How does the printer identify a MICR output?
‘MICR enabled LaserJet printers can also function as a normal LaserJet to handle non-MICR applications. The “MICR mode” personality is activated within the printer by a proprietary escape sequence embedded into the beginning of the data stream. “MICR mode” once activated will look for the installation of MICR toner. If standard toner is present the panel indicates “NO MICR Toner”, so simply replace the standard cartridge with a specific MICR cartridge and continue. The “MICR mode” operation will automatically set printer density variables to insure the best MICR font reproduction and change the printer operation to process the MICR encoded documents. In fact, the resident MICR font is addressed similarly to calling any other printer resident font, via an escape sequence embedded into the data prior to the MICR print information. Optional password and control panel lock features can be set up at the beginning of the data stream to further protect against unauthorized access to the resid
