Konica Minolta 2300 Service Manual page 157

(4) Paper misfeed in the paper feed-in section of the Second paper cassette
(Tray2) 2300 DL & 2350 only
<Detection timing>
Category
Paper misfeed detected in
the paper feed-in section
Remaining paper detected
in the Second paper cas-
sette
<Remedy>
Electrical components for detection of the paper misfeed
2nd drawer take-up solenoid (SL7)
Synchronizing roller sensor (PC2)
Step Remedy
Perform initial check proce-
1
dures.
2 Check PC2 operation.
4 Check SL7 operation.
5 Replace PWB-A.
(5) Paper misfeed in the transport section, turnover section or storage section of
the duplex unit
<Detection timing>
Category
Paper misfeed detected in the
turnover, storage or transport
section
Remaining paper detected in
the transport section
<Remedy>
Electrical components for detection of the paper misfeed
Duplex unit transport sensor (PC17)
Step Remedy
Perform initial check proce-
1
dures.
2 Check PC17 operation.
If the end of the paper does not interrupt the synchronizing roller sen-
sor (PC2) when a set amount of time has passed after the 2nd drawer
take-up solenoid (SL7) is activated
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
2nd drawer control board (PWB-A)
Reference
page
Control signal
152
149 PC2_ON
150 SL7_REM
-
If the paper does not interrupt the duplex unit transport sensor (PC17)
when a set amount of time has passed
If the duplex unit transport sensor (PC17) is interrupted when the
machine is turned on, doors and covers are opened, then closed, and
paper misfeeds and malfunctions are corrected
Duplex unit control board (PWB-A)
Reference
page
Control signal
152
149 PC17_ON
157
Details
WARNING DIAGRAM
Location(electrical com-
ponent)
- -
5-D
7-F
- -
Details
WARNING DIAGRAM
Location(electrical com-
ponent)
- -
7-C