gazza 0 Report post Posted September 15, 2018 i am having a problen downgrading the firmware i have disabled the monitor and tried 3 different usb leads but everytime i put my key in it will download the firmware but as it starts to upload to the printer it stops the printer says preparing to update please wait but wic says..... I/O raw command reply is unknown. - An error occurred when application tried to write/read data into/from the printer. - Restart the device each time you see this error before starting another operation. - If possible try to replace USB cord/make sure that network connection is reliable. - If Status Monitor Utility is supported by your OS and it`s active then disable it. - Disable other applications that can use the printer and cancel all printing tasks. i have disabled firewall antivirus i have disabled every epson process i have tried 3 different usb leads i have tried my main pc and my laptop and still the same message any ideas please?? Share this post Link to post Share on other sites
John_Admin 388 Report post Posted September 20, 2018 Menu - Support - Disable processes Replace USB cable Try on another PC Share this post Link to post Share on other sites
bobobobi 0 Report post Posted October 7, 2018 Wolte just say I also have the problem. I also have firewall antivirus disabled and disable the support processes I I tried with 5 different USB-leads I also tried 4 different PCs and 1 laptop and always get the error message В Please wait for the update but wic says ..... I / O raw command response is unknown. - An error occurred when the application tried to write / read data to / from the printer. - Reboot the device every time you see this error before starting another operation. - If possible, try to replace the USB cable / make sure the network connection is reliable. - If the Status Monitor Utility is supported by your operating system and it is active, then disable it. - Disable other applications that can use the printer and cancel all printing tasks. Share this post Link to post Share on other sites
bobobobi 0 Report post Posted October 13, 2018 I have now tried it with 8 different USB cables with the Silhouette Cameo 3 and the USB cable goes supper. Cable labeled E325168 (UL) TYPE CL2 60C 30V USB2.0 SHIELDED 28AWG / 1P + 2AWG / 2C Share this post Link to post Share on other sites
Janny Watson 0 Report post Posted October 31, 2018 If you are facing this downloading problem with your laptop try:- - I have disabled firewall antivirus - I have disabled every Epson process - I have tried 3 different USB leads - I have tried my main pc and my laptop Share this post Link to post Share on other sites