Toshiba B-SX4T Series Specification page 76

Notes (1) The check digit attachment, increment/decrement, and zero suppress processes
are performed according to the following priority. If any of the conditions are
improper, no drawing will take place.
For example, the zero(s) is replaced by a space(s) as a result of zero
suppression but the modulus 10 designated to be attached cannot be
calculated.
Increment/decrement > zero suppression > attachment of check digit
(2) Up to 32 fields for which incrementing/decrementing has been designated can be
drawn. If the total bit map font, outline font, and bar code increment/decrement
fields exceeds 32, drawing will take place without incrementing/decrementing any
excessive field. The field to be incremented or decremented is incremented or
decremented until the Image Buffer Clear Command ([ESC] C) is transmitted.
[Example]
1) Format Command (Increment character string No. 001 (+1))
2) Format Command (No incrementing for character string No. 002)
3) Format Command (Increment character string No. 003 (+2))
4) Image Buffer Clear Command
5) Data Command (Character string No. 001 "0001")
6) Data Command (Character string No. 002 "AB-")
7) Data Command (Character string No. 003 "0100")
8) Issue Command (2 labels)
0001
AB - 0100
0002
AB - 0102
9) Issue Command (1 label)
0003
AB - 0104
10) Image Buffer Clear Command
11) Data Command (Character string No. 002 "00000")
12) Issue Command (1 label)
00000
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