Kyocera KM-3050

2GN/2GP/2GR-5
1-4-21
(42)
A paper jam in
optional document
finisher is indicated
during copying
(reverse sensor jam).
Jam code 93
Defective reverse sensor. 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 if the reverse motor
malfunctions.
Check.
Check if the reverse roller
and reverse pulley contact
each other.
Check and remedy.
Check if the reverse guide
is deformed.
Check and remedy.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
(43)
A paper jam in
optional document
finisher is indicated
during copying
(paper entry sensor
stay jam).
Jam code 94
Extremely curled paper. Replace the paper.
Defective paper entry sen-
sor.
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 if the paper entry
guide is deformed.
Check and remedy.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
(44)
A paper jam in
optional document
finisher is indicated
during copying
(paper conveying
sensor jam).
Jam code 95
Defective paper conveying
sensor.
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 if the paper convey-
ing motor malfunctions.
Check.
Check if the paper convey-
ing roller and paper convey-
ing pulley contact each
other.
Check and remedy.
Check if the paper convey-
ing guide is deformed.
Check and remedy.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
(45)
A paper jam in
optional built-in fin-
isher is indicated dur-
ing copying (jam
between finisher and
machine).
Jam code 96
Defective intermediate tray
sensor.
With 5 V DC present at YC3-1 on the finisher control PWB, check
if YC3-2 on the finisher control PWB remains low or high when the
intermediate tray sensor is turned on and off. If it does, replace the
intermediate tray sensor.
Problem
Causes/check procedures Corrective measures