EDGE Tech QL Series manual 50

QL 420 Cleaning

Area	Method		Interval
	Use the supplied cleaning pen or 70%
Printhead	isopropyl alcohol on a cotton swab to
(Figure 21)	clean the print elements from end to end		After every five
	(the print elements are located in the thin
	gray line on the printhead).		rolls of media
			(or more often,
			if needed)
	Rotate the platen roller and clean it
			Linerless media
Platen	thoroughly with the cleaning pen or 70%		requires more
	isopropyl alcohol and a cotton swab.		frequent
Roller			cleaning
(Figure 21)	Units with linerless platens: Rotate
	platen & clean bearing points only. Avoid
	use of alcohol on the surface of linerless
	platens!
Peel bar	Clean thoroughly with the cleaning pen or		As needed
(Figure 21)	70% isopropyl alcohol and a cotton swab.
Scraper	Clean thoroughly with the cleaning pen		After every five
(Linerless units			rolls of media
	or 70% isopropyl alcohol and a cotton
only) Figure 21			(or more often,
			if needed)
Tear bar	Clean thoroughly with the
	cleaning pen or 70% isopropyl
(Figure 21)
	alcohol and a cotton swab.
			As needed
Exterior	Water-dampened cloth
	Brush/air blow. Ensure the Bar Sensor, Gap
	Sensor and Label Present Sensor windows are
Interior	free of dust.
(Figure	Units with linerless platens:		After every five
21)
	Clean inside surfaces of edge guides & media
			rolls of media
	rollers with the supplied cleaning pen or 70%
			(or more often,
	isopropyl alcohol on a cotton swab.
			if needed)
	Clean thoroughly with the cleaning pen
	or 70% isopropyl alcohol and a cotton		After every five
	swab.
Media Rollers			rolls of media
(Figure 18)	Units with linerless platens: Rotate media		(or more often,
	rollers & clean bearing points only. Avoid		if needed)
	use of alcohol on the surface of the
	media rollers!
		50
	QL Series User Guide