Kyocera DP-750 Service Manual page 71

Section Jam code
DP 79
An original jam in the
original eject section
Conditions
During single scanning or dual scanning, the original eject
switch (OESW) does not turn on within specified time of the
DP timing switch 1 (DPTSW1) turning on.
During duplex switchback scanning, the original eject
switch (OESW) does not turn on within specified time since
switchback ejection starts.
During single scanning or dual scanning, the original eject
switch (OESW) does not turn off within specified time of the
DP timing switch 1 (DPTSW1) turning off.
3LL/3LK-2
Specified time
1705 ms
841 ms
1705 ms
1-4-5