The problems of getting Hewlett-Packard’s 51641, C1823, C6625 and C6578 series color ink jet cartridges to start printing reliably after being refilled has been solved by Repeat-O-Type Mfg. Corp.      Repeat-O-Type recently introduced successful “do-it-yourself” refill kits for the HP DeskJet 700/800 and 900 and PhotoSmart series printers. Fred Keen, Repeat-O-Type’s director of sales and marketing, announced that a special starter solution, cartridge clip, and syringe used in the refill kits w...