a printing sheet that is adapted for printing in an inkjet printer or the like . the sheet has a plurality of pits in the top surface . the pits accept the ink and hold the ink in place . the bottom surface of the sheet has a permanent electrostatic charge . the sheet may be constructed by etching an electreet compatible plastic sheet and then polling the sheet . alternatively , the sheet may be constructed by bonding a porous sheet to an electreet sheet .