HP DesignJet 9000s User Manual

9.Apply a full dropper of the wiper cleaning liquid on to the sponge using the dropper.
1. Dropper
2. Wiper cleaning liquid
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.
1. Wiper sponge
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10.Make sure you also moisten both ends of the sponge under the belt on each side.
1. Belt
2. Dropper
Capping unit cleaning
This cleaning procedure will remove any dried ink and particles from the capping unit.
1.Press the ONLINE key.
2.Press the SHIFT key to display the PH.MAIN menu.
3.Press the ▲ key to select the PH.MAIN menu.
4.Scroll to the CAP CLEANING option using the ▼ key and press OK to select.
5.Press OK again to confirm your selection.
The carriage will automatically move to the wiping side...

6.When the following message is displayed, open the rear cover and capping unit cover.
1. Rear cover
2. Capping unit cover
7.Dip a new HP cleaning swab into the HP cap cleaning liquid.
1. HP cleaning swab
2. HP cap cleaning liquid
CAUTIONMake sure that you use the cap cleaning liquid and not the wiper cleaning
liquid to clean the capping unit, otherwise you could cause damage to the printheads.
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8.Clean the top outside edges and the upper surfaces of all six caps. Use one side of a swab per
color and then use a new swab for the next color.
9.Close the capping unit cover and rear cover. The head carriage will return to the capping unit
position (home position) automatically.
Leave the printer off for two to four weeks
WARNING!Never switch off the printer without following the correct procedures. Even with
the storage liquid installed, never leave the printer off for more than 4 weeks. Leaving...

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...

When the front panel refers to SL CARTRIDGE, install or remove an HP 790 Ink System Storage
Liquid Cartridge that came with your HP 790 Ink System Storage Kit.
8.Once the ink system storage process has been completed, the front panel will return to the Ink
system optimization menu.
9.You can now turn the printer off.
When you turn on the printer again, you will have to perform the charge ink system process (see 
Chargethe ink system).
Leave the printer off for less than two weeks
CAUTIONIf you need to...

7.Follow the instructions on the printer front panel that will guide you through each step of the
process.
When the front panel refers to PURGING CAR, install or remove an HP 790 Ink System Purging
Cartridge that came with your HP 790 Ink System Cleaning Kit.
When the front panel refers to CL CARTRIDGE, install or remove an HP 790 Ink System Cleaning
Liquid Cartridge that came with your HP 790 Ink System Cleaning Kit.
8.The extraction process starts and you need to recheck whether the waste ink bottle is...

Clean the exterior of the printer
CAUTIONWipe the printer clean with a soft cloth. A cloth moistened with a neutral detergent
may be used. Do not allow liquid to enter the printer. This may create risk of fire and electrical
shock and cause a malfunction. Do not clean the printer with benzene or paint thinner. This
may damage the paint.
Clean the outside of the printer and all other parts of the printer that you regularly touch as part of
normal operation (e.g. ink cartridge doors) as required with a...

Clean the platen
You should plan to clean your printers platen on a regular basis, every few months or when needed.
When glue adheres to the platen or there are ink marks on the platen, clean the platen according to the
following procedures.
NOTEIf you print on wide media after you have used narrower media for some time, you
may find that the left side of the platen has become dirty and will leave marks on the back of
the media if not cleaned.
To clean the platen:
1.Unload all media from the printer....

4.Use a soft cloth slightly dampened with alcohol to wipe off loosened ink deposits from the platen.
CAUTIONDo not use commercial cleaners or abrasive cleaners. Do not wet the platen
directly because you will leave too much moisture behind.
5.If there are ink deposits in the vacuum holes on the platen, clean them using commercially-
available 3 mm mini-cotton swabs and then wipe off loosened ink deposits with a mini-cotton swab
slightly dampened with alcohol.
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