Sharp ER-A520, ER-A530 service manual 19SCANNER Test, RS Test

Page 21

Data communication check

Aloopback test of 256-byte data between is performed. DATA: $00 - $FF BAUD RATE:9600 BPS

OP display

R

S

2

3

2

 

T

E

S

T

 

S

R

V

 

 

 

 

 

 

5

0

0

 

 

 

 

 

 

 

 

 

 

 

 

3Check:

The completion print.

4 End of testing

 

 

Completion print

RS TEST

OK

Error print

RS TEST

**NG**ERxx

xx

Contents of error

 

 

01

ER DR error

 

 

02

ER CI error

 

 

03

RS CD error

 

 

04

RS CD error

 

 

05

SD RD error

DATA error

 

06

SD RD error

DATA error/framing error

18) RS232 CH2 TEST

Install the RS232 loopback connector.

1Key operation

501 3 CA/AT

2Test procedure

The test program checks the control signals.

OUTPUT

 

 

INPUT

 

 

 

 

 

 

 

 

/ER2

/RS2

/DR2

/CI2

 

/CD2

/CS2

 

 

 

 

 

 

 

OFF

OFF

OFF

OFF

 

OFF

OFF

 

 

 

 

 

 

 

OFF

ON

OFF

OFF

 

ON

ON

 

 

 

 

 

 

 

ON

OFF

ON

ON

 

OFF

OFF

 

 

 

 

 

 

 

ON

ON

ON

ON

 

ON

ON

 

 

 

 

 

 

 

Data communication check

Aloopback test of 256-byte data between is performed. DATA: $00 - $FF BAUD RATE: 9600 BPS

OP display

R

S

2

3

2

 

T

E

S

T

 

S

R

V

 

 

 

 

 

 

5

0

1

 

 

 

 

 

 

 

 

 

 

 

 

3Check:

The completion print.

4 End of testing

 

 

Completion print

RS TEST

OK

Error print

RS TEST

**NG**ERxx

xx

Contents of error

 

 

01

ER DR error

 

 

02

ER CI error

 

 

03

RS CD error

 

 

04

RS CD error

 

 

05

SD RD error

DATA error

 

06

SD RD error

DATA error/framing error

19)SCANNER TEST

The data read with ER-A6HS1 is displayed and it prints.

1Key operation 510 3 CA/AT

2Test procedure

It is tested to read it to ER-A6HS1 connected with RS-232 PORT of ERA520, 530.

Scanner initialization command "R" is transmitted, Tsu Te reading beginning command "E" is transmitted, and reading the scanner is begun. When data is read, data except STX and CR are displayed and the receipt is printed. Whenever read and updated, they are updated.

OP display

S

C

A

N

N

E

R

 

 

 

 

S

R

V

 

 

 

 

 

 

 

 

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

 

 

The read data is displayed on the left.

Receipt printing:

The read data is put in the left and printing and paper sending are carried out.

3Check: Check whether the read data is right.

4End of testing

You can exit the test mode by pressing any key. The printer prints the following.

5 1 0

ER-A520U/ER-A530U DIAGNOSTIC PROGRAM

– 20 –

Image 21
Contents ER-A520 Model ER-A530 Appearance SpecificationsRating KeyboardSlip CancelDEPT# CONV2 ~ CONV4Mode Switch and Mode Keys Mode SwitchPrinter DisplayOptions 1.OPTIONS DrawerMaster Reset Master Reset and Program ResetProgram Reset Master ResetBlock Diagram Memory MAP Hardware DescriptionAddress MAP CPU PIN Table RTS4# Drive Signal RTS3# Drive SignalAN0 Temperature Monitor AN6 Power CON TrolStepping Motor Control Printer ControlHead Control Other PortsD Conversion KEY/DISPLAY Printer Head Temperature MonitorPrinter Head Voltage Monitor Reference VoltageKEY/DISPLAY Scan Flash Memory Rewrite Procedure PowerSerial I/O DisplayReset Ristrictions on Print RatioBuzzer Test Items Diagnostic ProgramDescription of Each Diag Program Display Buzzer TestPrinter Test Mode Switch TestKeyboard Test Printer Sensor TestDrawer 1 Open & Sensor Test Clock TestDrawer 2 Open & Sensor Test LCD CG TestOption RAM Test Standard RAM TestAD Conversion Port Test CPU Internal RAM Test16POLE Display Test Flash ROM TestRS Test 19SCANNER TestIPL from EP-ROM ROM Copy GND VCCIPL ROM CPU Circuit Diagram and PWB Layout16M Flash ROM Sram / from / Eprom / PoffLCD I/F / KEY I/F Printer Driver RS232C Driver / UP-P16DP CN DRAWER1 Option RAM Connector / Printer Connector / Drawer+5V, Vled ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout Sharp Corporation Copyright  2004 by Sharp Corporation

ER-A520, ER-A530 specifications

The Sharp ER-A530 and ER-A520 are advanced electronic cash registers designed to cater to the needs of small and medium-sized businesses. These models are known for their reliability, user-friendly interfaces, and robust features that enhance operational efficiency in retail environments.

One of the most prominent features of the ER-A530 and ER-A520 is their advanced transaction processing capabilities. Equipped with a high-speed thermal printer, these registers ensure quick and efficient printing of receipts, which is essential for maintaining customer satisfaction during busy hours. The print quality is clear and legible, providing customers with a professional receipt that reflects the brand's identity.

Both models boast an intuitive and ergonomic keypad layout, making it easy for staff to learn and operate the register with minimal training. The bright and easy-to-read LCD display is another key characteristic, allowing operators to view transaction details clearly in various lighting conditions. This user-friendly design reduces errors and speeds up the checkout process, making it ideal for busy retail settings.

In terms of storage capacity, the Sharp ER-A530 and ER-A520 can handle a substantial number of PLUs (Price Look Up codes), accommodating a wide range of products and services. This extensive capability is particularly beneficial for businesses with a diverse inventory, as it enables quick access to pricing and product information without needing to enter details manually for every sale.

Connectivity is another strong point for these registers. The ER-A530 and ER-A520 support various peripheral devices, including barcode scanners, cash drawers, and kitchen printers. This versatility allows businesses to create a more streamlined checkout process, enhancing overall operational efficiency.

Additionally, both models include advanced reporting features that allow business owners to track sales trends, monitor inventory levels, and analyze performance over time. This analytical capability is crucial for making informed decisions about inventory management, staffing, and sales strategies.

Moreover, the security features in the ER-A530 and ER-A520 ensure that sensitive financial data is protected. With password-protected access to programming and certain functions, businesses can safeguard against unauthorized use while maintaining a secure environment for transactions.

In summary, the Sharp ER-A530 and ER-A520 electronic cash registers stand out in the market for their reliable performance, user-friendly design, and a comprehensive set of features that accommodate the unique needs of retailers. These registers not only enhance customer service but also provide critical insights for inventory and sales management, making them an excellent choice for businesses looking to streamline their operations.