I bought a VICTORSTAR toner cartridge set for my HP Laserjet Pro M277dw in November 2017. They were packaged well and worked great. When the toner ran out, I ordered more from VICTORSTAR this June (2018). It's November and the magenta toner cartridge leaves huge streaks on the right side of the page, and the cyan toner cartridge sometimes leaves bruises all over the page. I emailed VICTORSTAR to see if they would replace the faulty magenta cartridge (that was before the blue dots appeared) and received no response. Now the printer needs to be replaced (not related to the toner issue) and I have ordered another printer. Based on my experience with VICTORSTAR cartridges, I will buy toner for my new printer from another company. The quality of the toner cartridges varies too much for me to risk buying again.
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