Epson DFX-8500 service manual

DFX-8500

Table 5-7. Printer Mechanism Repair 4/4

Symptom	Cause	Checkpoint	Solution
Printing occurs	The PW sensor is	Check the PW sensor.	Replace the PW
outside the paper	defective.		sensor.
width.
The paper bail	The plunger is	Check the coil resistance of the	Replace the plunger.
assembly does	defective.	plunger. (It should be about 9 ohms.)
not work.
Continuous paper	The tension value of	The distance between the frame and	Perform the tractor
becomes	the tractor wire spring	the seal securing the white line should	wire spring tension
crumpled at the	is incorrect.	be about 3 mm (0.12 inches).	adjustment, as
front or rear			described in Section
tractor assembly.			4.1.3.
The tractor select	The tractor select	Check the continuity of the tractor	Replace the tractor
(front or rear)	sensor is defective.	select sensor.	select sensor.
function is not
working.
	The tractor select	Visually check the tractor select gear	Join the tip of the
	gear is disconnected	holder.	tractor select lever to
	from the tractor select		the tractor select
	cam.		gear holder.

5-26 Rev. B