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Cleaning the magnetic encoder
The magnetic encoder head requires regular maintenance in order to ensure the integrity of the data encoded onto cards.
Cleaning of the magnetic encoder is carried out when the printer runs an advanced cleaning sequence with impregnated «T» cards (see
the “Maintenance” section of this manual for further information).
Repeatedly running the cleaning card through the printer cleans the card feed rollers, the cleaning rollers, the print head and the
magnetic encoder read-write head.
If, in between two routine printer cleaning runs (every 1000 cards inserted), the read-write process fails with more than one card, it is
recommended to run an advanced printer cleaning sequence manually (please see the “Maintenance” section of this manual for the
procedure to follow).
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ISO 7811 magnetic encoding standards
1
Dots per inch
2
Except for the “?” character
3
Including the Start, Stop and LRC characters These characters are automatically handled by the magnetic encoder
Stripe number Separator Density Character set Number of characters
Stripe 1 ^ 210 ppp
1
Alphanumeric
(ASCII 20-95)
2
79
3
Stripe 1 = 75 ppp
1
Numeric
(ASCII 48-62)
2
40
3
Stripe 1 = 210 ppp
1
Numeric
(ASCII 78-62)
2
107
3
55
C
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General
Weight and Dimensions
