HP 21 and HP 22 are ink cartridges that are needed to print documents for certain models of HP printers. HP 21 is a black ink cartridge. HP 22 is a tri-color, a combination of red, yellow and blue, ink cartridge. They can be sold separately or together in a combo pack.
Hp officejet 5610 all in one
The first place to look would be a HP printer manual. If you can't find the information, try HP's website. If that doesn't work as well, try talking to a specialist at a Staples or Office Depot.
21/22 = "twenty-one twenty-seconds"
It is one.
The HP DeskJet D series appears to use HP No. 21 and 22 toner cartridges, which vary in color and size depending upon your precise printing needs.
Jan = 23 minus one day for New Years = 22 Feb = 21 March = 21 April = 22 May = 22 minus one for Memorial day = 21 June = 21 July = 23 minus one day for the 4th = 22 Aug = 21 Sept = 22 minus one for Labor Day = 21 Oct = 23 Nov = 20 minus one for Thanksgiving = 19 Dec = 23 minus one for Christmas = 22
Virago 250 has 22 hp
One may purchase HP 21 compatible Printer Ink Cartridges at Office Supply Stores around the nation. Some popular retailers include Office Depot, Walmart, and Target.
HP 21 cartridges can be bought from Staples, Clas Ohlson and PC World. If you would prefer to purchase online you can get them from CartridgeSave, where the prices are generally lower than in the shops.
To add five elevenths and one half, first find a common denominator, which is 22. Convert five elevenths to 10/22 and one half to 11/22. Adding these together gives 10/22 + 11/22 = 21/22. Therefore, five elevenths plus one half equals 21/22.
in the case of HP 56 and HP 21 it is that one is color and the other is black ink. Also the number will let you know which printers they fit. Different ink cartridges for different printers, HP makes many printers, but you cant just buy any old HP black cartridge, you need a specific one. Consult your manual, or a specialist if you need a specific cartridge for a specific printer.
22-21 = 1