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Why do Canon (perhaps other) clean before a print.. Ahh!!!!
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[QUOTE="l_d_allan, post: 203232, member: 5680"] Overall, I don't think it is as bad as you perceive. I've got several Canon printers (9000-2, iP4500, MX4500, MP990), and have done a fair amount of timings, cartridge weighing with calibrated electronic scales, and correspondence with Canon to try to better understand what is going with all the whirring and buzzing and clanking between prints. My impression is that quite a bit of the sounds that seem to be cleaning are really related to positioning the print-head ... "just so". That is especially the case if there is a delay between making prints, so the print-head is parked. Geek Alert ... TMI ? I've looked at shop manuals for several printers, and the "decision tree" that the print driver uses for when a minor, moderate, or major cleaning are done is pretty well defined. Note that usage and cleanings can go WAY UP if you've turned off ink level monitoring, open the cover too often, swap out carts whenever one gets LOW, swap out print-heads, etc. Out of curiosity, I spent several days carefully weighing 100's of cartridges as I put them in, did series of nozzle checks between weighing, series of 1-2 letter size prints between weighings, series of 20+ letter size prints at a time between weighings, etc. (I was also trying to get a much better idea of ink usage at LOW, at EMPTY, at REALLY EMPTY. Also how much ink really remained. Also how different printers detected LOW and EMPTY with or without the optical prism ... interesting / geeky stuff). Overall, I ended up rather impressed at how Canon managed ink usage. I started off similar to you ... "darn that Canon wasting all my ink with constant, unnecessary head cleaning". I admit to being ignorant about HP / Epson / Dell / Brother / etc. [/QUOTE]
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Why do Canon (perhaps other) clean before a print.. Ahh!!!!
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