![]() ![]() If the Nozzle Check generates unsatisfactory results try the Canon "Deep Cleaning" maintenance routine. The Digital Dog Printer Test File downloadable from a link in this article is an excellent test page that I use for that purpose. At least run the Canon Properties / Maintenance / Nozzle Check function a few times and print a test page that exercises all the colours. To avoid cloggage I recommend exercising the printer at least every week. That can look like this (as a result of a clogged Cyan print head): Clogged print heads are often caused through under-use so that things dry up and block.Īnother symptom of clogged heads is a banding effect that is most obvious when "plain paper" is the selected print medium. Such problems often arise when the printer has not been used for a long time and the print head for one or more of the colours has clogged up. ![]() Some problems are evidenced by printed pictures that are overcast by a colour such as green or purple and/or by the failure of some colours (including black) to print satisfactorily in the Canon Maintenance application's Nozzle Check. On occasions I have been asked to troubleshoot Canon printers that have print heads that are of the type that are used in the i865, Pixma iP4000 and iP4200 (and possibly other Pixma) Canon inkjet printers. Cleaning Canon Print Heads on a Canon i865, iP4000, iP4200 and some other Canon Pixma printers
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