Epson EU-T432 Technical Manual page 59

Confidential
Table 5-1 Troubleshooting
Phenomenon
Paper is not Paper is not fed
fed. smoothly.
Paper is not fed.
Paper feeding The character
pitch is spacing is not
defective. uniform.
5-6 Repair
Condition Cause
(1)The paper roll
supply module
does not
oscillate
properly.
(2) The paper size is
not correct.
(1)Abnormal input
signal or paper
feed motor
failure
(2)The paper feed
connector is
disconnected.
(3)Power
transmission parts
(gears) are
damaged, or
foreign matter is
caught between
gears.
(1)The paper roll
supply module
does not
oscillate
properly.
(2)Power
transmission parts
(gears) are
damaged, or
foreign matter is
caught between
gears.
Level Where/how to check
B Check if the paper is
pulled out smoothly.
(The paper tension
loading should be less
than the rating value.)
A Check the paper
diameter, width, and
thickness.
B Check the power
supply voltage, input
signal, and operation
of each paper feed
motor.
A
Check if each paper
feed motor is
connected properly.
•Check the power
B
transmission state of
each gears.
•Check if no foreign
matter is caught
between geas.
B Check if the paper is
pulled out smoothly.
(The paper tension
loading should be less
than the rating value.)
•Check the power
B
transmission state of
each gear.
•Check if no foreign
matter is caught
between gears.
Procedure
•Load the paper
properly.
•Replace the paper
roll supply module if
the oscillation
loading of the
paper supply
module is
excessive.
Use the specified
paper.
•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.
Connect the
connector properly.
•Replace damaged
gears.
•Remove foreign
matter if there is
any.
•Load the paper
properly.
•Replace the paper
roll supply module if
the oscillation
load of the paper
supply module is
excessive.
•Remove foreign
matter if there is
any.
•Replace damaged
gears .
Rev. A