HP Designjet T7100 User Manual

The whole image is blurry or grainy
1.Check that the paper type you have loaded corr
esponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the  View information key 
.
2. Check that you are printing on the correct side of the paper.
3. Check that you are using appropri
ate print-quality settings (see 
Print options on page 77). In some
cases, you can overcome a print-quality problem merely by select ing a higher print-quality level.
For instance, if...

1.Check that the paper type you have loaded corr
esponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the  View information key 
.
2. Try changing to a thicker pape
r type, such as HP Heavyweigh t 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:...

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 suggestion s to avoid this problem:
1. Check that the paper type you have loaded corr
esponds to the paper type selected in the front
panel and in your software. To check on the front panel, use the  View information key 
.
2. Use a recommended paper type (see 
Order paper on page 39) and the correct...

White spots on the print
You may notice white spots on the print. This is probably due to paper fibers, dust or loose coating
material. To avoid this problem:
1. Try cleaning the paper manually with a brush be
fore printing, to remove any loose fibers or
particles.
2. Always keep the cover of
 your printer closed.
3. Protect your paper rolls by storing them in bags or boxes.
Colors are inaccurate
If the colors of your print do not match yo
ur expectations, try the following remedies:
1. Check that the...

Colors between different HP Designjets do not match
If you print an image on two different printer models (for instance, on an HP Designjet T7100 printer
series and an HP Designjet 4500 printer series), the colors of th e two prints might not match well.
Matching two printing devices that  use different ink chemistry, paper chemistry, and printheads is
unlikely to be completely successful.  Use the information provided here is to attempt to make one printer
match another.
Print with Post Script drivers...

4.Load the printers with 
the same type of paper.
5. Check that the Paper Type setting on the front panel corresponds to the 
paper you have loaded.
6. In the HP-GL/2 driver for the HP Designjet T7100, click the  Color tab, and select  Printer
Emulation  from the list of color management option s. Then select the HP Designjet 4500 from
the list of emulated printers.
7. In the HP-GL/2 driver for the HP Designjet 4500, click the  Options tab, and then select Manual
Color  > Color Control  > Match Screen ....

●A communications problem between your computer and the printer might exist. Check your USB or
network cable.
● Check that your software settings are correct for 
your current page size (for example, long-axis
prints).
● If you are using network software, ma
ke sure that it has not timed out.
The image is clipped
Clipping normally indicates a discrepancy between the actual printable area on the loaded paper and
the printable area as described by  your software. You can often iden tify this kind of...

The image is unexpectedly rotated
On the front panel, select the  icon, and then select Setup > Printing preferences  > Paper
options  > Rotate . Check that the setting is what you wanted.
For non-PostScript files: if  Nesting is On , pages are sometimes automati cally rotated to save paper.
See 
Nest jobs to save paper on page 89 .
The print is a mirror image of the original
On the front panel, select the  icon, and then select  Setup > Printing preferences  > Paper
options  > Enable mirror image ....

The image has a wood-grain appearance
(aeroworms)
Aeroworms are wavy, horizontal bands produced by air-induced dot placement error (DPE). In extreme
cases, aeroworms give the image a wood-grain app earance. The problem occurs most commonly on
print jobs that are set for low-quality and high-speed . It does not occur when the custom print-quality
setting is se t to “best.”
To eliminate aeroworms, select a higher IQ print setting. See 
Select print quality on page 79 .
ENWW The image has a wood-grain...

16 Troubleshoot paper issues
The paper has jammed
If a paper jam occurs, follow the instructions on the front panel.
These are the steps to follow:
1.Open the window.
2. The printer may ask whether you see jammed paper. If
 you reply no, the printer will offer to run a
diagnostic to check whether there is a problem with the carriage.
3. Move the carriage aside and remove jammed paper from the platen.
4. Go to the rear of the prin
ter and open the rear door.
5. Cut the paper with a sharp knife along the...