MBM FC-10, Руководство по обслуживанию

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12.9 Crisscross does not work.
CRISSCROSS lamp is not lit. Set the crisscross mode ON.
↓
Check external
conditions
It works if stacking table is removed. Set the stacking table properly.
↓
AC20V cannot be detected between pins
1 and 3 of the operation circuit board
CN-10.
The transformer is faulty.
↓
Motor emits sound when the
CRISSCROSS key is pressed.
Loosening of mechanical part.
↓
DC24V cannot be detected between pins
3 and 4 of the operation circuit board
CN-12 while the CRISSCROSS key is
d
The operation circuit board is faulty.
↓
DC24V cannot be detected between pins
1 and 2 of the crisscross relay connector
while the CRISSCROSS key is pressed.
Check the motor harness.
↓
Resistance value of crisscross motor is
between 50 and 150
Ω
.
The operation circuit board is faulty.
↓
Remove the cover on
the operator side and
check the working
status while setting
the TEST mode.
Crisscross motor is out of order.
12.10 EJECT lamp remains lit.
Stacking table is full. Remove the paper.
↓
It lights out if the stacking table is
removed. The stacking table is not properly set.
Check if the machine is installed on a level floor.
↓
Check exterior
conditions
The machine is exposed to direct sunlight.
Place the machine at a different place.
Take an appropriate measure to shield it against
the direct sunlight.
↓
EJECT lamp lights while the TEST mode
is set.
Clean the paper stacking (ejection) sensor.
The paper stacking (ejection) sensor is defective.
↓
Check the status
while the TEST
mode is set.
The value of photo check mode b is 0 or
less.
Clean the full stacking sensor.
Full stacking sensor is defective.