HP DesignJet T610 A0 User Manual

1.Check that the paper type you have loaded corresponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the View loaded paper key 
.
2.Try changing to a thicker paper type, such as HP Heavyweight Coated Paper or HP Super
Heavyweight Plus Matte Paper.
3.Select a paper type that is slightly thinner than the paper you have loaded; this will persuade the
printer to use less ink. Here are some example paper types in ascending order of thickness: Plain...

Whenever you notice this problem, cancel the printing job immediately. Press the Cancel key and also
cancel the job from your computer application. Soaked paper can damage the printheads.
Try the following suggestions to avoid this problem:
1.Check that the paper type you have loaded corresponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the View loaded paper key 
.
2.Use a recommended paper type (see 
Order paper on page 108) and the correct...

If edges of objects or lines appear to be poorly defined or lighter in density, and you have already set
the print-quality slider to Quality in the driver dialog (Mac OS Print dialog), select the custom print-quality
options, and try setting the quality level to Normal. See 
Printing on page 47.
Edges of objects are darker than expected
If edges of objects seem darker than expected, and you have already set the print-quality slider to
Quality in the driver dialog (Mac OS Print dialog), select the custom...

Colors are inaccurate
If the colors of your print do not match your expectations, try the following:
1.Check that the paper type you have loaded corresponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the View loaded paper key 
. At
the same time, check the color calibration status. If the status is PENDING or OBSOLETE, you
should perform color calibration: see 
Color calibration on page 56. If you have made any changes,
you may wish to reprint...

Colors are fading
If you print on instant-dry photo paper, your prints will fade rapidly. If you plan to display the prints for
more than two weeks, you should laminate them to achieve longer life.
Prints on swellable coated papers will fade much less rapidly. However, lamination will increase the life
of prints (depending on the type of lamination) with all paper types. For more information, consult your
laminate provider.
The image is incomplete (clipped at the bottom)
●Did you press Cancel before all...

from these applications, the bottom of the image will be clipped. In this case, the only way to print the
whole image is to reduce the resolution so that the whole image requires fewer than 32,768 pixels. The
PCL and HP-GL/2 drivers for Windows include an option called 16-bit App. Compatibility, which can
be used to reduce the resolution of such images automatically. You can find this option in the
Advanced tab, under Document Options > Printer Features.
Some objects are missing from the printed image...

The print is divided into two parts, both of which test printhead performance.
●Part 1 (top) consists of rectangles of pure colors, one for each printhead. This part represents the
print quality that you will get from each color.
●Part 2 (bottom) consists of small dashes, one for each nozzle on each printhead. This part
complements the first, and aims more specifically to detect how many faulty nozzles each printhead
has.
Please look carefully at the print. The names of the colors are shown above the...

And here is an example of the same printhead in a bad state:
Corrective action
1.Clean any faulty printheads (see Clean the printheads on page 143). Then reprint the Image
Diagnostics Print to see whether the problem has been solved.
2.If the problem remains, clean the printheads again, and reprint the Image Diagnostics Print to see
whether the problem has been solved.
3.If the problem remains, consider cleaning your printheads manually (see 
Clean the printheads
on page 143). You could also try...

If you still have a problem
If you still experience print-quality problems after applying the advice in this chapter, here are some
further things that you can do:
●Try using a higher print-quality option. See 
Printing on page 47.
●Check the driver you are using to print with. If it is a non-HP driver, consult the driver vendor about
the problem. You could also try using the correct HP driver, if feasible. The latest HP drivers can
be downloaded from 
http://www.hp.com/go/designjet/.
●If you are using a...

140 Chapter 13   Troubleshooting print-quality issues ENWW
Print-quality issues