Kyocera Mita FS-C5016N - Color LED Printer Service Manual page 63

Problem
(3) Defective top cover/paper
" Close paper feed unit switch (SW701) of
transfer unit" the sensor PWB (KP-982).
display is not
Malfunctioning interlock rod
cancelled to closing
that interfaces between the
the paper feed unit.
top cover and the top cover/
paper feed unit switch
(SW701).
Defective engine controller
PWB (KP-1054).
Defective harness (S02849)
between engine controller
PWB (KP-1054) and sensor
PWB (KP-982) or poor con-
tact of the connector termi-
nals.
(4) Defective cassette size
" Cassette 1 not switch.
loaded" display is
Defective sensor PWB (KP-
not cancelled to
982).
closing the paper
cassette.
Defective harness (S02861)
between cassette size
switch and sensor PWB
(KP-982) or poor contact of
the connector terminals.
Defective harness (S02849)
between engine controller
PWB (KP-1054) and sensor
PWB (KP-982) or poor con-
tact of the connector termi-
nals.
Defective engine controller
PWB (KP-1054).
(5) The waste toner full sensor
" Check waste or the waste toner full sen-
toner box" display sor [PWB] (KP-974) the
is not cancelled to sensor section is dirty.
replacing the waste
Defective harness (S02863)
toner box.
between bias high voltage
PWB (KP-980) and waste
toner full sensor [PWB]
(KP-974) or poor contact of
the connector terminals.
Defective harness (S02862)
between waste toner full
sensor and waste toner full
sensor [PWB] (KP-974) or
poor contact of the connec-
tor terminals.
Defective engine controller
PWB (KP-1054).
Causes
Replace the sensor PWB (KP-982).
Check to see if the interlock rod malfunctions. If it malfunctions,
repair it.
Replace the engine controller PWB (KP-1054). See page 1-6-25.
Check the continuity of the harness (S02849), check the connec-
tion YC2 connector of the engine controller PWB (KP-1054),
check the connection YC701 and YC702 connectors of the sensor
PWB (KP-982), if there is trouble, remedy or replace.
Replace the cassette size switch.
Replace the sensor PWB (KP-982).
Check the continuity of the harness (S02861), check the connec-
tion YC703 connector of sensor PWB (KP-982), if there is trouble,
remedy or replace.
Check the continuity of the harness (S02849), check the connec-
tion YC2 connector of the engine controller PWB (KP-1054),
check the connection YC701 and YC702 connectors of the sensor
PWB (KP-982), if there is trouble, remedy or replace.
Replace the engine controller PWB (KP-1054). See page 1-6-25.
Replace the waste toner full sensor or the waste toner full sensor
[PWB] (KP-974).
Check the continuity of the harness (S02863), check the connec-
tion of YC802 connector of the bias high voltage PWB (KP-980),
check the connection of YC682 connector of the waste toner full
sensor [PWB] (KP-974) if there is trouble, remedy or replace.
Check the continuity of the harness (S02862), check the connec-
tion YC681 connector of the waste toner full sensor [PWB] (KP-
974), if there is trouble, remedy or replace.
Replace the engine controller PWB (KP-1054). See page 1-6-25.
Check procedures/corrective measures
FS-C5016N
1-5-19