Epson EU-T432 Technical Manual page 60

Confidential
Table 5-1 Troubleshooting
Phenomenon
Paper feeding The character
pitch is spacing is not
defective. uniform.
Paper cannot Paper is not cut
be cut. automatically.
Platen unit can Platen unit does
not open/ not open.
close.
Platen unit does
not close.
Rev. A
Condition Cause
(3)Abnormal input
signal or paper
feed motor
failure
(4)Paper feed slip
due to the
platen wear and
paper powder
(1)Foreign matter
inside the
autocutter
(2)Abnormal input
signal or inner
mechanism
damage of the
autocutter
The cutter blade is
not in the home
position.
Foreign matter
inside the printer.
EU-T432 Technical Manual
Level Where/how to check
B Check the power
supply voltage, input
signal, and operation
of each paper feed
motor.
B Check the friction force
of the platen surface.
A Check whether foreign
matter is inside the
autocutter.
B Check the power
supply voltage, input
signal, and operation
of the cutter motor.
B Check if the cutter
blade is in the home
position.
A Check whether foreign
matter is inside the
printer.
Procedure
•Replace the
control circuit
board module if
there is any
problem with the
power supply
voltage, input
signal.
•Replace the motor
if there is any
problem with the
motor operation.
•Clean the platen if
paper powder
accumulates on it.
•Replace the platen
if it is worn out.
Remove foreign
matter if there is
any.
•Replace the
control circuit
board module if
there is any
problem with the
power supply
voltage, input
signal.
•Replace the motor
if there is any
problem with the
autocutting
operation.
Turn the knob to
return the cutter
blade to the home
position.
Remove foreign
matter if there is
any.
Repair 5-7