with polish and bleach
MICR devices can read:Numbers
Because the ink absorbs deeper into the paper than pencil does.
MICR(magnetic ink character recognition)
MICR stands for magnetic ink character reader
The Brother MICR (Magnetic Ink Character Recognition) Toner is used to print MICR fonts due to the encoding, secure blank cheque paper and other types of documents that cannot be achieved with a regular printer.
To erase ballpoint ink from a document, you can try using an eraser or a specialized ink eraser. Gently rub the eraser over the ink spot until it starts to fade. Be careful not to tear the paper while erasing.
One way to try to erase gel pen ink from a piece of paper is to use an eraser specifically designed for ink, like a vinyl eraser. You can gently rub the eraser over the ink marks to try to fade or remove them. Alternatively, you can try covering the ink with correction fluid or tape to mask it.
"MICR checks are printed with a special laser and magnetic toner. They must be printed on safety paper as well. They cannot be printed on an inkjet printer, as the required magnetic ink is not manufactured for them."
MICR readers are one type of device capable of reading text printed with magnetic ink.
There are two great places that you can purchase office supplies such as ink online. The best places to buy the MICR ink would be on Amazon or OfficeMax.
Magnetic Ink Character Recognition