HP DesignJet T610 A0 User Manual

If the cutter is turned on but not cutting correctly, check that the cutter rail is clean and clear of any
obstacles.
If the cutter is turned off, the Form feed and cut key 
 only advances the paper. Use this key to move
the print far enough out of the front of the printer, until it is convenient to manually cut with a straight
edge or scissors.
The roll is loose on the spindle
The roll may need to be replaced or reloaded. If your roll has a three-inch cardboard core, ensure the
core adaptors supplied...

NOTE:Whenever you update the printer’s firmware, the paper advance calibration values are
reset to factory default, see 
Update the firmware on page 104.
CAUTION:Transparent papers and films must be calibrated using Image Quality Maintenance menu
icon 
, then Paper advance calibration > Adjust paper advance, from step four in the Recalibrating
the paper advance procedure.
Recalibrating the paper advance procedure
1.Press the Menu key to return to the main menu and select the Image Quality Maintenance...

13 Troubleshooting print-quality issues
●General advice
●
Print quality troubleshooting wizard
●
Horizontal lines across the image (banding)
●
Lines are too thick, too thin, or missing
●
Lines appear stepped or jagged
●
Lines print double or in the wrong colors
●
Lines are discontinuous
●
Lines are blurred
●
Line lengths are inaccurate
●
The whole image is blurry or grainy
●
The paper is not flat
●
The print is scuffed or scratched
●
Ink marks on the paper
●
Black ink comes off when you touch the print...

General advice
When you have any print-quality problem:
●To achieve the best performance from your printer, use only genuine manufacturers supplies and
accessories, whose reliability and performance have been thoroughly tested to give trouble-free
performance and best-quality prints. For details of recommended papers, see 
Order paper
on page 108.
●Make sure that the paper type selected in the front panel is the same as the paper type loaded into
the printer. To check this, use the View loaded paper key...

Alternatively, or if you have other print quality problems, you can continue reading this chapter.
Horizontal lines across the image (banding)
If your printed image suffers from added horizontal lines as shown (the color may vary):
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.Check that you are using appropriate print-quality settings for your purposes (see...

If the problem persists despite all the above actions, contact your customer service representative for
further support.
Lines are too thick, too thin, or missing
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.Check that you are using appropriate print-quality settings for your purposes (see 
Printing
on page 47). Select the custom print-quality options in the...

1.The problem may be inherent in the image. Try to improve the image with the application you are
using to edit it.
2.Check that you are using appropriate print-quality settings. See 
Printing on page 47.
3.Select the custom print-quality options in the driver dialog (Mac OS Print dialog), and turn on the
Maximum detail option (if available).
4.If you are using the PCL or HP-GL/2 driver for Windows, you can change your image rendering
resolution to 300 dpi or 600 dpi depending on your printing needs. You...

●The borders of colored blocks are wrongly colored.
To correct this kind of problem:
1.Reseat the printheads by removing them and then reinserting them. See 
Remove a printhead
on page 90 and Insert a printhead on page 93.
2.Align the printheads. See 
Align the printheads on page 146.
Lines are discontinuous
If your lines are broken in the following way:
1.Check that you are using appropriate print-quality settings. See Printing on page 47.
2.Reseat the printheads by removing them and then reinserting...

Lines are blurred
Humidity can cause ink to soak into the paper, making the lines blurred and fuzzy. Try the following:
1.Check that your environmental conditions (temperature, humidity) are suitable for high-quality
printing. See 
Environmental specifications on page 166.
2.Check that the paper type selected in the front panel is the same as the paper type you are using.
To check on the front panel, use the View loaded paper key 
.
3.Try changing to a heavier paper type, such as HP Heavyweight Coated...

The whole image is blurry or grainy
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.Check that you are printing on the correct side of the paper.
3.Check that you are using appropriate print-quality settings (see 
Printing on page 47). In some
cases, you can overcome a print-quality problem merely by selecting a higher print-quality level.
For instance, if you have...