Kyocera Mita DC-1560, Руководство по обслуживанию

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1AF
3-6-36
(22)
The size of
paper placed
on the bypass
table is not
displayed cor-
rectly.
(23)
A paper jam
is indicated as
soon as the
main switch is
turned on.
Poor contact in the
bypass paper
length switch con-
nector terminals.
Poor contact in the
bypass paper
width switch con-
nector terminals.
Defective bypass
paper length
switch.
Defective bypass
paper width switch.
Poor contact in the
bypass table ex-
tended detection
switch connector
terminals.
Defective bypass
table extended
detection switch.
A piece of paper
torn from copy
paper is caught
around the regis-
tration or eject
switch.
Defective registra-
tion switch.
Defective eject
switch.
Check for continuity across the connector
terminals. If none, replace them.
Check for continuity across the connector
terminals. If none, replace them.
Check if CN12-2 on the main PCB goes low
when the bypass paper length switch is
turned on. If not, replace the bypass paper
length switch.
If the levels of CN12-7, -8 and -9 on the
main PCB do not change while the insertion
guides on the bypass table are moved, re-
place the bypass paper width switch.
Check for continuity across the connector
terminals. If none, replace them.
Check if CN12-4 on the main PCB goes low
when the bypass table extended detection
switch is turned on. If not, replace the by-
pass table extended detection switch.
Check visually and remove it, if any.
With 5 V DC present at CN17-1 on the main
PCB, if CN17-2 on the main PCB stays low
when the registration switch is turned on
and off, replace the registration switch.
With 5 V DC present at CN2-7 on the main
PCB, if CN2-8 on the main PCB stays low
when the eject switch is turned on and off,
replace the eject switch.
Problem Causes Check procedures/corrective measures