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Hi! Check the firmware again. From our website it should be downloaded specifically for the model 2850.

Good afternoon! Send a screenshot with an error so that we can help you.

Good afternoon! Of course you are. Our keys and program works in Singapore.

Solution: Step 1 Download and extract Zip archive with WF-C5790 Firmware: https://inkchip.net/download/INKCHIP.net_Firmware_99_WF5790_v1.rar Step 2 Delete all USB printers installed on your PC except that You want to make chipless. Reboot PC, restart printer. Step 3 Connect printer to PC (with Windows OS) by proper USB cable. Disable all Epson processes and services. Step 4 Upload Firmware to printer in the NORMAL MODE (do NOT use service mode yet just start the printer with the power button). Step 5 When Firmware Update process is complete - printer will restart - usually it will take only a few minutes but can continue for 10-20 minutes in some rare cases. If process hangs - replug power cable and start printer manually. Step 6 Now check current firmware version. If NO - restart the printer and try once more time. Step 7 Extract all files from License.zip archive to local folder on Your PC. Run activation.exe utility and click on Activate Online button and input Your Activation Key.

Please try this new file for you. https://inkchip.net/download/INKCHIP.net_Firmware_99_WF5210_v1.rar 1) Upload firmware which I sent 2) Switch on in normal mode(!!!!) just turn on button . - dont put printer in Program Update mode. (no need to press few buttons while turn on the printer) The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF. Now power on the printer - chipless firmware is installed in your printer!

¡Buenas tardes! Envíe una captura de pantalla del error para que podamos ayudarle. Y su numero de pedido?

Good afternoon! You will receive the key within 24 hours after the order. To extract a file you need to use any archiver... WinRAR or others.

¡Buenos días! ¿Cuál es su número de pedido? Lo comprobaré.

Good afternoon! You can use the activation key at any time. It has no expiry date.

Hi! Please try this new file for you. https://inkchip.net/download/INKCHIP.net_Firmware_99_WF7710_v1.rar

¡Hola! La clave de activación se puede usar una vez para un PC. El firmware funcionará para siempre siempre siempre que se desactive la actualización automática del firmware de la impresora en la configuración. Recuerda guardar el código de recuperación en caso de que necesites restaurar el firmware del Inkchip.

Hola Te enviamos un correo electrónico

Hola Por favor, pruebe este nuevo archivo para usted. https://inkchip.net/download/INKCHIP.net_Firmware_99_XP430_v1.rar 1) Subir el firmware que envié 2) Encienda en el modo normal (!!!!) sólo encienda el botón . - No pongas la impresora en el modo de actualización del programa. (No hay necesidad de presionar algunos botones mientras se enciende la impresora) El proceso de carga se atascará en un 70-80% - ¡está bien! Abrir el administrador de tareas y detener el proceso de actualización. La impresora parpadeará durante unos 5-15 minutos y luego se apagará. Ahora enciende la impresora. ¡El firmware sin chip está instalado en tu impresora!

Hello! Regarding this matter we have already replied you in WhatsApp. Sincerely yours, Inkchip corp. WhatsApp/Viber: +372 8173 0240 Wechat: Inkchip.net

https://inkchip.net/download/INKCHIP.net_Firmware_99_WF5290_v1.rar

Gracias por hacérmelo saber. Lo comprobaremos con la impresora XP230.

Hi! Please repeat the entire installation process again. If there are any errors again, please send us a screenshot.

On Epson the "Wrong ID printer from the printer" or "Reading failed 1" error occurs when flashing into chipless version. The problem described here can also manifest itself as the fact that after successful flashing and activation, the printer still requires ink cartridges. These problems occur if the printer is updated with the original firmware version from 2020. This original firmware cannot be downgraded to earlier versions and our chipless firmware is an earlier version. Basic concepts of problem solving: - Original Epson unsupported firmware - original Epson firmware that causes firmware problem. - Standard InkChip firmware. Chipless firmware to be loaded into the printer using Firmware Mode. - 99 InkChip firmware. Chipless firmware to be loaded into Normal Mode. - Firmware Mode - special mode for updating the firmware of the printer, which is activated when a certain key combination is pressed. - Normal Mode - normal mode of operation of the printer, simply turning on the printer with the power button. The algorithm of problem solving: 1. Check and memorize the firmware version of the printer using the Print Help program. The firmware version displayed is the original non-renewable version. 2. 2. Flash the printer with InkChip firmware in Firmware Mode. 3. When trying to activate the firmware with Activation and the activation code, the program will generate Reading Fail 1. 4. Re-start the process of flashing the printer with InkChip firmware in Firmware Mode. When the firmware status of the printer reaches 100% in Firmware Mode and the firmware status of the printer is displayed, pull out the power cable of the printer. 5. Connect the power cable and turn on the printer. Recovery Mode will appear on the display. 6. 6. Flash the printer with Inkchip firmware in Recovery Mode. 7. 7. Check the firmware version of the printer using the Print Help software. The version displayed must be different from the non-renewable firmware version and must be from 17. This version is a chip-less InkChip firmware. 8. Activate the chipless firmware with the Activation program.

Hi! You can use the file I sent earlier in ver 2. I'm sending you new installation instructions: Switch on in normal mode(!!!!) just turn on button . - dont put printer in Program Update mode. (no need to press few buttons while turn on the printer) The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF.

Good afternoon! Your firmware has the latest version. I will send you a new file. Please try this new file for you. https://inkchip.net/download/INKCHIP.net_Firmware_99_XP15000_v1.rar 1) Upload firmware which I sent 2) Switch on in normal mode(!!!!) just turn on button . - dont put printer in Program Update mode. (no need to press few buttons while turn on the printer) The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF. Now power on the printer - chipless firmware is installed in your printer!

The problem should not be in the firmware, please remove all files and install the firmware from our site for your model, and try an updated activation program. activation.exe

Hi! We will send you a new firmware file as soon as it passes the moderation process.

Please tell me your order number and what country are you from?

Good afternoon! Please follow these instructions: 1) Upload firmware from the website 2) Switch on in normal mode(!!!!) just turn on button . - dont put printer in Program Update mode. (no need to press few buttons while turn on the printer) The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF. Now power on the printer - chipless firmware is installed in your printer!

Good afternoon! Please send me a screenshot with an error.