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Written by John Pannozzo
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Sometimes
understanding a little bit about how something works helps us deal with
the device a little better. I think that holds true with today’s ink
jet printers. One of the most frustrating things in the printing
process is when prints suddenly start coming out bad. There are a lot
of things that can go wrong. For now we are going to look at the
printer and the most common things that can go wrong like clogged
nozzles.
When something goes wrong in the printing process we
need to rule out the printer first, mostly because it is the easiest
thing to test. The two most common problems a printer encounters is
misalignment of the print heads and clogged nozzles. Modern printers
are self-aligning and do a great job. If you start to see blurry prints
or colored edges on lines and text, then you could have an alignment
issue. Run the alignment procedure and then reprint the image that
showed the problem and see if it has been corrected.
Nozzle
clogs are a different story. If everything was going along great and
then all of a sudden your images start to have an unwanted cast to
them, chances are you have many nozzles clogged. If you start to see
slight banding in select color ranges, chances are you have a few, or
as little as one, clogged nozzle.
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John Pannozzo |
| About the author: |
| John Pannozzo has been involved in the engineering and development side of computer graphics since 1990. He has worked extensively in the fields of broadcast video and animation, medical imaging and the development of device drivers for scanning and printing. Currently he is the president and co owner of ColorByte Software the makers of color management and printing technologies used throughout the photographic and fine art communities. |
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