3K5
1-4-2
Section Jam code Conditions Specified
time
DP 70
No original feed
The DP timing switch (DPTSW) does not turn on within spec-
ified time during the first sheet feeding (Retry 5 times).
1468 pulses
The DP timing switch (DPTSW) does not turn on within spec-
ified time during the second sheet feeding (Retry 5 times).
1468 pulses
71
An original jam in the orig-
inal conveying section 1
DP timing switch (DPTSW) does not turn off within specified
time of the original conveying motor (OCM) turning on.
9900 pulses
30558 pulses
for large
sizes
72
An original jam in the orig-
inal conveying section 2
DP timing switch (DPTSW) turns off within the specified time
of period of the original conveying motor (OCM) turning on.
1145 pulses
73
An original jam in the orig-
inal switchback section
During original switchback operation, DP timing switch
(DPTSW) does not turn off within specified time of the origi-
nal conveying motor (OCM) turning on.
9900 pulses
30558 pulses
for large
sizes
74
An original jam in the orig-
inal switchback/feed sec-
tion
DP timing switch (DPTSW) does not turn on within specified
time of the original switchback motor (OSBM) turning on.
2300 pulses
75
An original jam in the orig-
inal switchback/convey-
ing section
The original switchback switch (OSBSW) does not turn on
within specified time of the DP timing switch (DPTSW) turn-
ing off.
1815 pulses
78
Document processor
cover open
The document processor or document processor top cover is
opened during original feeding.
DP timing switch (DPTSW) or original switchback switch
(OSBSW) turns on when starting the original paper feed.
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Service Manual Y108671-9
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