Even with the correct driver, you may encounter occasional hiccups. Here’s how to solve the most common problems:
Click the button (or the + icon). Select ES-9910UB from the list of detected USB devices.
The thermal paper may be loaded upside down. Ensure the matte/printing side faces upward. Additionally, run an automatic label calibration by holding down the printer's feed button until it beeps once. es-9910ub driver download
Go to and select Save Current Settings as Preset so you do not have to change this setting for future prints. Troubleshooting Common Setup Issues Issue 1: Printer status shows as "Offline"
Plug the ES-9910UB into a functional power outlet and connect the USB cable directly to a high-speed port on your computer. Even with the correct driver, you may encounter
Open the and navigate to Devices and Printers .
Ensure the cash drawer is connected to the correct port on the printer. In Driver Properties > Device Settings, map the cash drawer pin (usually pin 2 to ground). Also, your POS software must send the correct open command (e.g., ESC p 0 120 120 ). The thermal paper may be loaded upside down
If you are holding a device labeled , you are likely in possession of a generic USB-to-Serial adapter (often used for connecting older printers, CNC machines, or networking consoles to modern computers).
While most scanner drivers simply allow you to adjust resolution or color depth, the driver package for the ES-9910UB includes a configuration utility for the scanner's physical .
Because the ES-9910UB is a generic industrial device, many download sites are filled with spam or malware. trust random "driver updater" tools. Go to the chipset manufacturer directly.