The most listed brands in Laser Printers are HP and Lexmark. Every listing names its manufacturer and part number, so you can search by either.
Both. Of the 253 listings, 31 state a condition: 6 are refurbished and 25 are new. The other 222 do not record one, so ask for it when you request a quote. The condition shown on a listing is the condition you receive.
26 Laser Printers listings show a price you can order at. Items marked "Call for Price" have a Request for Quote button; send the part number and quantity and the sales team replies weekdays between 8:00 am and 5:00 pm PST.