| Print speed: | 20 ppm black, 4 ppm color |
| Print resolution: | 600x600 dpi |
| Recommended monthly volume: | 30,000 pages |
| Memory: | 64 MB RAM, up to 192 MB |
| Duplex printing: | No |
| Paper handling: | 125-sheet multipurpose tray |
| Interface: |
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| OS compatibility: |
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| Dimensions: | 12.8 x 19 x 17.8 in. |
Toner Cartridges, Maintenance Kits and Parts

13 Items
Black Genuine Toner Cartridge High Yield, 5,000 pages
Cyan Genuine Toner Cartridge High Yield, 4,000 pages
Magenta Genuine Toner Cartridge High Yield, 4,000 pages
Yellow Genuine Toner Cartridge High Yield, 4,000 pages
Magenta Genuine Toner Cartridge Standard Yield, 2,000 pages
Genuine Fuser Unit Standard Yield, 110 volt
Black Genuine Image Drum Standard Yield, 20000 (black), 5000 (color)
Black Remanufactured Toner Cartridge Standard Yield, 5,000 pages
The Color LaserJet 2550Ln uses HP Q3960A (HP 122A), HP Q3961A (HP 122A), HP Q3962A (HP 122A), HP Q3963A (HP 122A), HP Q3971A (HP 123A), HP Q3972A (HP 123A), HP Q3973A (HP 123A) toner cartridges. HP Q3960A yields 5000 pages; HP Q3961A yields 4000 pages; HP Q3962A yields 4000 pages; HP Q3963A yields 4000 pages; HP Q3971A yields 2000 pages; HP Q3972A yields 2000 pages; HP Q3973A yields 2000 pages.
HP Q3971A (HP 123A) prints 2000 pages, HP Q3961A (HP 122A) prints 4000 pages. Choose HP Q3961A (HP 122A) for high-volume printing (lower cost per page); HP Q3971A (HP 123A) costs less upfront for occasional use.
The HP Q3960A cartridge has an approximate yield of 5000 pages.
Approximate color cartridge yields: HP Q3961A (HP 122A, ~4000 pages), HP Q3962A (HP 122A, ~4000 pages), HP Q3963A (HP 122A, ~4000 pages), HP Q3971A (HP 123A, ~2000 pages), HP Q3972A (HP 123A, ~2000 pages), HP Q3973A (HP 123A, ~2000 pages).
Yes — the Color LaserJet 2550Ln uses a replaceable imaging drum: HP Q3964A (HP 122A).
Yes — the replacement fuser for the Color LaserJet 2550Ln is: HP RG5-7572.
Seeing "Supply Problem" on your Color LaserJet 2550Ln? Before buying anything, power-cycle the printer, open the cartridge door, and reseat the cartridge the printer highlights until it clicks. Wipe the chip contacts free of dust with a dry, lint-free wipe. If it persists, swap the flagged cartridge for a fresh one or reach out to us.