Kyocera KM-6030 Service Manual page 230

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