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Replace Printhead - HP DesignJet T200/T600 and Studio Printer Series

About the printhead

The printhead, which is supplied installed in the printer, is connected to the ink cartridges and jets ink onto the paper.

CAUTION:

Observe precautions when handling the printhead, because it is an ESD-sensitive device. Avoid touching pins, leads, and circuitry.

For information on replacing printheads, see Replace the printhead.

Clean the printhead

If your print is streaked or has incorrect or missing colors, the printhead may need to be cleaned.

There are three stages of cleaning. Each stage lasts about two minutes, uses one sheet of paper, and uses an increasing amount of ink. After each stage, review the quality of the printed page. You should initiate the next phase of cleaning only if the print quality is poor.

If print quality still seems poor after you complete all stages of cleaning, try aligning the printhead.

Note:

Cleaning uses ink, so clean the printhead only when necessary.

Note:

Failing to turn off the printer correctly can cause print-quality problems.

Clean the printhead from the front panel

When your print quality seems poor, and you are next to the printer, this is a simple method to address the issue.

Make sure there is paper in the input tray or a roll loaded.
Go to the front panel and tap , then Printer Maintenance > Clean the Printhead.

Clean the printhead from the Embedded Web Server

You can clean the printhead remotely using an ordinary Web browser running on any computer.

Make sure there is paper in the input tray or a roll loaded.
In the Tools tab on the Embedded Web Server, then tap Tools > Utilities > Print Quality Toolbox > Clean Printhead, and follow the instructions on the screen.

Clean the printhead from the HP Utility (Windows only)

You can manage this and clean the printhead from a computer with a USB, TCP/IP, or Wi-Fi connection.

Make sure there is paper in the input tray or a roll loaded.
In the Support tab of the HP Utility, click Printhead Cleaning, and follow the instructions on the screen.

Align the printhead

Precise printhead alignment is essential for accurate colors, smooth color transitions, and sharp edges in graphical elements.

Your printer has an automatic printhead alignment process which runs whenever a printhead has been accessed or replaced. You may need to align the printhead after a paper jam or if you are experiencing print-quality problems.

Important:

Load A4 and letter in portrait. Do not load them in landscape.

Load the paper you wish to use, see Paper handling. You can use a roll or a cut sheet; plain white paper is recommended.

CAUTION:
Do not use transparent or semi-transparent paper to align the printhead.
Ensure that the window is closed, as a strong light source near the printer during printhead realignment can affect alignment.
From the front panel, tap , then Printer Maintenance > Align the Printhead.

Note:
Printhead alignment can also be started from the Embedded Web Server (Tools > Utilities > Print Quality Toolbox > Optimize and Improve > Align Printhead), or from the HP Utility (Windows: Support > Printhead Alignment; Mac OS X: Information and Print Quality > Align).
If the loaded paper is satisfactory, the printer runs the realignment and prints a realignment pattern.
The process takes about five minutes. Wait until the front-panel display shows the process complete before using the printer.

If the printer cannot complete the printhead alignment successfully, you may be asked to clean the printhead and try again.

Replace the printhead

When the printhead is out of ink or has an issue that cannot be fixed, you must replace it. After replacement, the printer will automatically perform a printhead alignment on the loaded paper.

Tip:

If you would like to perform the printhead alignment on a different paper (perhaps from the multi-sheet tray), you could change the paper before starting this procedure. Plain white paper is recommended. A4 and letter paper should not be loaded in landscape orientation.

Make sure the printer is turned on.
If your printer is on a stand, make sure the printer wheels are locked (the brake lever is pressed down) to prevent the printer from moving.
From the front panel, tap , then Printer Maintenance > Replace printhead.
From the front panel, tap Continue to proceed.
Open the main door.
Press each ink cartridge to unlock it.
Remove all the inks cartridges, then tap Next.
Open the printhead latch.
Remove the printhead, keeping it vertical to avoid getting ink on the connections.
Insert the new printhead.
When finished, close the latch and tap Next.
Insert the ink cartridges. Make sure that you insert each ink cartridge into the slot that has the same colored label as the cartridge you are installing.

Important:
If the printhead is new, install new ink cartridges. New ink cartridges are required for successful printhead replacement.
Close the main door.
The front panel recommends a printhead alignment.

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