3CC
1-3-1
1-3-1 Paper misfeed detection
(1) Paper misfeed indication
When a paper jam occurs, the machine immediately stops operation. The operation unit of the copier shows a jam message
and the jam location.
To reset the paper misfeed detection, open and close the desk left cover to turn the desk safety switch off and on.
(2) Paper misfeed detection conditions
DFCL
DPFCL-U
DPFCL-L
FSW3
FCL3
FSW2
DFSW
Figure 1-3-1 Paper feed desk
• No paper feed from desk upper drawer (jam code 12)
Feed switch 3 (FSW3) of the copier does not turn on within 880 ms of the desk upper paper feed clutch (DPFCL-U) turning
on; the clutch is then held off for 1 s and turned back on, but the switch again fails to turn on within 880 ms of the retry.
DPFCL-U
FSW3 (copier)
880 ms
On
Off
On
Off
880 ms
1 s
Timing chart 1-3-1
• No paper feed from desk lower drawer (jam code 13)
The desk feed switch (DFSW) does not turn on within 880 ms of the desk lower paper feed clutch (DPFCL-L) turning on; the
clutch is then held off for 1 s and turned back on, but the switch again fails to turn on within 880 ms of the retry.
DPFCL-L
DFSW
880 ms
On
Off
On
Off
880 ms
1 s
Timing chart 1-3-2
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