BIXOLON SRP-F310/312 service manual Printing Quality Problems

SRP-F310/312

7-2-1 Printing Quality Problems

Problem	Probable Cause	Level	Checkpoint	Action
	Foreign substance on the		Check the foreign	Remove the foreign
		A	substance on the head	substance with a
	head surface
			surface	cleaning pen
Certain parts	Head surface is damaged	B	Check the damage of the	Replace the head
are printed			head surface such as dents
with vertical
	Internal IC of the head is	B	Damage of the internal IC	Replace the head
white lines
	damaged		of the head
	Vertical scratched trace on the		Check whether there are	Remove the
		A	obstructions such as
	paper			obstructions
			bumps
Certain parts
are printed	Damage to the internal IC of	B	Damage of the internal IC	Replace the head
with vertical	the head		of the head
black lines
			Check for damage to the
	Irregular feeding	B	gears and for foreign	Replace the gears
Horizontal			substances in the gear	or remove the
			profile	foreign substance
black lines
are
generated or	Feeding motor failure	B	Check whether the motor	Replace the motor
the vertical
			runs smoothly without load
width of the
characters is
			Check whether oil remains
reduced
			in the bearings holding the	Add oil for the
	Roller rotation is not smooth	A
			roller	bearings
	Roller and the head are not	A	Cover is not completely	Open the cover,
				then and
	attached properly		closed
				completely close it
Overall	The spring pushing the head is		Check whether the screws
		B	mounting the spring are	Fasten the screws
printing	not strong enough
			loose
density is low
	Head surface is damaged	B	Check for abrasions on the	Replace the head
			head surface

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