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HP Color LaserJet 2550 Series Printer - Solving General Printing Problems and PostScript Errors

Troubleshooting checklist

If the printer is not responding properly, complete the steps in the following checklist in the order provided. If the printer does not pass a step, follow the corresponding troubleshooting suggestions. If a step resolves the problem, the remaining steps do not need to be completed.
  1. Verify that the printer Ready light is on. If no lights are on, complete the following:
    1. Check the power cable connections.
    2. Verify that the power switch is on.
    3. Check the power source by plugging the printer directly into the wall or into a different outlet.
  2. Check the cabling.
    1. Check the cable connection between the printer and the computer or network port. Make sure that the connection is secure.
    2. Make sure that the cable itself is not faulty by using a different cable, if possible.
    3. Print a Configuration page. If the printer is network-enabled, an HP Jetdirect Configuration page will print as well. Verify that all the network settings are correctly configured. Contact the Network Administrator for assistance.
  3. Verify that the print media in use is within specification for the printer.
  4. Simultaneously, press and release to GO and Job Cancel buttons to print a Configuration page and a Supplies Status page. If the printer is network-enabled, an HP Jetdirect page also prints.

    1. If the Configuration and Supplies Status pages do not print, check the following items:
      • Check that there is paper in at least one of the printer input trays.
      • If the page jams, clear the jam from the printer.
      • Try printing the Configuration and Supplies Status pages again.
    2. If the Configuration and Supplies Status pages print, check the following items:
      • If the pages print correctly, then the printer hardware is working. The problem is in the computer, the print driver, or the program.
      • If the pages do not print correctly, calibrate the printer.
      • Print the pages again. If the pages still do not print correctly, proceed to the next step.
  5. At the computer, check the print queue or print spooler (Print Monitor or Print Center Queue for Macintosh operating systems) to see if the printer is paused or set to print offline.
  6. Verify that the HP Color LaserJet 2550 print driver is installed. Check the program to verify that the correct print driver was selected.
  7. Print a page from the HP LaserJet Toolbox, if available.
    1. If the page prints, the problem is in the printer driver. For Windows, try using the other print driver. For example, if using the PCL6 print driver, try printing using the HP postscript level 3 emulation print driver. --OR-- For Windows and Macintosh systems, try uninstalling and reinstalling the print driver.
    2. If the page does not print, the problem is in the computer or the program.
  8. Print a short document using a different program that has worked in the past. If this solution works, then the issue is with the program. If this solution does not work (the document does not print), complete the following:
    1. Try printing the job from another computer that has the printer software installed.
    2. If connected to the printer via a network, try connecting the printer directly to a computer using a parallel or USB cable. Redirect the printer to the correct port, or reinstall the software and select the new connection type in use.
  9. If the problem persists, proceed to the appropriate table below:

Solving general printing problems

The print job is extremely slow.
Cause
Solution
The job might be very complex (for example, if it contains graphics).
  • Wait for the job to print.
  • Reduce the complexity of the page or try adjusting the print-quality settings. If this problem occurs frequently, add memory to the printer.
The maximum speed is 16 ppm in black and 4 ppm in color and cannot be exceeded even when more memory is added.
Wait for the print job to finish.
Printing speeds might be automatically reduced when printing special-size media.
Wait for the print job to finish.
In the printer driver, the Type or Size is set incorrectly for the media in the printer.
  • If printing on heavy paper, the Type or Size should be set to a heavy paper setting. The printer printers more slowly to provide better quality. Wait for the job to print.
  • If not printing heaving paper, set the Type or Size in the printer driver to plain paper.
  • In the default settings for this printer, click the Paper tab and make sure that Type is set to plain paper. The setting can be overridden from the print driver when printing on heavy paper.
An issue might exist with the driver.
If printing using a PCL driver, printing using the HP postscript level 3 emulation driver, or vice versa.
The printer pulls paper or print media from the wrong tray.
Cause
Solution
The Source (tray) selection might be incorrect.
  • For Windows, make sure that the Source is selected from the Print dialog box (which is part of the program) if possible or in the printer driver. If Source is selected in the printer driver and then a different Source is selected in the Print dialog box, the Source setting in the printer driver changes to match the Source setting in the Print dialog box.
  • For Macintosh, set the Source in the Print dialog box.
  • Remove any media from other trays to make the printer select from the desired tray, and then press the green GO button.
The Type or Size setting does not match the size of paper or print media loaded in the tray.
Using the HP LaserJet Toolbox, change the Type or Size setting for the tray to match the size of the print media that is loaded.
Media is loaded in Tray 1.
Remove any media from Tray 1. The printer pulls from Tray 1 if a tray with a compatible size or type is not specified and Tray 1 is not configured.
Printer does not pull paper from optional Tray 2 or optional Tray 3.
Cause
Solution
The rear paper length guide (optional Tray 2) or the rear paper stop (optional Tray 3) is set incorrectly.
Adjust the rear guides to the proper setting.
The tray is not recognized in the printer software.
Configure the printer software to recognize the tray.
If the printer does not pull paper from either tray, the problem might be with the paper.
  • Try a different brand of paper.
  • Make sure that the media is within specification for this product.
The separation pad and the pick-up rollers might be worn out.
Replace the separation pad and pick-up rollers.
The printer does not respond when the print command is selected in the software.
Cause
Solution
The printer experienced an error.
Check the control panel lights on the printer to determine if an error exists.
If no control panel lights are on, the printer is not receiving power.
  1. Check the power cable connection between the printer and the power source.
  2. Check that the power switch is on.
  3. Check that the power source (the wall outlet) is receiving power.
  4. If the problem persists, contact HP customer care for additional assistance. See the support flyer that shipped with the product for contact information.
The printer might be in Manual Feed mode (the Attention light is blinking and the the Go light is on).
Add media to Tray 1 if it is empty. If media is already in the tray, press the green, GO button.
The wrong printer was selected in the software.
In the Print or Printer Setup dialog box, make sure that the HP Color LaserJet 2550 series printer is selected as the printer.
A jam might be present.
Clear any jams from the paper path.
The printer is on a network and is not receiving a signal.
  • Disconnect the printer from the network and attach it directly to a computer using a parallel or USB cable.
  • Clear any stopped jobs from the print queue.
  • Print a job that is known to work to determine if it is an application- or job-specific issue.
  • Reinstall the printing software.
The interface cable between the computer (or network) and the printer is not connected properly.
Disconnect and reconnect the interface cable.
The interface cable is defective.
  • If possible, connect the interface cable to another computer (or network port) and print a job that is known to work.
  • Try using a different cable.
If the printer is connected to a computer, the software for the printer is not configured for the printer port.
  • Check the printer selection menu in the software to make sure it is using the correct port. If the computer has more than one port, make sure that the printer is associated with the correct one.
  • Remove all shared or third-party devices.
Pages print, but all colors do not print or the pages are completely blank.
Cause
Solution
One of the print cartridges might be low or empty.
Print a Demo page or Configuration page to verify that all four colors print. If not all colors print, replace one or more of the print cartridges.
If the printed pages are completely blank, the file might have blank pages.
Check the file to verify that it does not contain blank pages.
Clean the contacts on the ends of the print cartridge and inside the printer if they appear dirty or dusty.
A print cartridge might be low or empty.
Check the printer control panel for a Supplies Status message, or print a Supplies Status page, to see the levels remaining the print cartridges. Replace any print cartridges that are low or empty. Messages are not created for non-HP print cartridges.
If using non-HP print cartridges, one or more print cartridges are low or empty. The control panel lights do not indicate low or empty for non-HP print cartridges.
Replace one or more of the print cartridges.
Font DIMM might be selected but the font DIMM is not physically installed in the printer. (This issue applies only when using an Asian-language font DIMM).
In the settings for this printer, clear the Font DIMM checkbox on the Configure tab if no font DIMM is installed in the printer. Select the Font DIMM checkbox only if the font DIMM is physically installed in the printer. If the font DIMM is installed, verify that the DIMM is installed correctly.
The paper curls when exiting the top output bin.
Cause
Solution
The paper needs to print to the straight-through paper path.
Open the rear output door to print to the straight-through paper path. Remove each sheet as it exits the printer.
The stack was slightly curled when it was placed in the tray.
Turn the stack over in the tray.
The paper does not meet specifications.
See the HP Color LaserJet 2550 Series Printer User Guide for information about print-media specifications.
If printing on light media, the Type setting might not be correct.
Select Light in the Type field in the printer driver.
The printer prints, but the text is wrong, garbled, or incomplete.
Cause
Solution
Not enough power is supplied to the printer because the printer is plugged into a power strip or a UPS.
Plug the printer power cord directly into a wall outlet.
The interface cable is loose or defective.
Disconnect the printer cable and reconnect it. Try a print job that you know works. If possible, attach the cable and printer to another computer and try a print job that is known to work. Finally, try a new cable.
The printer is on a network or sharing device and is not receiving a clear signal.
Disconnect the printer from the network or shared drivers and attach it directly to a computer using a parallel cable or a USB cable. Print a job that is known to work.
The wrong driver was selected in the software.
In the Print or Printer Setup dialog box, make sure that the HP Color LaserJet 2550 series printer is selected as the printer and that the appropriate port is selected.
The printer driver is malfunctioning.
Print a page from the HP LaserJet Toolbox. If the page prints, then the problem is in the printer driver. Uninstall and reinstall the printer driver.
The program is malfunctioning.
Try printing a job from another program.
If the printer is connected to a computer, the operating system is malfunctioning.
Check the operating system.
NOTE: This method works only with Microsoft Windows 98, NT 4.0, and 2000 operating systems, and the computer must be connected to a parallel cable. If this method is not known, see the documentation that came with the printer.
Restart the computer. When it beeps during startup, press F5 and select Command Prompt Only . At the C:\ prompt on the computer, type Dir<LPT1 and then press Enter. (This assumes that the printer is connected to LPT1.) If the GO light comes on at the printer, press the GO button to print and eject the page. If the page prints correctly, then the operating system is malfunctioning.
Font DIMM might be selected but the font DIMM is not physically installed in the printer. (This issue applies only when using an Asian-language font DIMM).
In the settings for this printer, clear the Font DIMM checkbox on the Configure tab if no font DIMM is installed in the printer. Select the Font DIMM checkbox only if the font DIMM is physically installed in the printer. If the font DIMM is installed, verify that the DIMM is installed correctly.

Solving PostScript (PS) errors

The following situations are specific to the PS language and might occur when several printer languages are in use.
NOTE: Select this option in the PS print driver or the HP LaserJet Toolbox to receive a printed or an onscreen message when the PS error occurs.
The job prints in Courier (the printer default typeface) instead of the typeface requested.
Cause
Solution
The requested typeface is not downloaded. A personality switch might have been performed to print a PCL job just before the PS printing job was received.
Download the font to be used and send the print job again. Verify the type and location of the font. Download the font to the printer, if applicable. See the software documentation for assistance.
A PS error page prints.
Cause
Solution
The print job might not be a PS job.
Make sure the print job is a PS job. Check to see if the program expected a setup or PS header file to be sent to the printer.
VM error
Cause
Solution
This is a PS font error that occurs when using several fonts.
Select Unlimited Downloadable Fonts in the printer driver.
Range check
Cause
Solution
The tray settings are incorrect.
  • Try printing from a different tray.
  • Select Unlimited Downloadable Fonts in the printer driver.
Limit check
Cause
Solution
The printer is out of memory.
  • Reduce the complexity of the page.
  • Use one of the other printer drivers.
  • Send the print job in smaller pieces with a fewer number of pages.
  • Install more memory.

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