Original Misfeed Detection Conditions - Kyocera Mita KM-4230 Service Manual

2-2-4 Original misfeed detection conditions

• Initial movement confirmation JAM
When the DF START signal is received, switches other than the original set switch
(OSSW) and the original size length switch (OSLSW) on the original table are on.
• No paper 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 3150
original feed motor (OFM) pulses from 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 3425 original feed motor (OFM) pulses from
the start of reverse rotation of the original feed motor (OFM). Alternatively, during
continuous original feed in the single-sided original mode, the DF timing switch
(DFTSW) does not turn on for the second time under the above conditions.
OFM
DFTSW
During the secondary original feed in the single-sided original mode, the original feed
switch (OFSW) has not turned off before the DF timing switch (DFTSW) turns off.
3150 P*
Timing chart 2-2-33
3425 P*
Timing chart 2-2-34
Off
On (Fwd.)
Off
On
* Burst of OFM pulses
Off
On (Rev.)
Off
On
* Burst of OFM pulses
2A3/4
2-2-15