Basically the print head is full of very small resistors which heat up causing the ink to bubble out onto the paper to produce the image. So why change cartridges when the printer warns you to ?A Canon printer uses what is known as a thermal print head. That's fine to a point however the trouble begins when you keep printing until the cartridge actually starts to run dry. As with most people when their printer gives the low ink warning they simply keep printing. Having recently received a couple of calls from long term customers about print head failure on Canon Printers I noticed a common issue which was the cause of this.Having used Canon Inkjet printers in our office over the past 7 years and finding them rock solid and NEVER giving print head trouble I thought I'd share the secret to print head longevity.Īfter questioning these customers about their printing habits it was obvious as to why their print heads were giving them problems.
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