If paper jams inside the transfer unit, follow the procedure below to remove it.
Pull the opening lever on the front cover, and then carefully lower the front cover.
Carefully remove any paper that is jammed under the transfer unit.
If you cannot find the jammed paper, look inside the machine.
Using both hands, carefully push up the front cover until it closes.
When closing the front cover, push the upper area of the cover firmly. After closing the cover, check that the error is cleared.