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 (Ad) uses specifications developed by the Japan Magazine Publisher
Association for digital proofing of images in the Japanese magazine/advertising market
●Toyo is designed to produce quality separations for Toyo printing presses
●DIC is designed to produce quality separations for Dainippon Ink Company printing presses
NOTE:These options have no effect if the application is defining its own CMYK space, known as
calibrated CMYK or CIEBasedDEFG in PostScript terminology.
RGB color emulation
These options apply to PDF, PostScript, TIFF and JPEG files. For HP-GL/2 and HP RTL files, only sRGB
and AdobeRGB are supported.
If you want to print an RGB image, it must be converted to CMYK data (although you may be able to do
it in the application or operating system). To perform this conversion, your printer is provided with the
following color profiles:
●None (Native): no emulation. The printer will use its default internal conversion from RGB to CMYK,
without following any color standard. This does not imply that results will be bad.
●sRGB IEC61966-2.1 emulates the characteristics of the average PC monitor. This standard space
is endorsed by many hardware and software manufacturers, and is becoming the default color
space for many scanners, printers and software applications.
●ColorMatch RGB emulates the native color space of Radius Pressview monitors. This space
provides a smaller gamut alternative to Adobe RGB (1998) for print production work.
●Apple RGB emulates the characteristics of the average Apple monitor, and is used by a variety of
desktop publishing applications. Use this space for files that you plan to display on Apple monitors,
or for working with old desktop publishing files.
●Adobe RGB (1998) provides a fairly large gamut of RGB colors. Use this space if you need to do
print production work with a broad range of colors.
Connect the printer
Your printer comes with a 1000base-TX (Gigabit Ethernet) interface for network connections and a
FireWire interface for direct connection to your computer.
A USB 2.0 interface or Jetdirect print server may be installed as optional accessories.
If you are not sure which interface to use, see 
Choose which connection method to use on page 10.
To find the sockets for these interfaces on your printer, see the Assembly Instructions.
To set up your operating system to use the printer, see one of the following:
●
Connect to a network (Windows) on page 10
●
Connect to a network (Mac OS X) on page 11
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							●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 the printer cannot print in
sleep mode.
The printers internal prints
The internal prints give various kinds of information about your printer. They can be requested from the
front panel without using a computer.
Before requesting any internal print, make sure that paper is loaded (roll or sheet), and that the front
panel displays the Ready message. The paper should be at least 36 in (91.44 cm) wide, otherwise the
print may be clipped (HP Designjet 4020 series) or put “on hold for paper” (HP Designjet 4520 series).
To print any internal print, select the 
 icon, then Internal prints, then select whichever internal print
you want.
The following internal prints are available:
●Demo: shows some of the capabilities of the printer.
●Menu map: shows details of all the front panel menus.
●Configuration: shows all the current front panel settings.
●Usage report: shows estimates of the total number of prints, number of prints by paper type, number
of prints by print quality option and total amount of ink used per color. The accuracy of these
estimates is not guaranteed.
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							●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 with time and use.
To avoid these components being so worn that the printer breaks down, the printer keeps track of the
number of cycles the printer carriage makes across the axis of the printer and on the total quantity of
ink printed.
The printer uses this number to advise you of the need for preventive maintenance, displaying one of
the following messages on the front panel:
●Maintenance #1 required
●Maintenance #2 required
These messages mean that some components are nearing the end of their lives. You can continue
printing for quite some time, depending on your use of the printer. However it is strongly recommended
that you contact your customer service representative and arrange for a preventive maintenance on-
site visit. The service engineer can then replace the worn parts, which will prolong the life of the printer
for a further period.
The benefits of arranging a service engineers visit when the front panel displays these messages are
two-fold:
●The printer components can be replaced at a time that is convenient for you and so will not disturb
your daily workflow.
●When the service engineer performs a preventive maintenance visit he will replace several parts
at once. This will avoid the need for repeat visits.
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							22 Tell me about... (ink system topics)
●Ink cartridges
●
Printheads
●
Printhead cleaners
●
Ink system tips
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							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 printheads. Because the printheads control the amount of ink
transferred to the page, you will continue to see high-quality printing results even when the ink levels
are getting low.
Replacing ink cartridges
You can highlight the  icon at any time to check the ink levels of all the ink cartridges (as illustrated
below).
The front panel warns you when a cartridges ink level is low. When a cartridge is empty, the printer
stops printing and the front panel explains why:
You are recommended to replace the empty cartridge with a new HP cartridge: see Remove an ink
cartridge on page 88 and Insert an ink cartridge on page 91.
Although it is possible to use refilled or non-HP ink cartridges, either choice has several serious
disadvantages:
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							●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 empty.
If you decide to use refilled or non-HP ink cartridges, you will need to follow these instructions to make
the printer use a cartridge that it believes to be empty.
1.Install the cartridge in the printer (see 
Insert an ink cartridge on page 91).
2.The front panel will complain that the cartridge is empty, and the cartridge removal process will
start. Press the Cancel key to stop this automatic process.
3.At the front panel, select the 
 icon.
4.Highlight Replace ink cartridges, but do not select it.
5.Press the Cancel key and the Up key at the same time, and hold them down for at least two seconds.
6.The front panel will display a series of warning messages. In response to each message, press
the Cancel key to cancel the process, or the Select key to confirm that you wish to continue.
When you have pressed Select in response to all warning messages, the front panel will give the usual
ink cartridge status display, but the refilled or non-HP cartridge will be shown as empty with a warning
sign.
Printheads
In order to increase printing speed, two printheads are connected to each ink cartridge, giving eight
printheads in total.
The printheads are extremely durable and do not need to be replaced every time an ink cartridge is
replaced. They will continue giving excellent results even if the ink cartridges are low in ink.
To maintain optimum print quality, the printheads are automatically tested at regular intervals, and
automatically serviced if necessary. This takes a little time and will occasionally delay printing.
When a printhead eventually needs to be replaced, the front panel will tell you so.
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
cleaner in the printer will shorten the new printheads life and possibly damage the printer.
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							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
cleaner in the printer will shorten the new printheads life and possibly damage the printer.
NOTE:In some circumstances, the printer may ask you to replace a printhead cleaner even though
the corresponding printhead is not due for replacement. This is done in order to maintain the printers
image quality and reliability.
Ink system tips
For best results, always follow these guidelines:
●Install the ink cartridges, printheads and printhead cleaners before the install-by date, which is
printed on the packaging.
●Install a new printhead cleaner every time you install a new printhead.
●Follow the instructions on the front panel during installation.
●Allow the printer and printhead cleaners to clean the printheads automatically.
●Avoid unnecessary removal of the ink cartridges and printheads.
●The ink cartridges should never be removed while the printer is printing. They should be removed
only when the printer is ready for you to replace them. The front panel will guide you through the
removal and installation procedures (or see 
Remove an ink cartridge on page 88 and Insert an ink
cartridge on page 91).
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							23 Tell me about... (paper topics)
●Using paper
●
Supported paper types
●
Drying time
●
Using paper with the stacker [4520]
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							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 wrapped in the plastic wrap to prevent discoloration. Rewrap partially
used rolls if they are not being used.
●Do not stack rolls.
●Allow all paper types to adapt to room conditions out of the packaging for 24 hours before printing.
●Handle film and glossy paper by the edges or wear cotton gloves. Skin oils can be transferred to
the printing material, leaving fingerprint marks.
●Keep the paper tightly wound on the roll throughout the loading and unloading procedures. If it
starts to unwind, it can become difficult to handle.
●Whenever you load a roll or a sheet, the front panel prompts you to specify the paper type you are
loading. For good print quality, it is essential to specify this correctly. If paper is already loaded,
you can check the paper type at the front panel by highlighting the 
 or  icon.
●The quality of some images may be reduced if you use a paper type that is unsuitable for your
image.
●Make sure the appropriate print quality setting (Fast, Normal or Best) is selected. You can set the
print quality from the driver, from the Embedded Web Server or from the front panel. Driver or
Embedded Web Server settings override front panel settings. The combination of paper type and
print quality settings tells the printer how to place the ink on the paper—for example, the ink density,
halftoning method and number of passes of the printheads. See 
Choose print quality settings
on page 57.
●Although the ink systems supplied with this printer have good light-fastness, colors will eventually
fade or change if exposed to sunlight over a long period of time.
Supported paper types
The following table lists the HP paper types that are most suitable for use with your printer, and show
the name that you should select in the front panel when loading each paper type. These recommended
paper types have been thoroughly tested and are known to provide the best print quality when used
with your printer. For the part numbers, widths and weights of these papers, see 
Ordering paper
on page 214.
Other supported paper types can be used with your printer but are not guaranteed to provide the best
print quality.
NOTE:The following list is likely to change over the course of time. For the latest information about
recommended and other supported paper types, see 
http://www.hp.com/info/DesignjetInkMedia/.
Table 23-1  Recommended paper types
Product nameFront panel name40204520
HP Bright White Inkjet Bond PaperBright WhiteYesYes
HP Universal Bond Paper Bond Paper Yes Yes
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