1. Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your Sharp XE-A102 Electronic Cash Register. Please read this manual thoroughly before using the device to ensure proper functionality and longevity.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove the cash register from its packaging. Verify that all components, including the power cord and keys, are present. Inspect the unit for any visible damage.
2.2 Power Connection
Connect the power cord to the cash register and then to a standard electrical outlet. The unit requires continuous power for operation; battery backup is for data retention only, not for operational use without AC power.
2.3 Paper Roll Installation
Open the printer cover. Insert a new paper roll, ensuring the paper feeds correctly into the printer mechanism. Close the cover securely.
2.4 Basic Programming
Before first use, program the current date, time, and applicable tax rates. Refer to the programming section (typically accessed via the 'PGM' key position) for detailed instructions on setting these parameters. Ensure tax rates are correctly assigned to departments.
3. Operating Instructions
The Sharp XE-A102 features a clear display and intuitive key layout for efficient transaction processing.

Figure 1: Overview of the Sharp XE-A102 Cash Register showing the display, key panel, and receipt printer.
3.1 Key Positions and Functions
- REG (Register): Standard operating mode for sales transactions. Ensure the top key is in this position for daily sales.
- OFF: Turns the register off.
- X/Flash: Used to view current sales totals without clearing them. The top key in this position displays total sales.
- Z/PGM (Program): Used for programming settings such as date, time, tax rates, and department prices.
- VOID: Used to cancel the last entered item or an entire transaction.
3.2 Basic Sales Transaction
- Ensure the key is in the REG position.
- Enter the item amount using the numeric keypad. For example, for $20.00, enter "2000".
- Press the corresponding Department Key (e.g., 1-Outdoor Food, 2-Indoor Food, etc.).
- Repeat for additional items.
- Press SUBTOTAL (#/SBTL) to display the total.
- Enter the amount tendered by the customer.
- Press CA/AT/NS (Cash/Amount Tendered/No Sale) to complete the transaction and open the cash drawer.
3.3 Special Functions
- Drawer Operation: The cash drawer opens automatically upon completion of a cash transaction. The lower key does NOT open the drawer.
- X-Flash Mode: To view current sales totals without resetting, turn the key to the X/Flash position.
- Voiding: To void an entry, press the VOID key. To cancel an operation, press ESC.
- Shift Functions: Keys like SHIFT /RA and SHIFT /PO are used in conjunction with other keys for specific functions, such as applying different tax rates (TAX 1, TAX 2) or programming.
- PLU (Price Look-Up): Use the PLU key to recall pre-programmed item prices.
- CHK (Check) / CLK# (Clerk Number): These keys are used for check transactions or to assign/track sales by clerk, respectively.
4. Maintenance
4.1 Cleaning
Regularly clean the exterior of the cash register with a soft, damp cloth. Avoid abrasive cleaners or solvents. Keep the display screen free of dust and smudges for optimal visibility.
4.2 Paper Roll Replacement
When the paper roll is low or depleted, replace it promptly to ensure continuous receipt printing. Follow the instructions in Section 2.3.
4.3 Ink Ribbon/Roller Replacement
If printouts become faint or illegible, the ink ribbon or roller may need replacement. Consult the specific instructions provided with your replacement ink cartridge for proper installation.
5. Troubleshooting
This section addresses common issues you might encounter with your Sharp XE-A102 cash register.
- Register Not Powering On: Ensure the power cord is securely connected to both the register and a working electrical outlet.
- No Printout or Faint Print: Check if the paper roll is installed correctly and not depleted. If the paper is fine, the ink ribbon/roller may need replacement (refer to Section 4.3).
- Slow Printing: This model may exhibit slower printing speeds compared to some modern thermal printers. This is generally normal operation.
- Cash Drawer Not Opening: The drawer opens only after a completed cash transaction (pressing CA/AT/NS). Ensure the key is in the REG position. The lower key does not open the drawer.
- Register Malfunctions in Cold Conditions: While designed for durability, extreme cold can affect electronic devices. Operate the register within recommended temperature ranges.
- Incorrect Totals: Verify that tax rates and department prices are programmed correctly in PGM mode.
If you encounter issues not covered here, or if troubleshooting steps do not resolve the problem, contact Sharp customer support.
6. Specifications
| Brand | Sharp |
| Model Number | XE-A102 |
| Item Weight | 15.26 pounds |
| Product Dimensions | 16.4 x 15.7 x 11.4 inches |
| Color | Light Gray |
| Locking Mechanism | Key |
| Number of Items | 1 |
| Date First Available | July 29, 2008 |
7. Warranty and Support
Specific warranty details are not provided in the product information. For warranty claims, technical assistance, or further support, please contact Sharp customer service directly. Keep your purchase receipt as proof of purchase.
You can typically find contact information for Sharp support on their official website or through the retailer where the product was purchased.





