ServingIntel Community – Hardware Troubleshooting – C76IIN Dot Matrix Printer

C76IIN Dot Matrix Printer (Xprinter)

Managed by ServingIntel Integration Team

Date Published: August 28, 2025
Date Updated: August 28, 2025

This guide walks you through the steps to set up and install the printer (C76IIN Dot Matrix Printer) for use in POS, EFT POS, and other service industries. You’ll learn how to load the paper roll and ribbon, connect the printer to your system, and configure the correct settings. The also covers driver installation and troubleshooting tips to keep your printer running smoothly.

Make and Model:

• Brand: Xprinter 
• Series: 76mm Dot Matrix Series 
• Model: C76IIN

Specifications: 

• Print Type: 76mm Impact Dot Matrix 
• Interfaces: USB, LAN, Serial, Parallel 
• Power: Standard adapter, grounded connection required 
• Compatibility: ESC/POS commands 
• Extra: Paper source sensor, cash drawer support 

Key Features: 

• High-quality, low-noise, and high-speed printing 
• Supports cash drawer driver and black mark orientation 
• Multiple interface options: Parallel, Serial, USB, and LAN 
• Built-in data buffer for efficient processing 
• Adjustable character size, spacing, bold, and underline printing 
• Automatic paper detection and loading 
• ESC/POS command compatibility 
• Supports bitmap download and server printing 
• Multi-language support 

Setup and Installation:

Hardware Connection 

1. Connect the AC power cord to the power supply and DC cord to the printer. 
2. Connect the printer to your computer, POS terminal, or tablet. 
3. Connect the cash drawer (if applicable). 

Paper Roll and Ribbon Loading: 

1. Turn on the printer and open the top cover. 
2. Insert the paper roll into the slot. The printer will feed paper automatically. 
3. Tear off excess paper and close the cover. 
4. Open the front cover, turn the ribbon box knob 5–6 times, and insert the ribbon. 
5. Push the ribbon box until it locks in place. 

Driver Installation (Windows OS):

1. Insert the driver CD or download the driver. 
2. Double-click the driver setup file. 
3. Accept the license agreement. 
4. Select the default installation folder. 
5. Follow on-screen prompts to complete installation. 
6. Select the correct port (USB, LAN, Serial, or Parallel). 
7. Choose the correct series from the list. 
8. Click OK to configure the port. 
9. Select the detected USB001 (or applicable port) and click Apply. 
10. Print a test page to confirm installation. 

Alternative Method: 
Printing can also be done directly via port without installing a driver. Simply configure the correct port in your POS software. ESC/POS commands must be supported by the software. 

Self-Test 

To print a self-test page: 

1. Ensure the printer is powered off. 
2. Hold down the FEED button. 
3. Power on the printer while holding FEED for 2 seconds. 
4. Release FEED. A test page will print showing current printer settings. 

Troubleshooting:

Issue 1: Indicator lights not working 

• Check if the power cord is connected securely. 
• Verify the power outlet is working. 

Issue 2: Status light flashing, printer not working 

• Turn off and check for paper jams. 
• If printing head is overheated, allow it to cool before resuming. 
• Restart after 10 minutes. If unresolved, contact service. 

Issue 3: Status light solid, printer not printing 

• Run a self-test page to confirm printer operation. 
• Verify connections between printer and computer. 
• Check if port settings in software match printer interface. 
• If issue persists, contact service technician. 

Download User Manual