Cognitive Solutions B780 Manual De Usuario

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Chapter 5: Programming commands  115
A776-PG00001 C 12/09 
A776 (B780) Programming Guide
Transmit last MICR read
ASCII
ESC w R 
Hexadecimal:  1B 77 52 
Decimal: 
27 119 82
Resends the previously decoded MICR data (as if the parsing has not been defined) to the host. The return  
data is defined in the “Read MICR data and transmit” command (1B 77 01) without parsing and presents the data from 
the last MICR read since power-up or reset or indicates in the status that no read has yet occurred.
MICR parsing
This section describes MICR parsing in detail and includes several examples of useful parsing variations. It also 
describes how to create a parsing format and how to create and maintain an exception table.
Define parsing format, save in NVRAM
ASCII
ESC w P d1 d2 … dn CR 
Hexadecimal:  1B 77 50 d1 d2 … dn 0D 
Decimal: 
27 119 80 d1 d2 … dn 13
Defines and saves parsing format. See parsing parameter string options in this document. Send with this command 
the parse data that is to be the default parse string at printer power-up. If no parameters are selected, parsing is not 
performed.
d1 through dn are the parse string. The string must be CR terminated. If the string has invalid characters in it or is too 
long, the printer will store a null string, and unparsed MICR data will be returned.
Define parsing format, do not save permanently
ASCII 
ESC w p 
Hexadecimal  1B 77 70 
Decimal 
27 119 112
Defines, but does not save parsing format. See parsing parameter string options in this document. Send as often as 
desired to change the previous parse format string. 
If no parameters are selected, parsing is not performed.
Same parameters as 1B  77  50....
Parsing parameter string options
Variable length fields
Variable length field name 
Selector 
Comments
Transit number 
Full 9-digit routing/transit number
Bank number 
Digits 4–8 of transit number
Check digit 
Digit 9 of transit number
Account number 
Check serial number 
Separate from account number
Amount 
This field may not be present or readable
Variable length field  
Selector 
Comments 
optional modifiers 
Zero fill to length 
0  
ASCII zero preceding maximum length
Maximum length 
nn 
1- or 2-digit ASCII number
Remove space/dash 
Replace space/dash with 0