HP DesignJet 9000s User Manual

3.Insert a new ink cartridge into the printer.
4.Close the ink cover.
Change the printhead height
You can increase or reduce the printhead height depending on the thickness of the media you are
using. Two tasks must be performed to change the printhead height:
●Mechanical height adjustment on the printhead carriage.
●Firmware height adjustment through the front panel.
ENWWChange the printhead height 61
How do I… (ink topics)
 

To change the printhead height:
1.Press the ONLINE key.
2.Press the SHIFT key to display the PH. MAIN menu.
3.Press the ▲ key to enter the PH.MAIN menu.
4.Scroll to PH HEIGHT ADJUSTon the front panel and press OK to confirm.
The following message is displayed.
The following message is displayed.
62 Chapter 5   How do I… (ink topics) ENWW
How do I… (ink topics)
 

5.Open the cap cover and loosen the head fixing screws (2) with a screwdriver.
1. Capping unit cover
2. Head fixing screws
6.Change the height of the head by lifting the head height lever to lower the head, or by lowering the
head height lever to lift the head.
1. Printhead height lever
7.Tighten the head fixing screws (2) using the long screwdriver provided with your printer.
NOTETighten the head fixing screws while applying slight downward pressure on the
head using your hand.
8.Close the rear cover....

To change the printhead height on the front panel:
1.Press the ONLINE key.
2.Press the ▼ key to display the MEDIA REG menu.
3.Scroll to the PH HEIGHT VAL option and press the OK key.
4.Select NORMAL or HIGH, according to the mechanical change you have made, and press the OK
key.
Parameters: NORMAL (default) or HIGH (for thick media).
NOTEWhen the printhead height is changed, a gap in printing may occur in bidirectional
printing. Adjust the correction value for bidirectional printing. See How do...

6 How do I maintain the printer?
This section describes the regular inspection and maintenance procedures to be performed by users.
●Regular maintenance guide
●Daily printhead maintenance
●Leave the printer off for two to four weeks
●Leave the printer off for less than two weeks
●Charge the ink system
●Clean the exterior of the printer
●Clean the rear cover and media feed
●Clean the platen
●Replace the waste ink bottle
●Normal printhead recovery
●IQ Print
Regular maintenance guide
The printer requires...

CAUTIONThe printer has an internal clock which allows it to wash the printheads
automatically, flushing some ink through the printhead, which keeps the printheads in good
condition. This is done after the first 20 hours without printing and every 3 days. If the printer is
switched off for a long period, this process does not happen. If the ink does not flow through
the printheads from time to time, the ink will dry inside the nozzles, reaching a point where it is
impossible to recover them and the...

CAUTIONIf you need to leave the printer unattended for any reason, ensure that the printer
is on, the ink cartridges are full, and the waste ink bottle is empty, so that automatic
maintenance (performed after the first 20 hours without printing and every 3 days) can be
completed successfully for the time you are not present. If needed, install new ink cartridges.
The ink cartridges that you replace can be reused when you return to your printer, if they still
contain ink.
Daily printhead maintenance will...

4.Press OK to select WIPER CLEANING.
5.Press OK to confirm.
The wiper blade is moved to its cleaning position.
The front panel displays the following message:
6.Open the rear cover and the wiper cover.
1. Rear cover
2. Wiper cover
1. Wiper blade
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How do I maintain the printer?
 

7.Dip a new HP cleaning swab into the wiper cleaning liquid.
CAUTIONMake sure that you use the wiper cleaning liquid and not the capping liquid
to clean the wiper blades. The capping liquid is not strong enough to clean the wiper
blades properly and could cause damage to the printheads.
1. HP cleaning swab
2. Wiper cleaning liquid
WARNING!Avoid contact between ink and skin, eyes, and clothing.
Immediately wash skin with soapy water.
Remove clothing soaked with ink from contact with skin.
Use an approved...

8.Use the HP cleaning swab to clean the front and back parts of the wiper blades.
CAUTIONMake sure that the wiper cleaning liquid does not drip on to other parts of the
printer. If the wiper cleaning liquid drips on to the belt or any nearby sensors, this could
cause serious damage to the printer.
NOTEMake sure that there is no dried ink stuck on the wiper blades. Also make sure
that the wiper blades are not damaged. Clean the front and back of the blades with the
HP cleaning swab moistened with the HP...