One 500-sheet pack of paper for a copy machine or a printer
... 
copiers, plain-paper fax machines and printers; Reliable copy paper perfect for... [DOC] [TLE] Staples Copy Paper 8 1/2" x 11", Case | Staples [PAR] Staples copy paper for daily use with printers, fax machines or copiers ... 10 
reams of paper per case and 500 sheets per ream, you can ensure you have 
plenty... [DOC] [TLE] Amazon.com: Universal 11289 Plain Paper for Fax, Copier, Printer ... [PAR] Exceptional performance in plain paper copiers, fax machines and printers.