Kyocera KM-2530 Service Manual page 166

Feed switch 1 (FSW1) does not turn off within 1126 ms of the duplex paper conveying switch (DUPPCSW) turning off.
DUPPCSW
FSW1
8. SRDF*
• No original feed (jam code 70)
When the DF START signal is received, switches other than the original set switch (OSSW) and original size length switch
(OSLSW) on the contact glass are on.
• No original feed (jam code 70)
During the primary feed of the first original in the single-sided or double-sided original mode, the original feed switch (OFSW)
does not turn on within 800 ms of the original feed motor (OFM) turning on.
• No original feed (jam code 70)
During the primary feed of the second or later original in the single-sided or double-sided original mode, the original feed switch
(OFSW) does not turn on within 800 ms of the start of forward rotation of the original feed motor (OFM).
OFM
OFSW
• An original jam in the original feed/conveying section (jam code 71)
During the secondary original feed in the single-sided original mode, the DF timing switch (DFTSW) does not turn on within
967 ms of the start of reverse rotation of the original feed motor (OFM). Alternatively, during continuous original feed in single-
sided original mode, the DF timing switch (DFTSW) does not turn on for the second time under the above conditions.
OFM
DFTSW
• An original jam in the original feed section (jam code 72)
During the secondary original feed in the single-sided original mode, the original feed switch (OFSW) does not turn off within
1654 ms of the DF timing switch (DFTSW) turning on.
OFSW
DFTSW
*Optional.
1126 ms
Timing chart 1-5-48
800 ms
Timing chart 1-5-49
967 ms
Timing chart 1-5-50
1654 ms
Timing chart 1-5-51
OFF
ON
OFF
ON
OFF
ON (Fwd.)
OFF
ON
OFF
ON (Rev.)
OFF
ON
OFF
ON
OFF
ON
1-5-13
2DF