3A7
1-3-2
(2) Original misfeed detection condition
• No original feed (jam code 70)
During the primary feed of the second or later original, the DF timing switch (DFTSW) does not turn on within 1410 original
feed motor (OFM) pulses of the start of forward rotation of the original feed motor (OFM). After up to five retries, the DF
timing switch (DFTSW) still fails to turn on.
1410 P*
OFM
DFTSW
Off
On (Fwd.)
Off
On
* Burst of OFM pulses
Timing chart 1-3-1
• An original jam in the original feed and conveying sections (jam code 73)
During the secondary original feed, the DF timing switch (DFTSW) does not turn off within 10200 original conveying motor
(OCM) pulses of the DF timing switch (DFTSW) turning on.
10200 P*
DFTSW
Off
On
* Burst of OCM pulses
Timing chart 1-3-2
During the secondary original feed, the DF timing switch (DFTSW) turns off within 1764 original conveying motor (OCM)
pulses of the DF timing switch (DFTSW) turning on.
1764 P*
DFTSW
Off
On
* Burst of OCM pulses
Timing chart 1-3-3
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