Kyocera KM-C2525E Service Manual page 190

2JL/2JJ/2JG/2JD
Problem
(44)
A paper jam in
optional document
finisher is indicated
during copying
(reverse sensor jam).
Jam code 93
(45)
A paper jam in
optional document
finisher is indicated
during copying
(paper entry sensor
stay jam).
Jam code 94
(46)
A paper jam in
optional document
finisher is indicated
during copying
(paper conveying
sensor jam).
Jam code 95
1-4-20
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Causes/check procedures
Defective reverse sensor.
Check if the reverse motor
malfunctions.
Check if the reverse roller
and reverse pulley contact
each other.
Check if the reverse guide
is deformed.
Defective finisher main
PWB.
Extremely curled paper.
Defective paper entry sen-
sor.
Check if the paper entry
guide is deformed.
Defective finisher main
PWB.
Defective paper conveying
sensor.
Check if the paper convey-
ing motor malfunctions.
Check if the paper convey-
ing roller and paper convey-
ing pulley contact each
other.
Check if the paper convey-
ing guide is deformed.
Defective finisher main
PWB.
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Corrective measures
With 5 V DC present at CN14-5 on the finisher main PWB, check
if CN14-7 on the finisher main PWB remains low or high when the
reverse sensor is turned on and off. If it does, replace the reverse
sensor.
Check.
Check and remedy.
Check and remedy.
Replace the finisher main PWB and check for correct operation.
Change the paper.
With 5 V DC present at CN14-1and CN14-3 on the finisher main
PWB, check if CN14-2 and CN14-4 on the main PCB remains low
or high when the paper entry sensor is turned on and off. If it does,
replace the paper entry sensor.
Check and remedy.
Replace the finisher main PWB and check for correct operation.
With 5 V DC present at CN4-4 on the finisher main PWB, check if
CN4-6 on the finisher main PWB remains low or high when the
paper conveying sensor is turned on and off. If it does, replace the
paper conveying sensor.
Check.
Check and remedy.
Check and remedy.
Replace the finisher main PWB and check for correct operation.