Kyocera KM-6030, Service Manual

Page: 230 / 463

2FB/2FC-4
1-5-67
(52)
No transfer bias is
output. 1. Faulty connection of con-
nector of transfer high
voltage PWB.
See 1-5-48.
2. Defective engine PWB.
3. Defective transfer high
voltage PWB.
(53)
The original size is
not detected. 1. Defective original detec-
tion switch.
If the level of YC9-2 on the scanner PWB does not go low when
the original detection switch is turned on and off, replace the origi-
nal detection switch.
(54)
The original size is
not detected cor-
rectly. 1. Original is not placed cor-
rectly.
Check the original and correct if necessary.
2. Poor contact in the origi-
nal size detection sensor
connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective original size
detection sensor.
Check if sensor operates correctly. If not, replace it.
(55)
The touch panel keys
do not work. 1. Poor contact in the touch
panel connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective touch panel,
operation PWB or main
PWB.
If any keys do not work after the touch panel has been initialized,
replace the touch panel, operation PWB or main PWB.
(56)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 1. 1. Poor contact in paper
empty switch 1 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective paper empty
switch 1.
Check if YC7-B5 on the deck PWB goes low when paper empty
switch 1 is turned on with 5 V DC present at YC7-B6 on the deck
PWB. If not, replace paper empty switch 1.
3. Defective deck PWB. Replace the deck PWB even if checking or correcting other mea-
sures.
(57)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 2. 1. Poor contact in paper
empty switch 2 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective paper empty
switch 2.
Check if YC7-B11 on the deck PWB goes low when paper empty
switch 2 is turned on with 5 V DC present at YC7-B12 on the deck
PWB. If not, replace paper empty switch 2.
3. Defective deck PWB. Replace the deck PWB even if checking or correcting other mea-
sures.
(58)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 3. 1. Poor contact in paper
empty switch 3 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective paper empty
switch 3.
Check if YC4-9 on the cassette PWB goes low when paper empty
switch 3 is turned on with 5 V DC present at YC4-7 on the cas-
sette PWB. If not, replace paper empty switch 3.
3. Defective cassette PWB. Replace the cassette PWB even if checking or correcting other
measures.
Problem Causes Check procedures/corrective measures