2L6/2N6/2N5/2N4
1-4-16
4311 Duplex sensor 1 stay jam Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 1.
F
4312 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 2.
F
4313 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 3 (paper feeder/large capacity
feeder).
F
4314 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 4 (paper feeder/large capacity
feeder).
F
4315 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 5 (side multi tray/side deck).
F
4316 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 6 (side paper feeder/side large
capacity feeder).
F
4317 Duplex sensor 1 (DUS1) does not turn off during paper
feed from cassette 7 (side paper feeder/side large
capacity feeder).
F
4319 Duplex sensor 1 (DUS1) does not turn off during paper
feed from MP tray.
F
4401 Duplex sensor 2 non
arrival jam
Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 1.
F
4402 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 2.
F
4403 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 3 (paper feeder/large capacity
feeder).
F
4404 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 4 (paper feeder/large capacity
feeder).
F
4405 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 5 (side multi tray/side deck).
F
4406 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 6 (side paper feeder/side large
capacity feeder).
F
4407 Duplex sensor 2 (DUS2) does not turn on during paper
feed from cassette 7 (side paper feeder/side large
capacity feeder).
F
4409 Duplex sensor 2 (DUS2) does not turn on during paper
feed from MP tray.
F
Code Contents Conditions
Jam
location*
*: Refer to figure 1-4-1 for paper misfeed indication (see page 1-4-1).