-digits Union Jack green fluorescent display.
This terminal also has a battery-backed up clock that keeps track of the month, day of the year,
hour and minute.
1-2 DISPLAY
Front Display is 10-digits 16 segment VFD.
Rear Display is 10-digits 16 segment VFD.

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1-3 KEYBOARD
The keyboard consists of Stroke 37 keys with key caps (except numeric keys).

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1-4THE KEYPAD FOR ECR 7700
The figure below shows the keypad layout
1-5KEYPAD FUNCTIONS
The keys described here are those configured by default on the cash register keyboard, shown in
figure 5. The symbol (*) indicates that the key is also used in caption programming.
1. Allows price entries for Departments 8-14. Press this key before entering applicable
department keys.
2. Registers any money taken out of the cash drawer that is not part
of a sale. When pressed in the JRNL mode, prints one or more copies of the last sales
translation recorded (overrides the Receipt Off mode set with the related key).
2. Confirms an entered clerk number and three-digit security code. In the JRNL mode,
toggles the cash register between printing and not printing the sales receipt.
3. When used as the RA key, registers any money received on account that is not part
of a sale; for example, the start-up money put in the drawer at the start of each business
day can be registered as an RA. As the Currency Conversion key,
it is used to automatically calculate and display the value in foreign currency of the
subtotal of a sale or of a particular amount registered.
4. Opens the cash drawer without registering any amount or when changing cash for
a non-sales transaction.
21 1
2 3
4
5
6
7
8
9
10
11121314
15
20
19
18
17
16

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5. Registers sales that are put on credit, such as a debit card, or on a credit card that is
alternative to the one used for Charge tenders.
6. Registers sales paid by check.
7. Subtotals a sale, and used for the programming of VAT rates.
8. Registers sales that are charged.
9. Totals exact cash transactions, computes change and totals transactions that are
split tendered with check or credit card and cash together. This key is also used to
enter into the calculator mode. In the calculator mode, it is used as the "equal" (=) key.
10. Departments 1 through 7, to enter single or multiple item sales to a particular
department.
When pressed after, registers to Departments 8 through 14.
11. Enters a decimal point for defining quantities with decimals during sales
transactions.
12. Input amounts, indicate how many times a particular item repeats,
add and subtract percentage rates and input department code numbers.
Used to input the characters indicated on the related key and indicated in the Character Table when
defining
clerk names, receipt header, receipt footer, department names, PLU product names and currency
identifiers.
During caption programming, adds a space between characters.
13. Multiplies [DEPARTMENT], or entries and displays the current date, time
and
EJ information in the REG and JRNL modes. During caption programming, enters double-width
characters.

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15. Clears an entry made from the numeric keypad or with before finalizing
a before transaction with a Department or function key. Also used to clear error conditions.
16. Registers a preset price of an individual item to the appropriate department.
17. Used to subtract a percentage rate from an individual item or an entire sale. The
rate can be a preprogrammed percentage rate or any other manually entered percentage
rate.
18. Used to manually enter a price for a PLU article.
19. When used as the coupon key, subtracts an amount from an item or the sales total,
such as a coupon deduction. When used as the Refund key, subtracts an item that is
returned for refund.
20. Advances the receipt or journal paper one line feed; advances the paper
continuously when held down.
21. Deletes the last item entered, and used for correcting a particular entry after it is
processed and printed. During caption programming, cancels from right to left the
characters that have been entered.
1-6 DRAWER
The drawer type is DSSA, 3 Bill / 8 Coin with D/DRAWER(Removable coin tray).
1-7 PRINTER
The printer is SII LTPZ225, that is a line thermal printer developed for ECR use.
58mm 1 station Thermal Printer.

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1-8 SYSTEM BLOCK DIAGRAM
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+VH +VCC +VBB
+VP
Drawer
S-RAM
A
0-
A
17
D0-D7
CS WE OE
X’TAL
Buzzer
32.768KHz
Sub Clock
Print
Motor
Printer
Main CPU
Display Front Display
Keyboard
Mode Lock
Key scans
Return
Sol. Driver
Control
LTPZ225B
Control
μ
PD78F0547
Control 10digits Union Jack
Rear Display
10digits Union Jack
Wind Motor
EJ-RAM
Power Fail
Dry Battery
Power supply
-VPW
VF

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2. DIAGNOSTIC SOFTWARE
2-1. DIAGNOSTIC CHECK & FINISHED GOODS CHECK
Diagnostic Software will check whether the machine works properly or not. It is already built in the
machine and is always ready to boot this software by the following instructions. It is also useful to
check after repairing the machine.
Note)
Once you start up the diagnostic software, you should operate all the checkup items. In other words,
it is impossible to check only Keyboard unit, Display unit, or Drawer unit etc. Please make sure you
should complete the diagnostic software and it means OK when no error occurs through the
checkup.
DIAGNOSTIC CHECK LIST