Kyocera TASKALFA 300I, Руководство по обслуживанию

Страница: 160 / 408

2K5
1-4-16
(28)
A paper jam in
optional document
finisher is indicated
during copying (eject
sensor stay jam).
Jam code 83 Built-in finisher
Defective paper conveying
switch. With 5 V DC present at YC2-23 on the finisher control PWB,
check if YC2-21 on the finisher control PWB remains low when
the paper conveying switch is turned on and off. If it does, replace
the paper conveying switch.
Check if the eject roller or
eject pulley is deformed. Check and remedy.
(29)
A paper jam in
optional document
finisher is indicated
during copying (eject
sensor non-arrival
jam).
Jam code 92 Defective eject sensor. 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 if the paper convey-
ing motor malfunctions. Check.
Check if the eject roller and
eject pulley contact each
other. Check and remedy.
Check if the eject guide is
deformed. Check and remedy.
Defective finisher main
PWB. Replace the finisher main PWB and check for correct operation.
(30)
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.
(31)
A paper jam in
optional document
finisher is indicated
during copying
(paper entry sensor
stay jam).
Jam code 94 Extremely curled paper. Change 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.
Problem Causes/check procedures Corrective measures