Canon Rebate Center Canon Rebate Center PURCHASE AN imagePROGRAF PRO-4000 PRINTER PURCHASE AN imagePROGRAF PRO-4000S or PRO-6000S PRINTER and you can receive* a FREE EXTRA SET OF 160ML INK TANKSÂ from Canon after claim is received. (MBK/PBK/C/M/Y/PC/PM/R/B/GY/PGY/CO) MSRP VALUE OF FREE INK IS $1,161! >Rebate Form and you can receive* FREE EXTRA 160ML INK TANKS from Canon after claim is received. (PBK/PC/PM/GY) MSRP VALUE OF FREE INK IS $388! >Rebate Form