- It appears that the ink supply to the sub-tank has failed.
This is an error caused by the ink level in the sub-tank not reaching the specified level after ink supply.
![](https://d2w577gk9zpoty.cloudfront.net/archives/046/202304/b40a2fb13ddc5fd418d7cf2ac5b6fb26787f99e1f4492bf6b7bf8802202b742a.png)
1. Check around the ink supply port and remove any debris if any.
* It has been confirmed that due to the ball part of the bottle
cap sticking, the ink will not flow normally.
Press the ball part to ensure that it operates properly
![](https://d2w577gk9zpoty.cloudfront.net/archives/046/202304/bbfcd9b770d23b6ae7d5e3738e1413ea8b790e57be2584263ce0c28657048155.png)
2. After confirming the above item is not an issue, perform [MAINTENANCE] > [Overflow].
![](https://d2w577gk9zpoty.cloudfront.net/archives/046/202304/e2c7476e9bc7a3a6851b2412aa4df925312c467cfa4be4c931a2144b507328f1.png)
3. If the error is still displayed even when you tried [Overflow] 3 times, please contact your local dealer.