Table of Contents
1. MICR Overview.......................................................................................................2
The Check Clearing System........................................................................................2
MICR Printing Standards in the United States Today ..................................................2
2. MICR Check Design ...............................................................................................4
General Features of Check Design..............................................................................4
Position and Dimension Gauge...................................................................................4
Design Elements in Detail ...........................................................................................4
Data Elements.............................................................................................................5
3. Quality Issues.........................................................................................................9
Printer Features.........................................................................................................10
MICR Toner...............................................................................................................10
MICR Check Stock....................................................................................................10
4. Security Issues.....................................................................................................12
5. MICR Features......................................................................................................14
MICR Mode...............................................................................................................14
MICR Fonts...............................................................................................................14
Secure Fonts.............................................................................................................14
MicroPrint..................................................................................................................14
Bi-Directional Feedback ............................................................................................15
Resource Storage .....................................................................................................16
MICR Menu...............................................................................................................16
Entering MICR Mode.................................................................................................17
MICR Mode Commands............................................................................................18
DES and AES Decryption..........................................................................................22
Custom Character Conversion Command.................................................................24
MICRpoint Feature....................................................................................................25
6. Host Programming Features and Examples.......................................................27
Hex Transfer .............................................................................................................27
Escape Character Translation...................................................................................31
7. Audit Trail Reports...............................................................................................33
Report Details ...........................................................................................................33
Audit Trail Menu........................................................................................................33
Audit Location ...........................................................................................................33
Audit Record Sorting .................................................................................................33
Overlay......................................................................................................................33
Sum Field 4...............................................................................................................33
Print Audit Report......................................................................................................34
8. Error Messages....................................................................................................43
Appendix A: E13B MICR Font Mapping.....................................................................47
Appendix B: CMC7 MICR Font Mapping....................................................................48
Appendix C: Secure Numeric Font Mapping.............................................................50
Appendix D: ICR Secure Numeric Font Mapping......................................................53
Appendix E: MICR Mode Command Summary..........................................................54
Appendix F: Audit Report Command Summary........................................................55
Appendix G: PJL Based MICR Commands................................................................56
PJL MICRJOB...........................................................................................................56
Fonts and Secured Resources..................................................................................57
PJL Unlock Sequence...............................................................................................57
Source Technologies, LLC ST9720 Secure MICR Printer User’s Guide
