HP Designjet 4520 HD User Manual

●The gray neutrality patterns tend to change with time (mainly during the first day), so, before
selecting the right gray pattern, consider waiting a day to get the perfect gray neutrality.
●For advanced users (specific configuration): HP-GL/2 and HP RTL using the CMYK contone path
will not be affected by this calibration.
Important note about using the stacker: Remove the stacker if it is connected while printing the
patterns. If the stacker is installed when printing the calibration sheets for gray...

Presets under Mac OS
1.Open the printing dialog.
2.Select the Color Options panel.
3.Press Show Advanced Options.
4.Select the CMYK Settings tab.
5.Enter the CMYK values in the color sliders.
6.Select the Image Quality panel.
7.Enter the Print Quality settings used in the front panel while printing the gray patterns (steps 1 to
5 of the Visual gray calibration procedure).
8.Save these settings as presets on the drop-down list.
Whenever a new print is required with the selected gray neutrality settings,...

16 The problem is... (image error topics)
●The print is completely blank
●
The output contains only a partial print
●
The image is clipped
●
The image is in one portion of the printing area
●
The image is unexpectedly rotated
●
The print is a mirror image of the original
●
The print is distorted or unintelligible
●
One image overlays another on the same sheet
●
Pen settings seem to have no effect
●
Some objects are missing from the printed image
●
A PDF file is clipped or objects are missing
●
No output...

The print is completely blank
If the front-panel graphic language setting is Automatic (the default), try the other settings:
PostScript for a PostScript file, HP-GL/2 for an HP-GL/2 and HP RTL file, etc. (see 
Change the graphic
language setting on page 65). Then send the file again.
When you have finished this particular print, remember to reset the graphic language to Automatic.
The output contains only a partial print
●Did you press Cancel before all the data were received by the printer? If so, you...

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
HP-GL/2 and HP RTL printer driver contains an option called Compatibility with 16-bit applications,
which can be used to reduce the resolution of such images automatically. You can find this option by
selecting the drivers Services tab, then the Troubleshoot Software Problems icon.
The image is in...

Some objects are missing from the printed image
Large quantities of data may be necessary to print a high-quality large-format print job, and in some
specific workflows there may be issues that can lead to some objects missing from the output. If you
are using the HP-GL/2 and HP RTL driver for Windows, try selecting the Troubleshoot Software
Problems icon in the Services tab, and turning on all troubleshooting options: Compatibility with 16-
bit applications, Send Job as a Bitmap, and Enable SpoolSmart....

17 The problem is... (ink system topics)
●I cannot insert an ink cartridge
●
The printer will not accept a large black ink cartridge
●
I cannot remove an ink cartridge
●
I cannot insert a printhead
●
I cannot insert a printhead cleaner
●
The front panel keeps telling me to reseat or replace a printhead
●
An ink cartridge status message
●
A printhead status message
●
A printhead cleaner status message
ENWW167
Ink system problems
 

I cannot insert an ink cartridge
1.Check that you have the correct type of cartridge (model number).
2.Check that the colored label on the cartridge is the same color as the label on the slot.
3.Check that the cartridge is correctly oriented, with the colored label at the top.
CAUTION:Never clean inside the ink cartridge slots.
The printer will not accept a large black ink cartridge
Black ink cartridges of 775 cm³ capacity are supported by the HP Designet 4520 series, and by the HP
Designjet 4020 series...

3.Reinsert the printhead into the carriage and check the front panel message.
4.If the problem remains, try a new printhead.
An ink cartridge status message
These are the possible ink cartridge status messages:
●OK: the cartridge is working normally, with no known problems
●Missing: there is no cartridge present, or it is not properly connected to the printer
●Low: the ink level is low
●Very low: the ink level is very low
●Empty: the cartridge is empty
●Reseat: you are recommended to remove the cartridge...

panel. If the front panel shows the printheads with no printhead blinking, you do not need to touch the
printheads. Just close the window again, and the printer will proceed to printhead cleaner replacement.
170 Chapter 17   The problem is... (ink system topics) ENWW
Ink system problems