2F3/2F4
1-5-23
(6)
The paper size is not
recognized as the
size set with the
paper size dial.
Defective cassette size
switch.
Replace the cassette size switch.
Defective sensor PWB
(A0001).
Replace the sensor PWB (A0001).
Defective harness (S02861)
between cassette size
switch and sensor PWB
(A0001) or poor contact of
the connector terminals.
Check the continuity of the harness (S02861), check the connec-
tion YC703 connector of sensor PWB (A0001), if there is trouble,
remedy or replace.
Defective engine controller
PWB (A0004).
Replace the engine controller PWB (A0004). See page 1-6-41.
(7)
Paper misfeed dis-
play is not cancelled.
Defective registration sen-
sor.
Replace the sensor PWB (A0001).
Defective sensor PWB
(A0001).
Replace the sensor PWB (A0001).
Defective harness (S02849)
between engine controller
PWB (A0004) and sensor
PWB (A0001) or poor con-
tact of the connector termi-
nals.
Check the continuity of the harness (S02849), check the connec-
tion YC2 connector of the engine controller PWB (A0004), check
the connection YC701 and YC702 connectors of the sensor PWB
(A0001), if there is trouble, remedy or replace.
Defective exit sensor.
Check the continuity of the harness (S02849), check the connec-
tion YC691 connector of the fuser PWB (KP-970*
1
/A0003*
2
), if
there is trouble, remedy or replace.
Defective harness (S02853)
between power supply
PWB and fuser connector
or poor contact of the con-
nector terminals.
Check the continuity of the harness (S02853), check the connec-
tion YC902 connector of the power supply PWB, if there is trouble,
remedy or replace.
Defective engine controller
PWB (A0004).
Replace the engine controller PWB (A0004). See page 1-6-41.
Defective power supply
PWB.
Replace the power supply PWB. See page 1-6-41.
Problem
Causes
Check procedures/corrective measures
Replace the fuser PWB (KP-970*
1
/A0003*
2
).
Defective harness (S02849)
between fuser PWB (KP-
970*
1
/A0003*
2
) and fuser
connector or poor contact
of the connector terminals.
*
1
: 16 ppm printer, *
2
: 24 ppm printer
Содержание C5020N - FS Color LED Printer
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