Chapter 4 Handling Cleaning the MICR Unit Dirt on the MICR unit may cause frequent magnetic character reading errors. Clean the MICR unit every 6 months or every 100,000 passes. Use the TM-S1000 utility your application to clean the MICR unit. Use a commercially available cleaning sheet. Do not use sticky cleaning sheets. They may cause a paper jam or machine failure. Be sure to dispose of used cleaning sheets. CAUTION For detailed information on cleaning procedures, see the manuals for the self-test tool or your application. It is recommended to clean the MICR unit once per week or once every 2,000 checks for good reading results.
It is recommended to clean the image scanner after cleaning the MICR unit. (See "Cleaning the Image Scanner" on page 54 ) 4 55