Konica Minolta 2300 Service Manual page 156

(2) Paper misfeed in the Second image transfer section
<Detection timing>
Category
Paper misfeed detected in the
Second image transfer section
Remaining paper detected in the
Second image transfer section
<Remedy>
Electrical components for detection of the paper misfeed
Synchronizing roller sensor (PC2)
Fusing paper loop detecting sensor (PC11)
Step Remedy
Perform initial check proce-
1
dures.
2 Check PC2 operation.
3 Check PC11 operation.
4 Replace PWB-A.
(3) Paper misfeed in the fusing section or the paper feed-out section
<Detection timing>
Category
Paper misfeed detected in If PC10 does not pass through when a set amount of time has passed
the paper feed-out section after the paper interrupts the exit sensor (PC10)
Remaining paper detected If the exit sensor (PC10) is interrupted when the machine is turned on,
in the paper feed-out sec- doors and covers are opened, then closed, and paper misfeeds and
tion malfunctions are corrected
<Remedy>
Electrical components for detection of the paper misfeed
Exit sensor (PC10)
Step Remedy
1 Perform initial check procedures.
2 Check PC10 operation.
3 Replace PWB-A.
Details
If PC2 does not pass through when a set amount of time has
passed after the paper interrupts the synchronizing roller sensor
(PC2)
If the light is not interrupted even after the paper has passed the
interruption position for the fusing paper loop detecting sensor
(PC11)
If the synchronizing roller sensor (PC2) is interrupted when the
machine is turned on, doors and covers are opened, then
closed, and paper misfeeds and malfunctions are corrected
Master board (PWB-A)
WARNING DIAGRAM
Reference
page
Control signal
152 -
149 PC2_ON
149 PC11_ON
- -
Details
Master board (PWB-A)
Reference
page
Control signal
152 -
149 PC10_ON
- -
156
Location(electrical com-
ponent)
-
5-D
9-B
-
WARNING DIAGRAM
Location(electrical
component)
-
3-D
-