Section 6: MICR Features
Set AES Decryption Key Command &%STSETAESKEY<32 Hex Characters>$
The command also requires a MICR Password Command be sent prior to the Key Command.
The key data is similar to DES, but is twice in length with 32 Hex character format representing the 16 byte or
Turn DES Decryption ON | &%STDON$ |
Turn AES Decryption ON | &%STAON$ |
All data following the $ command terminator will be decrypted using the current key value stored in the printer and the DES orAES algorithm. Decryption continues until a Decryption OFF command is received, a print Timeout occurs, a printer panel reset occurs, or printer power is cycled. Printer software language resets do not stop decryption.
Turn DES Decryption OFF | &%STDOFF$ |
TurnAES Decryption OFF | &%STAOFF$ |
The OFF command resides within the encrypted data, and must also be encrypted. The OFF occurs after an
MFP Copy Defeat Commands
A Secure MICR printer with the Multi Function Printer (MFP) feature can scan and copy documents. This allows the end users to copy MICR documents with MICR toner. The Copy Defeat command will block the copy function when a MICR toner cartridge is installed, but allow the copy function with standard toner.
MFP MICR Copy Defeat ON | &%STMCDON$ |
MFP MICR Copy Defeat OFF | &%STMCDOFF$ |
Both commands require the MICR Password Command. The ON command blocks the copy function with MICR toner. The OFF command allows the copy function with MICR toner. The factory default is OFF
Note – Postscript Language print jobs downloaded from a host will not print with MICR toner if the Postscript job contains a copy count command. Copy Defeat = ON will reset copy count to 0, and nothing prints. Either the Copy Defeat function needs to be set to OFF or the copy count command needs to be removed if the user requires Postscript MICR printing. We tested a few Postscript printer drivers and did not detect copy count commands, but the specific data streams should be tested.
Secure MICR Printer User’s Guide July 2003
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