Zebra Technologies P420 user manual Magnetic Encoder Cleaning

B. MAGNETIC ENCODER CLEANING

There exists two different processes to clean the Magnetic Stripe Encoder. The first process consists of a standard cleaning of the printer. This cleans the most important parts of the printer; including the Print head, Transport Roller and Magnetic Stripe Encoder (refer to chapter 4 "Cleaning" for more instruc- tions).

The second process consists of a cleaning of the Magnetic Encoder using the Menu Button from the LCD Display.

To access the Magnetic Encoder Cleaning Menu proceed as below:

					1. Leave power on.
					2. Remove cards from the Card Feeder
					3. Insert	one Pre-Saturated	Cleaning Card
					(provided) through slot on the side of the Card
					Cartridge.
					4. Press the Menu button until the LCD screen
					shows CLEANING MENU.
					5. Press the Select button to select.
					6. Press the Menu button again until the LCD screen
					shows CLEAN MAG HEAD.
					7. Run this operation by pressing the Select button.
	ISO STANDARD ENCODING
		Track #	Field Separator	Track density		Valid Characters	# of characters
	1		^		210BPI*	Alphanumeric	79‡
						(ASCII 20∼95†)
	2		=		75BPI*	Numeric	40‡
						(ASCII 48∼62)
	3		=		210BPI*	Numeric	107‡
						(ASCII 48∼62)
	* Bit per inch
	† Except the '?' character
	‡ Including Start, Stop and LRC characters. Also note that these 3 characters are
		automatically managed by the magnetic encoder according to the ISO Standard Norms.
	NOTE: Refer to the Card Printer Programmer's Manual for complete programming information.
APPENDIX A							41