HP DesignJet Z2100 24 User Manual

The front-panel display recommends reseating or
replacing a printhead
1.From the front panel, turn the power off then on.
2.Check the front-panel display message, if it shows the ready message, the printer is ready to print.
If the problem remains continue with the next step.
3.Remove the printhead, see 
Remove a printhead on page 86.
4.Clean the electrical connections on the backside of the printhead with a lint free cloth. You can
carefully use de-ionized or distilled water if moisture is needed to...

Must remove the printhead (see Remove a printhead on page 86) and using a cotton swab and a little
de-ionized or distilled water, clean the bottom of the printhead until the residue is removed.
Clean the printhead drop detector
The printhead drop detector is a sensor that detects which nozzles on the printheads are not printing in
order to substitute them for good printing nozzles. If particles, such as fibers, hair, or paper pieces, block
the sensor print quality is affected.
When the front panel...

2.To avoid an electric shock, switch the printer off and unplugged it.
3.Open the transparent window.
4.Find the printhead drop detector beside the stored printhead carriage.
5.Remove any debris blocking the printhead drop detector.
6.With a dry lint free cloth, wipe the surface of the drop detector to remove any non-visible debris.
ENWW Clean the printhead drop detector 143
Troubleshooting ink
cartridge and printhead
issues
 

7.Close the window.
8.Plug in and switch on the printer.
9.Power the printer on at the front panel.
Align the printheads
Precise alignment between printheads 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.
In cases where the paper has jammed, you have used a custom paper, or are experiencing problems
with color accuracy (see 
Color...

Reinsert printheads procedure
1.If the realignment process is running and the wrong paper is loaded, press the Cancel key on the
front panel.
CAUTIONDo not print if the realignment process has been canceled. You can restart the
alignment with the Image Quality Maintenance menu procedure.
2.Load the paper you wish to use, see Paper handling on page 23. You can use a roll or cut sheet,
however, it must be A3 landscape or larger (420 by 297 mm). Photo paper is recommended for
the best results.
NOTEIf you...

3.If the loaded paper is satisfactory, the printer runs the realignment and prints a realignment pattern.
Ensure the transparent window is closed, as a strong light source near the printer during printhead
realignment can affect alignment.
4.The process takes about five minutes. Wait until the front-panel display shows the process
complete before using the printer.
Scanning errors during alignment
If the alignment process fails, a Scanning problems message appears on the front panel. This means
that the...

14 Troubleshooting general printer issues
●The printer does not print
●
The printer seems slow
●
Communication failures between computer and printer
●
Cannot access HP Easy Printer Care (Windows) or HP Printer Utility (Mac OS)
●
Cannot access the Embedded Web Server
●
Automatic file system check
●
An AutoCAD 2000 memory allocation error
●
No output when printing from Microsoft Visio 2003
●
Unavailable driver features when printing from QuarkXPress
●
Printer alerts
ENWW147
Troubleshooting general
printer...

The printer does not print
If all is in order (paper loaded, all ink components installed, and no file errors), there are still reasons
why a file you have sent from your computer may not start printing when expected:
●You may have an electrical power problem. If there is no activity at all from the printer, and the front
panel does not respond, check that the power cable is connected correctly and that there is power
available at the socket.
●You may be experiencing unusual electromagnetic phenomena,...

To solve a communication problem:
●Ensure that you have selected the correct printer in your application, see 
Printing on page 41.
●Ensure that the printer works correctly when printing from other applications.
●Remember that very large prints may take some time to receive, process, and print.
●If the printer is connected to a network, try using it when connected directly to your computer
through a USB cable.
●If your printer is connected to your computer through any other intermediate devices, such as...

3.If you have a TCP/IP connection to your printer, press the Menu key to return to the main menu
and select the Connectivity menu icon 
 again.
4.Select the type of connection you are using.
5.Select View Information.
6.Ensure that you see IP enabled. If not, you may need to use a different connection.
If you are using a proxy server, try bypassing the server and accessing the Web server directly.
●In Internet Explorer 6 for Windows, go to Tools > Internet Options > Connections > LAN
Settings, and check...