Kyocera KM-2540 Service Manual page 127

Problem
(26) Document finisher
A paper jam in
Extremely curled paper.
optional document
finisher is indicated
Defective paper entry sen-
during copying
sor.
(paper jam during
paper insertion to the
finisher).
Defective finisher main
Jam code 81
PWB.
Built-in finisher
Extremely curled paper.
Defective paper conveying
switch.
Check if the feedshift roller
or feedshift pulley is
deformed.
(27) Document finisher
A paper jam in
Defective staple home posi-
optional document
tion sensor.
finisher is indicated
during copying (fin-
isher stapler jam).
Built-in finisher
Jam code 82
The stapler is blocked with
a staple.
Defective stapler section.
(28) Document finisher
A paper jam in
Defective eject sensor.
optional document
finisher is indicated
during copying (eject
sensor stay jam).
Jam code 83
Check if the paper convey-
ing motor malfunctions.
Check if the eject roller and
eject pulley contact each
other.
Check if the eject guide is
deformed.
Defective finisher main
PWB.
Causes/check procedures Corrective measures
Change the paper.
With 5 V DC present at CN14-1 and CN14-3 on the finisher main
PWB, check if CN14-2 and CN14-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.
Replace the finisher main PWB and check for correct operation.
Change the paper.
With 5 V DC present at YC2-23 on the finisher control PWB,
check if YC2-21 on the finisher control PWB remains low or high
when the paper conveying switch is turned on and off. If it does,
replace the paper conveying switch.
Check and remedy.
With 5 V DC present at CN10-2 on the finisher main PWB, check
if CN10-5 on the finisher main PWB remains low or high. If it does,
replace the stapler section.
Remove the stapler cartridge, and check the cartridge and the sta-
pling section of the stapler. Remove the staple if any.
With 5 V DC present at YC2-24 on the finisher control PWB,
check if YC2-19 on the finisher control PWB remains low or high.
If it does, replace the stapler section.
With 5 V DC present at CN5-4 on the finisher main PWB, check if
CN5-6 on the finisher main PWB remains low or high when the
eject sensor is turned on and off. If it does, replace the eject sen-
sor.
Check and remedy.
Check and remedy.
Check and remedy.
Replace the finisher main PWB and check for correct operation.
2JB/2JC
1-4-15