HP DesignJet 8000s User Manual

							
Problem: the environment temperature is not within the operating temperature range for the printer.
Solution:  use the printer within its operating temperature range (15 °C to 30 °C).
The problem is an abnormal sound
If your printer makes an unusual sound, contact HP Support.
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9 The problem is print quality
This section explains how to solve print quality problems.
SymptomPossible causeCorrective measure
A blank sheet of media is printed or the
printed image is faded.The printer did not receive data.Check print data.
The environment conditions do not meet
the printer specifications.Use the printer in the specified
environmental conditions (temperature
and humidity). See Tell me about…
Specifications
Media settings are incorrect.Check the media settings. See How do
I… Manage media types
Parts of a drawing are missing or the print
is unclear.Foreign objects are attached to the
printhead.Clean the printhead using printhead
recovery. See Normal printhead recovery
The print is blurred.The media has been loaded the wrong
side up.Check whether the media is loaded
correctly.
The media settings are incorrect.Check the media settings.
The media edge guard is not set
correctly.Set the media edge guards correctly. See
How do I…. Use the media edge guards
The heater temperature is too low.Increase the heater temperature. See
How do I… Adjust heater and print modesettings
The print is stained.The leading edge of the media is curled.Check whether the leading edge of the
media is curled. If it is curled, cut the
leading edge.
The media is slightly folded or crumpled.If the media is crumpled, feed the media
and cut off the crumpled part of the
media.
The platen is stained.Clean the platen. See How do I maintainthe printer.
 The Printhead is dirty.Clean the printhead using printhead
recovery. See Normal printheadrecovery.
The first part of a printed image is
missing. Environment temperature. Use the printer in the specified
environmental conditions. See Tell me
about… 
Specifications
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SymptomPossible causeCorrective measure
Parts of a printed image are missing even
after printhead cleaning is performed
repeatedly.The nozzle is clogged.Wash the printheads. See How do I…Clean ink system
Poor print quality cannot be improved
even when the cleaning is performed.The cap or wiper blade is stained.Clean the cap and change the wiper
blade. See How do I maintain the printer
There is banding on new mediaThe printer requires calibration for the
new media.Adjust the printer settings for the new
media. See How do I calibrate my printer
There is banding on media that has been
calibrated and did not give banding
before.If one of the following is true, try the
corresponding solution and if banding
has not disappeared, then go to the next
possible cause and solution:
1. The file you are printing:
a) is new
b) is not new
2. The print mode:
a) has changed
b) has not changed
3. Normal printhead recovery:
a) did not improve banding
b) improved banding
4. Strong printhead recovery:
a) did not improve banding
b) improved bandingTry one of the following solutions:
1. a) Try using a file that did not give
banding. If banding does not disappear,
then see the next possible cause.
b) Check that you are using the same
print mode as before.
2. a) Try using the same print mode. If
banding does not improve, then try a new
roll of media. If you still see banding call
HP support.
b) Try normal printhead recovery. If
banding improves, repeat normal
printhead recovery until no improvement
is seen and banding is still present. Call
HP support.
3. a) Print the NOZZLE PRINT pattern
and check if there are any printhead
nozzles not working. If some printheads
are not working, try strong printhead
recovery for the affected printheads.
4. a) Call HP support
b) Repeat normal printhead recovery
until no improvement is seen and
banding is still present. Call HP support.
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10 Tell me about… (basic knowledge topics)
This chapter provides necessary information to operate the printer. Familiarize yourself with the basics of
the printer before reading the rest of this Guide.
● Tell me about operating conditions
● Tell me about the power supply
● Tell me about front panel messages and printer state
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Tell me about operating conditions
This section describes the operating conditions for the printer.
Installation space
Make sure that there is sufficient space around the printer for the replacement of frequently used parts, for
printing output and for ventilation. In addition, leav e the maintenance space indicated below for service
repairs.
A. 1 m
B. 0.4 m
Environmental conditions
Operating temperature and humidity levels
The printer should be used within the temperature and humidity levels shown below.
Temperature: 15 °C to 30 °C
Humidity: 30% to 70%
Tip To obtain optimal print quality, operate t he printer at environment temperatures between
20 – 25 °C.
When the operating temperature is below 20 °C, print speed may be reduced by one third to
maintain good print quality.
When printheads reach high temperatur es, the time to print is delayed.
NOTEWhen the printer is not used within specifie d operating temperature and humidity ranges,
printing may be interrupted or the print quality may deteriorate.
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Places where the printer must not be installed
Do not install the printer in places that are:
● In direct sunlight.
● Subject to vibration.
● Excessively dusty.
● Subject to extreme changes in tem
perature or humidity conditions.
● Near an air conditioner or a heater.
● Places where the printer may get wet.
● Subject to direct air 
circulation from vents.
● Near a diazo copier that may generate ammonia gas.
● Poorly ventilated.
Tell me about the power supply
Power
The printer has a rear power switch (1) and a front pane
l power key. The printer is turned on by turning the
rear power switch (1) on.
Afterwards, turn the printer on or off us ing the power key on the front panel (1).
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The HP Designjet High Speed Dryer
The optional HP Designjet High Speed Dryer (Q6667A) dries images as they are printed. See Tell me
about… Ordering accessories
Exhaust attachment
The exhaust attachment allows for the attachment of exhaust hoses to the printer.
Tell me about front panel messages and printer state
This section describes front pan el messages and menu operations.
Messages on the front panel
Initialization display
The printer is being initialized.
When the system starts normally,  both controllers go online and enter idle mode automatically.
Online state (idle mode) display
The printer can receive data from the computer.
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When the OK key is pressed in the online mode, th e printhead recovery menu is displayed.
Online state (print mode) display
The printer is printing.
Online state (print pause mode) display
The printer is paused.
Print stop and resume
ONLINE
The Online LED flashes
Press the OK key in the print pause mode to start the printhead cleaning.
Print cancel (end)
The Online LED flashes
CANCEL
Online state (print information mode) display
The amount of media used and the ink cartridge levels are displayed.
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SHIFT
SHIFT
Three-second intervals or SHIFT
Three-second intervals or SHIFT
Then the printer returns to online idle mode.
Offline (menu mode) display
Menus can be operated in offline mode.
SHIFT
SHIFT
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