In The Lower Drawer; When The Main Switch Is Turned On; Others - Kyocera Mita KM-1530 Service Manual

Problem
(28) Poor contact in upper
The size of paper in paper size switch 4
the upper drawer is connector terminals.
not displayed
Defective upper paper size
correctly.
switch 4.
(29) Poor contact in the
The size of paper in connector terminals of
1
the lower drawer* lower paper size switch
1
is not displayed 1* , 2*
correctly.
Defective lower paper size
switch 1*
(30) Poor contact in the bypass
The printing width of size detection PCB
the paper on the connector terminals.
bypass tray is not
Defective bypass size
2
detected correctly.*
detection PCB.
(31) A piece of paper torn from
A paper jam in the copy paper is caught
paper feed, paper around the drawer feed
conveying or fixing switch*, registration
section is indicated switch or eject switch.
when the main
Defective drawer feed
switch is turned on.
switch*
Defective registration
switch.
Defective eject switch.
(32) Poor contact in the
The message connector terminals of
requesting covers to safety switch 1, 2 or 3*
be closed is
Defective safety switch 1,
displayed when the
2 or 3*
front cover, paper
conveying unit and
lower drawer left
1
cover* are closed.
(33) Wiring is broken, shorted

Others.

or makes poor contact.
Noise.
*1: Optional for 15 cpm copier.
*4: Optional for both 20 cpm and 15 cpm copiers.
Causes
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if CN9-8 on the main PCB goes low when upper paper
size switch 4 is turned on. If not, replace upper paper size switch
4.
Check for continuity across the connector terminals. If none,
replace them.
1 1 1
, 3* or 4* .
Check for continuity across each of lower paper size switches
1 1 1 1 1
, 2* , 3* or 4* . 1* , 2*
on, replace lower paper size switch 1*
Reinsert the connector. Also check for continuity within the
connector cable. If none, repair or replace the cable.
Check for continuity between CN6-7 and each of CN6-4, CN6-5
and CN6-6. If the continuity status does not change when the
position of the bypass slider is changed, replace the bypass
paper size detection PCB.
Check and remove if any.
With 5 V DC present at CN8-21 on the main PCB, check if CN8-
1
. 23 on the main PCB remains low when the drawer feed switch*
is turned on and off. If it does, replace the drawer feed switch*
With 5 V DC present at CN3-6 on the main PCB, check if CN3-7
on the main PCB remains low when the registration switch is
turned on and off. If it does, replace the registration switch.
With 5 V DC present at CN12-7 on the main PCB, check if
CN12-6 on the main PCB remains low when the eject switch is
turned on and off. If it does, replace the eject switch.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
1
.
Check for continuity across the contacts of each switch. If there
1
. is no continuity when the switch is on, replace it.
Check for continuity. If none, repair.
Locate the source of noise and remove.
*2: For 20 cpm copier only. *3: Optional for 220-240 V specifications of 15 cpm copier.
Check procedures/corrective measures
1 1 1
, 3* and 4* . If there is no continuity when each switch is
2AV/X
1 1 1 1
, 2* , 3* or 4* .
1
1
.
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