Inkjet Print Heads

19 Mar

Many of today’s wide format plotters are simply ink-jet printers, such as the Canon iPF750. A printed image is literally “sprayed” onto the paper via a print head. The print head receives an electrical signal from the main board or printed circuit board (PCB) and it is then sent to the print head via the carriage. The carriage is simply a “carrier,” or holder, for the print head.

The print head is the most important part of the printer, and its integrity must be kept intact to enable it to perform at its best–meaning nice, crisp-looking text and correct color mix.

Print head

Did you know that there are over 15,000 nozzles on a Canon iPF750 print head? The machine performs an automatic check to see if all nozzles are “firing” correctly. If not enough ink comes out, you may get an error message to do a cleaning or to replace the print head.

The print head is a consumable item that typically last about 18 months before it needs replacement. That equates to about 5,200 24×36 inch prints, or 31,200 sq. feet. The print head is an expensive item due to its complexity, but when averaged out over 1-1/2 years or 31,200 squares, the price comes out to about .016 cents per square foot.

Since the print head is the heart of the printer, it is paramount that it gets replaced in a timely fashion. The machine will usually tell you when that is! So don’t be afraid to replace it yourself. It is the single biggest thing that will affect your print quality.

Here is a video tutorial on how to replace a print head:

Print heads do come with a 1-year warranty.  And if you prefer, you can call BPI at 414-327-5010 and we will install it for you.

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One Response to “Inkjet Print Heads”

  1. Keith Buchman March 31, 2013 at 6:35 pm #

    Great video and a huge assist in giving customers the ability to change their printheads.

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