I noticed a Wal-mart flyer this week had an HP Deskjet 632 for under $50. Inkjet printers sure have become inexpensive. A quick look at the linked review shows that this may be a higher end inkjet at a big $179. Editors rating is a 5.
I have an older HP Deskjet 600 that holds only one ink cartridge at a time (either a black or a color cartridge but not both). My wife and kids like to use it with a color cartridge for greeting cards and flyers.
Even though they've now been around for years, I admire and like to use laser printers myself. However, color Gantt charts does sound useful.
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That's an interesting phase and new to me. I may use that myself somewhere soon.