Is HP Ink Magnetic?
HP does not have a magnetic ink for the Officejet 8600 pro, but there are third party cartridges available. Search for "HP 950 MICR ink".
What Is Magnetic Ink? Magnetic ink is an extremely useful type of ink that makes processing personal checks fast, secure and accurate. It typically contains iron oxide particles that are magnetized and can be ready using specialized equipment that is compatible with Magnetic Ink Character Recognition (MICR) technology.
A Buyer's Guide to Purchasing Magnetic Ink | MICR
Enable fast, accurate document processing with precise, secure Magnetic Ink Character Recognition (MICR) prints. the HP MICR solution produces output that meets industry standards and precise specifications for print quality and signal strength. using HP MICR inks, your secure prints meet the AnsI X9.
The hP MICR solutIon
How do I know if my ink is magnetic?
There is a nine-digit number at the bottom-left end of the magnetic ink character recognition (MICR) line (the numbers printed in magnetic ink near the bottom of the front of the check). This is the routing code for the bank on which the check is drawn.
Spotting Forged Checks | Cornell University Division of Financial Affairs
In fact, all laser printer toner is slightly magnetic – that's how the laser directs it to the right spot on the page. It is even possible to buy MICR toner cartridges specifically for check printing.
Laser Printing, Magnetism, and You: How Self-Printed Checks Affect ...