
Source Technologies, LLC                                                             ST9650 Secure MICR Printer User’s Guide  
68
Description  Command  Structure Function 
Password  &%STFPASSWORD$ 
&%STHPASSWORD$ 
Must be sent to enable 
MICR Mode 
MICR Definition  &%SMCPxxxx$  MICR Line Count command 
Set New Password  &%STExxxxxxxx$ 
Sets new password. Must 
be preceded by current 
password 
Activate/Set Front Panel   &%STSxxxxxxxxx$  Turns on and sets front 
panel 
Combination    Combination Lock, must be 
8 integers 
Print MICR E13B Font  &%SMDddd...ddd$ 
Prints E13-B MICR font at 
the current print position. 
Please refer to Appendix A. 
Print MICR CMC7  &%SM7ddd...ddd$ 
Prints CMC-7 MICR font at 
the current print position. 
Please refer to Appendix B. 
Print Secure Numeric Font  &%SMFddd...ddd~ 
Prints the Secure Numeric 
font at the current print 
position. 
Note: The tilde is the command terminator, see Appendix C. 
Print ICR Secure Numeric 
Font &%SMIxxxxxx~ 
Prints the ICR Secure 
Numeric Font at the current 
print position. Refer to 
Appendix D. 
Print in MicroPrint &%SMMxxxxxx$ Prints data in MicroPrint font
Load Flash Resource &%STLxxxxxyyyyyyzddd...
dd$ 
Loads a Flash Resource file 
into password protected 
Flash memory 
Format Flash Memory &%SFF$ 
Formats Flash memory 
Caution: All Flash content 
will be lost. 
Flash Resource Unlock &%STPxxxxx$ 
Makes Flash Resource 
Command available to be 
called, must be 5 integers 
Tray Lock Command &%STTL#$ Locks Tray 1, 2 or 3 for  
MICR Printing 
Unlock Tray Command &%STTU#$ 
Locks Tray 1, 2, or 3 
Tray Swapping Commands 
&%STTSON  
&%STTSOFF$
Turns tray swapping ON 
Turns tray swapping OFF 
Quit MICR MODE 
Command &%STQ$ Terminates MICR Mode 
Appendix E