Don't Worry nothing is damaged.
The message usually shows when the electricity is off
it is easy! u just have to call to yr local service (Greece: +302310531334) and they will give u instructions to erase this message from the memory so as u can work again with yr oki.
THe instructions have to do with the menu on the oki display.
On my HP PHotosmart C7280 All in one:
Message appears on Unit.... Ink system has failed Unable to...
(More)
On my HP PHotosmart C7280 All in one:
Message appears on Unit.... Ink system has failed Unable to recieve faxes or print.
I replaced all ink cartridges and did a reset... Still the same
Re: PIXMA MX 310 I am not able to install the toner cartridge. They are not sliding into...
(More)
Re: PIXMA MX 310 I am not able to install the toner cartridge. They are not sliding into position