Epson DFX-5000+, Service Manual

Page: 186 / 223

Troubleshooting
Table 5-7. Printer Mechanism Repair (continued)
Symptom Cause
The PG motor does The PG home
not operate. sensor is defective.
Checkpoint Solution
Check the continuity Replace the PG
of the sensor. home sensor (micro
(Check the status of switch type).
the two micro
switches.)
The PG motor is
defective. Check the coil Replace the PG
resistance of the PG motor.
motor. (It should be
about 250 ohms.)
Printing continues
past the end of the
paper.
When paper jams,
the printer does not
beep.
The front, rear, or
top PE sensor is
defective.
The paper jam
sensor is defective.
Check the PE Replace the PE
sensor. sensor.
Check the paper jam Replace the paper
sensor. jam sensor.
Printing occurs
outside the paper
width.
The PW sensor is
defective. Check the PW
sensor. Replace the PW
sensor.
The paper bail
assembly does not
work. The plunger is
defective. Check the coil
resistance of the
plunger. (It should
be about 9 ohms.) Replace the plunger.
Continuous paper
becomes crumpled
at the front or rear
tractor assembly.
The tension value of The distance Perform the tractor
the tractor wire between the frame wire spring tension
spring is incorrect. and the seal adjustment, as
securing the white described in Chapter
line should be about 4.
3 mm inches).
The tractor select
(front or rear)
function is not
working.
The tractor select Check the continuity Replace the tractor
sensor is defective. of the tractor select select sensor.
sensor.
The tractor select Visually check the Join the tip of the
gear is disconnected tractor select gear tractor select lever to
from the tractor holder. the tractor select
select cam. gear holder.
EPSON Service Manual 5-19