If you replace toner cartridges, image drums or other consumables with any non-genuine ones, “Unknown Consumable detected” appears and the device stops working.
To continue printing by using non-genuine consumables
When “Unknown Consumable detected” appears on the touch panel and the device stops working, you can follow the procedure below to switch to an operable state.
| Note Once you switch to an operable state, a log of having used non-genuine consumables will be recorded in the device. |
1.Turn off the device.
2.Press and hold the [Clear] button to turn it on.
3.Once “RAM CHECK 100%” appears on the touch panel, release the [Clear] button.
