TA Triumph-Adler CLP 4721 - Manual (Page 172)

6-15
Troubleshooting
3
Close the rear cover.
Paper Jam at Cassette 2 (to 4)
Paper is jammed at the paper cassette. Remove the jammed paper using
the procedure given below.
1
Pull out the paper cassette of the optional paper feeder and remove
the jammed paper.
2
Open the rear cover of the paper feeder and remove the jammed
paper.