This is the pen board that drives HP ink cartridges.
C8855-60005 or C8855-60004
Pitney Bowes Part number:
WG00063 Pen Driver PCB: Newport Bd. HP C8855M
For many Pitney Bowes, Neopost and Hasler printers.
Please check that the board you are replacing has the exact same numbers on it: C8855-60005 or C8855-60004