Toner Cartridges, Maintenance Kits and Parts

2 Items
The 840 uses a single toner cartridge, SAV 4245. SAV 4245 yields 6000 pages.
The SAV 4245 cartridge has an approximate yield of 6000 pages.
"Supply Problem" on the 840 is most often a chip-read issue. Power off for 30 seconds to reset the printer's memory, reseat the cartridge, and wipe the contact strip with a dry cloth (never anything damp). If the alert won't clear, replace it with SAV 4245 or get in touch with support.