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HP Designjet 70 and 90 Series Printers - Navigating the Front Panel

Introduction
The front panel (or control panel) of the printer includes a display that gives information about the status of the printer, three buttons that can be used to control printing operations, and two lights that indicate the state of the printer.
Figure : Front panel
1- Display
2- OK button
3- Attention light
4- Power button
5- Power light
6- Cancel button
Front panel display
The front panel has a display area that gives information about the printer. The sets of icons in the lower two-thirds of the display refer respectively to the Black, Cyan, Magenta and Yellow components of the ink system. Other icons that might appear indicate printer states, operations, and errors. For more information about these icons, see the "Display Panel Icons" and the "Front Panel Error Messages" sections of this document.
Front panel buttons
  • Power: Turns the mains power on and off. (The printer must be unplugged to completely isolate it from the power supply)
  • Cancel: Cancels the current operation.
  • OK: Indicates the following types of information to the printer:
    • Paper is loaded in the appropriate tray or feed, and the printer may start printing
    • A problem has been corrected (for example, jammed paper removed or a failing printhead replaced) and the printer should resume printing
Front panel lights
Display panel icons
The following table describes the icons found on the display panel of the printer.
Icon
Description
Figure 1: Ink Cartridge icon
  note:
HP Designjet 90 will have six icons.
On: Normal. The height of each bar indicates the amount of ink in each of the ink cartridges.
Flashing: The flashing cartridge is low on ink or out of ink. If all cartridges flash, there is an error in the ink system.
Off: Printer is powered off or is starting up. No cartridges are shown if any cover is open or if the rear path is removed.
Figure 2: Printhead icon
  note:
HP Designjet 90 will have six icons.
On: Normal.
Flashing: Indicates a problem with the flashing printhead. Replace the failing printhead.
Off: Printer is powered off or printhead is being replaced. No printheads are shown if any cover is open or if the rear path is removed.
Figure 3: Busy icon
Flashing: Printing, canceling a job, drying, or powering off. Might also flash while the printer is measuring the paper for skew before a job is sent for printing using the rear or front sheet feeds.
Flickering: The top cover or side cover is open. Close the top cover or close the side cover.
Off: The printer is off, idle, or awaiting user action.
Figure 4: State of Sheet Paper icon
Flashing: Out of paper or paper stalled. Add paper or clear the paper path.
Off: Normal.
Figure 5: Press a Key icon
Flashing: Printer waiting. Press the OK key to indicate that the printer should continue (for example, after loading paper).
Off: Normal.
Figure 6: Paper Jam icon
Flashing: Paper jammed, paper stalled, or carriage stalled. Clear the paper jam.
Off: Normal.
Figure 7: Paper Misaligned icon
Flashing: The paper is misaligned and must be reloaded to print. Reload the paper.
Off: Normal.
Figure 8: Use System Maintenance icon
Flashing: Indicates a hardware error. Run the System Maintenance tool for the printer. From the Print command in the software application, click Properties, click the Advanced tab, and then click Designjet System Maintenance.
Off: Normal.
Front panel error messages
The front panel of the printer includes a yellow Attention light that flashes when the printer is experiencing a problem or error that requires a user action. Icons in the front panel display give more information about the problem or error. The sections below contain images of these icons, descriptions of the problem or error they indicate, and possible solutions for the problem or error.
Ink Cartridge icon
Figure : Ink Cartridge icon
Problem/error
If flashing: The flashing cartridge is low on ink or out of ink. If all cartridges flash, there is an error in the ink system.
Action
Ink cartridge low or out
Replace the depleted ink cartridge as soon as possible using the following steps:
  1. Open the front hinged flap at the right of the printer.
  2. Grip the ink cartridge by its shorter top edges, and lift it up and out of the printer.
  3. Lower the new ink cartridge into its slot until it clicks into place and feels secure.
  4. Repeat the steps above for each ink cartridge that needs to be replaced.
  5. Close the outer flap.
Ink system error
  1. Remove all of the ink cartridges (see Step 2 above).
  2. Return the cartridges one by one to their locations, making sure that each is firmly seated in the proper position.
  3. If the corresponding icon stops flashing, that cartridge is OK.
  4. If the icon continues to flash, replace the cartridge with a new one.
Printhead icon
Figure : Printhead icon
Problem/error
There is a problem with the flashing printhead.
Action
Replace the failing printhead using the following steps:
  1. Open the front hinged flap at the right of the printer.
  2. Open the second (back) part of the flap and lift it back.
  3. The print carriage will move to the left and then back to the right. Wait for it to stop.
  4. Pull the printhead cover up and towards you, so that the hook at the front unlatches itself, and then push the whole cover back so that the printheads are exposed.
  5. For each printhead that needs to be replaced do the following:
    • Lift the small handle at the top front and use it to pull the printhead vertically up and out of the printer.
    • Take the new printhead and remove the tape that protects its electrical contacts and ink nozzles.
    • Lower the new printhead into place, and close its small handle.
    • Push the printhead gently into place until it is secure.
    • Repeat this for each printhead that is to be replaced.
  6. Pull the printhead cover towards you, ensuring that the hook at its front edge latches onto the tab, and then push it away from you to close the cover.
  7. Finally, close the rear part and then the front part of the outer flap.
      note:
    After a printhead is replaced, the printer will automatically realign its printheads.
Busy icon
Figure : Busy icon
Problem/error
If flickering: The top cover or side cover of the printer is open.
Action
Close the open cover.
State of Sheet Paper icon
Figure : State of Sheet Paper icon
Problem/error
The printer is out of paper or the paper stalled.
Action
Add paper or clear the paper path. If the paper appears to be stalled, try pressing the OK button. If the paper appears to be jammed, click here for information about clearing a paper jam.
Press a Key icon
Figure : Press a Key icon
Problem/error
The printer is in a waiting state.
Action
Press the OK key to indicate that the printer should continue printing (for example, after loading paper or correcting a problem).
  note:
If the OK key is pressed while the printer is waiting for the ink to dry, the printer resumes without waiting further. It can be useful to remove sheets of large paper from the printer before they have completely dried, but handle them with due caution.
Paper Jam icon
Figure : Paper Jam icon
Problem/error
Paper is jammed or stalled, or a carriage is stalled.
Action
Clear the paper jam using the following steps:
  1. First, try pressing the OK key on the printer's front panel. If this does not solve the problem, continue with the rest of the steps.
  2. Turn off the printer.
  3. Remove all paper or print media from the tray. Pull out any paper that is visibly stuck.
  4. Lift the top cover and pull out any paper that might be stuck. Be careful when lifting the cover not to damage or disturb any of the tubes or other internal parts of the printer.
  5. Remove the rear path by pressing the buttons on each of its sides and pulling it straight out.
      caution:
    If the rear path is not pulled straight out, the paper sensor might be damaged.
  6. Pull out any paper that might be stuck inside or that is accessible from the rear.
  7. Replace the rear path and make sure that it fits securely.
  8. Turn on the printer.
      note:
    Aligning the printheads after clearing a paper jam is recommended. To align printheads, start HP Designjet System Maintenance and select Align printheads; an Internet connection is not necessary to do this.
Paper Misaligned icon
Figure : Paper Misaligned icon
Problem/error
The paper is misaligned and must be reloaded to print.
Action
Reload the paper.
Use System Maintenance icon
Figure : Use System Maintenance icon
Problem/error
A hardware error has occurred.
Action
Run the System Maintenance tool for the printer using the following steps:
  1. Open the printer driver for the printer. The procedure to open the printer driver depends on the operating system of the computer.
    • Windows 2000 and Windows XP:
      On the computer, click the Start button in the Windows taskbar. Click Settings, and then click Printers. Right-click the appropriate printer icon, and then click Printing Preferences.
    • Windows 95, Windows 98 and Windows Me:
      On the computer, click the Start button in the Windows task-bar. Click Settings, and then click Printers. Right-click the appropriate printer icon, and then click Properties.
  2. Click the Advanced tab of the driver.
  3. Click the Maintenance button. After it is clicked, the computer will open the Internet browser and start HP Designjet System Maintenance.
    If the Maintenance button is dimmed or does not appear, it means that HP Designjet System Maintenance is not installed on the computer. This is normal if a network printer server manages the printer. HP Designjet System Maintenance is normally installed on the printer server and not on each computer. If the computer being used manages the printer and the Maintenance button is dimmed or hidden, it is necessary to install HP Designjet System Maintenance. Insert the HP Designjet Software Setup CD and follow the instructions in the CD booklet.
  4. If an Internet connection is available, click the HP Instant Support option on the left-side menu bar of HP Designjet System Maintenance. The computer will collect information from the printer about status and error conditions and send it to HP Web servers. These servers will then display information about how to solve the problems detected. If HP Instant Support does not help the problem, select the Troubleshoot option to find other troubleshooting processes on the Web.
  5. If an Internet connection is not available, there are two other options: Align printheads and clean printheads. These can both be used, separately or in conjunction, to improve the quality of the images.

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