The LaserWriter 12/640 PS+ printer is a mainstream network laser printer designed for midsize to large businesses, higher education institutions, Macintosh and non-Macintosh networks, and graphics and desktop publishing environments. It supports Adobe PostScript Level 2 programming functions and produces printed pages at a rate of up to 12 letter-size pages per minute.
The LaserWriter 12/640 PS+ printer supports 600 dpi resolution. FinePrint can be selected to smooth text and line art. FinePrint technology gives the printer the ability to print dots of different widths, producing crisper text and graphics.
| Print speed: | 12 ppm |
| Print resolution: | 600 dpi |
| Recommended monthly volume: | N/A |
| Memory: | 4 MB DRAM, up to 64 MB |
| Duplex printing: | Optional |
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| Dimensions: | 16 x 16.7 x 9.3 in. |
Toner Cartridges, Maintenance Kits and Parts

11 Items
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Genuine Usage Kit Standard Yield, 150,000 pages, 120 volt
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Remanufactured Toner Cartridge Standard Yield, 144 pages
Black Remanufactured Toner Cartridge Standard Yield, 6,000 pages
Black Remanufactured Toner Cartridge Standard Yield, 6,000 pages
Black Remanufactured Toner Cartridge Standard Yield
Black Remanufactured Toner Cartridge Standard Yield, 6,000 pages
The LaserWriter 12/640 PS Plus uses ASD M4683GA, XER 13R548, NEC 20100, IBM 63H3005, GCC AC16120 toner cartridges. ASD M4683GA yields 6000 pages; XER 13R548 yields 6000 pages; NEC 20100 yields 6000 pages; IBM 63H3005 yields 6000 pages; GCC AC16120 yields 6000 pages.
The ASD M4683GA cartridge has an approximate yield of 6000 pages.
A "Supply Problem" message on the LaserWriter 12/640 PS Plus usually points to a chip-communication hiccup rather than an empty cartridge. Power-cycle the printer (off for 30 seconds, then on), reseat the cartridge until it clicks into place, and gently clean the gold chip contacts with a dry cloth. If the message returns, a replacement ASD M4683GA will clear it.