HP Designjet 4520 HD User Manual

In the front panel and the Embedded Web Server, some further options are available:
●Japan Color 2001 Coated uses the Japan Color 2001 specification for type 3 (coated) paper. It
is designed to produce quality separations using 350% total ink coverage, positive film and coated
paper
●Japan Color 2001 Uncoated uses the Japan Color 2001 specification for type 4 (uncoated) paper.
It is designed to produce quality separations using 310% total ink coverage, positive film and
uncoated paper
●Japan Web Coated...

●Connect directly to a computer (Windows) on page 11
●
Connect directly to a computer (Mac OS X) on page 12
The printers rear lights
At the rear of the printer, above the power switch, are three small lights:
●The amber light on the left is on when the printer is in sleep mode.
●The blue light in the center is on when the printer is on (when it has electrical power).
●The green light on the right is on when the printer is printing.
NOTE:You should never see all three lights on at the same time, because...

●HP-GL/2 palette: shows the color or grayscale definitions in the currently-selected color palette.
●PostScript font list: lists the PostScript fonts installed in the printer (PostScript printers only).
●Image diagnostics: helps you to solve print quality problems. See 
How do I... (Image Diagnostics
Print topics) on page 117.
●Service information: provides information needed by service engineers.
Preventive maintenance
During the life of your printer, components that are used constantly can wear out...

194 Chapter 21   Tell me about... (printer topics) ENWW
About printer
 

22 Tell me about... (ink system topics)
●Ink cartridges
●
Printheads
●
Printhead cleaners
●
Ink system tips
ENWW195
About ink system
 

Ink cartridges
The printers four ink cartridges provide yellow, magenta, black and cyan ink to the printheads. The color
cartridges have a capacity of 225 and 400 cm³, the black cartridge has a capacity up to 775 cm³.
NOTE:The 225 cm³ and 400 cm³ cartridges are physically the same size: only the internal capacity
varies. The 775 cm³ black cartridge is longer.
Ink cartridges require no maintenance or cleaning. As long as each ink cartridge is inserted correctly
into its slot, the ink will flow to the...

●There is some risk of damaging the printer. In this case the printer warranty will not be valid for any
printer repairs that are related to the cartridge, nor for any problems due to ink contamination.
●You will invalidate the warranty of all printheads of the same color used in the printer subsequently,
unless and until the whole ink system (including ink tubes) is replaced.
●Print quality may be impaired.
●The printer will be unable to estimate the ink level in the cartridge, and will report it as...

Printhead cleaners
Each printhead has its own printhead cleaner, so there are eight printhead cleaners in the printer.
Printhead cleaners are used to clean and maintain the printheads, to ensure the best possible print
quality and to seal the printheads when they are not in use to prevent them from drying out.
CAUTION:Whenever you buy a new printhead, you get a new printhead cleaner with it. When you
replace a printhead, always replace the printhead cleaner at the same time. Leaving the old printhead...

23 Tell me about... (paper topics)
●Using paper
●
Supported paper types
●
Drying time
●
Using paper with the stacker [4520]
ENWW199
About paper
 

Using paper
Choosing the correct paper type for your needs is an essential step in ensuring good print quality. For
best printing results, use only recommended papers (see 
Supported paper types on page 200), whose
reliability and performance have been developed and thoroughly tested. All printing components (printer,
ink system and paper) have been designed to work together to give trouble-free performance and
optimal print quality.
Here are some further tips about paper usage:
●Always keep unused rolls...