Sharp How to Reset a Cash Register: MASTER RESET and PROGRAM RESET Procedures
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CHAPTER 3. MASTER RESET AND PROGRAM RESET

The SRV key is used for performing entries in the SRV mode.

A MASTER RESET clears the entire memory and resumes initial values.

A PROGRAM RESET resumes the initial program without clearing the memory.

There are 2 kinds of MASTER RESET operations.

MASTER RESET 1: Normal MASTER RESET

Clears the entire memory and resumes initial values.

MASTER RESET 2: It enables the layout of fixed keys in addition to

MASTER RESET 1.

Fixed keys: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [00] [000] [.] [CL] [@/FOR] [SBTL] [CA/AT]

1. MASTER RESET 1

Please use “Procedure A” or “Procedure B”

Procedure A: 1) Set the mode switch to the (SRV’) position.

2)Plug in the AC power cord to the wall outlet.

3)While holding down the JOURNAL FEED key, turn the mode switch to (SRV) position from the (SRV’) position.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2)Set the mode switch to the (SRV) position.

3)While holding down the JOURNAL FEED key, plug in the AC power cord to the wall outlet.

Note: Procedure B cannot reset the hardware. Procedure A must be used to reset the hardware.

3. PROGRAM RESET

Please use either “Procedure A”,“Procedure B” or “Procedure C”

Procedure A: 1) Set the mode switch to the (SRV’) position.

2)Plug in the AC power cord to the wall outlet.

3)Without pressing the JOURNAL FEED key, turn the mode switch to (SRV) position from the (SRV’) posi- tion.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2)Set the mode switch to the (SRV) position.

3)Without pressing the JOURNAL FEED key, plug in the AC power cord from the wall outlet.

Procedure C: 1) Unplug the AC power cord from the wall outlet.

2)Set the mode switch to the PGM2 position.

3)While holding down the JOURNAL FEED key & the RECEIPT FEED key, plug in the AC power cord to the wall outlet.

*“Procedure C” can be executed when SRV#916-B is +4: PROGRAM RESET in PGM2 = ENABLE.

Note: Procedure B and C cannot reset the hardware. Procedure A must be used to reset the hardware.

2. MASTER RESET 2

Please use “Procedure A” or “Procedure B”

Procedure A: 1) Set the mode switch to the (SRV’) position.

2)Plug in the AC power cord to the wall outlet.

3)While holding down the JOURNAL FEED & the RECEIPT FEED keys, turn the mode switch to the (SRV) position from the (SRV’) position.

4)Program the [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [00] [000]

[.][CL] [@/FOR] [SBTL] [CA/AT] keys by depressing the keys in this order.

Note: If the [000] key is not required, press the same key in the next step, and [000] key will be inhibited.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2)Set the mode switch to the (SRV) position.

3)While holding down the JOURNAL FEED & the RECEIPT FEED key, plug in the AC power cord to the wall outlet.

4)Repeat the same sequence as in “Procedure A”

Note: Procedure B cannot reset the hardware.

Procedure A must be used to reset the hardware.

ER-A520U/ER-A530U MASTER RESET AND PROGRAM RESET

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Contents ER-A520 Model ER-A530 Keyboard SpecificationsAppearance RatingCONV2 ~ CONV4 CancelSlip DEPT#Mode Switch and Mode Keys Mode SwitchPrinter DisplayOptions 1.OPTIONS DrawerMaster Reset Master Reset and Program ResetMaster Reset Program ResetHardware Description Block Diagram Memory MAPAddress MAP CPU PIN Table AN6 Power CON Trol RTS3# Drive SignalRTS4# Drive Signal AN0 Temperature MonitorOther Ports Printer ControlStepping Motor Control Head ControlReference Voltage Printer Head Temperature MonitorD Conversion KEY/DISPLAY Printer Head Voltage MonitorKEY/DISPLAY Scan Display PowerFlash Memory Rewrite Procedure Serial I/ORistrictions on Print Ratio ResetBuzzer Display Buzzer Test Diagnostic ProgramTest Items Description of Each Diag ProgramPrinter Sensor Test Mode Switch TestPrinter Test Keyboard TestLCD CG Test Clock TestDrawer 1 Open & Sensor Test Drawer 2 Open & Sensor TestOption RAM Test Standard RAM TestFlash ROM Test CPU Internal RAM TestAD Conversion Port Test 16POLE Display TestRS Test 19SCANNER TestROM Copy GND VCC IPL from EP-ROMIPL 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.
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