PRODUCT DETAILS;MODEL;HPWARRANTY;30 DAYS CHECKING WARRANTY HP Enterprise 500 and HP Enterprise 551 color laser printers are not specific models that I have information on.HP frequently releases new printer models, and it's possible that these models have been released after my last update.To get detailed information about these printers, I recommend visiting the official HP website or contacting HP customer support to inquire about the specific features, specifications, and pricing for these models.HP/DELL/EPSON/CANON/SEGATE/PANTUM AND OTHER BRAND PRODCTS AVAILABLE.www.generaltraders.pk