Question about HP LaserJet 4 plus Printer

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My pages have grey vertial stripes which don't go when we clean

The stripes are not solid but grey lines and run through every page.

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  • corinwillett Nov 17, 2008

    We have tried to clean the roller. Is there anything else that may need cleaning?

  • Anonymous Nov 18, 2008

    Cleaning the roller worked perfectly. Thank you!

  • bangoshe Dec 06, 2008

    grey vertical lines that run trough the page

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Have it cleaned it souns like it has gotton ink on the feed rooler.
oldgrizzly

Posted on Nov 16, 2008

  • oldgrizzly Nov 17, 2008

    Have you tried cleaning the bottom side of the carage that hols the ink cartridges.

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2 Answers

Makes a white strip in the left side of paper


You should do a basic clean from the control panel menu a few times, do a light stripes page and see what jets are bad, and if needed try substituting the bad jets. If after trying cleaning and substituting you still see light stripes you will need to replace the printhead. Here are 2 videos I made that show you how to do all of that. Good luck, hope this helps!

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Mar 08, 2011 | Xerox Phaser 8550DP Printer

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My Xerox 8400 is printing the wrong colors. Where it's red, it's printing a brown shade and where it should be grey, it's printing green. My logo is grey and red and it's printing all grey, but not the...


Try printing a light stripes test page (Troubleshooting, print quality problems, troubleshooting print quality page).

If you do not appear to have many missing jets but the colours are all just wrong it may be that the ink has gone stale. Run a couple of head cleans and you should see the colours start to improve. If it is getting better, all you can do is keep running head cleans until you have replenished all the ink in the printhead well.

This problem is common in situations where a lot of black and white printing is done, with very little colour.
Alternatively, it could be that your wiper/cleaning blade is not cleaning the head properly and is smearing the different coloured inks across the head, or possibly that your printhead is leaking colours but I think the first solution should solve your problem.
Hope this helps.

Dec 09, 2010 | Xerox Phaser 8400 Laser Printer

1 Answer

Lines on print. There's are three lines on picture print only. Can't see the line on document. It's about 1/4 inch wide and going throught top to bottom.


Have ou gone into your menus. Into troubleshooting, then image quality.
You will want to run both the eliminate light stripes and eliminate smears procedures. that will purge the print head, blow air through the jets and hopefully resolve the problem. I do believe the 8550 has a Jet Substitutin procedure where you can do a workaround and make other jets make up for the light areas.
here are some directions, Will forward more

  1. Press the [Up] or [Down] arrow button on the Control Panel to select [Troubleshooting] on the Display Screen, and then press the [OK] button.
  2. Press the [Up] or [Down] arrow button to select [Print Quality Problems], and then press the [OK] button.
  3. Press the [Up] or [Down] arrow button to select [Troubleshooting Print Quality Page], and then press the [OK] button.
  4. Evaluate the 'Light Stripes Test' page for missing printhead jets, such as missing Cyan, Magenta, Yellow or Black color bars. The 'Light Stripes Test' page is the last page of the Troubleshooting Print Quality Page that printed.

    WARNING: To avoid injury, do not touch the sharp metal strip attached to the clear rubber wiper blade in the Maintenance Kit.

  5. Use a clean lint-free cloth or a new paper coffee filter to gently clean the maintenance unit's clear rubber wiper blade, use only a wiping motion across the entire length of the wiper blade, and then empty the waste tray. A dirty maintenance kit wiper blade can cause white lines and weak or missing printhead jets.


  6. 8500-wiper-blade-clean.jpg

  7. Repeat step 3 to reprint the Troubleshooting Print Quality Pages. If there are no missing or partially missing color bars then the print quality problem has been resolved. If there are missing or partially missing color bars then the printhead cleaning procedure will need to be performed. Continue with the next section.
To clean the printhead using the basic eliminate light stripes procedure:
  1. Press the [Up] or [Down] arrow button on the Control Panel to select [Troubleshooting] on the Display Screen, and then press the [OK] button.
  2. Press the [Up] or [Down] arrow button to select [Print Quality Problems], and then press the [OK] button.
  3. Press the [Up] or [Down] arrow button to select [Eliminate Light Stripes], and then press the [OK] button.
  4. Press the [Up] or [Down] arrow button to select [Basic], and then press the [OK] button. The printer will perform a head cleaning, which will take about five minutes. The printer will then print a cleaning page and a light stripes test page.
  5. Repeat steps 1 - 4 one more time. If there are no weak or missing jets then the print quality problem has been resolved. If there are still weak or missing jets after two basic light stripe cleanings, continue with step 6.

    NOTE: Do not try the Advanced Eliminate Light Stripes Cleaning mode without performing two basic cleanings first.

    To clean the printhead using the advanced eliminate light stripes procedure:

  6. Press the [Up] or [Down] arrow button to select [Advanced], and then press the [OK] button.
  7. Select the missing jet color and number. If necessary, check the light stripes test page to determine the color and jet number of the missing jet.

    NOTE: Only perform the advanced light stripe cleaning once. If weak or missing jets still persist, continue with step 8.


  8. Print the Troubleshooting Print Quality Page. Evaluate the Light Stripes Test page for missing printhead jets, such as missing Cyan, Magenta, Yellow or Black color bars. If necessary, perform the basic eliminate light stripes procedure one more time. If the Advanced Eliminate Light Stripes procedure does not resolve the weak or missing jets, perform the Enable Jet Substitution Mode. See the Related Items below.

Feb 05, 2010 | Xerox Phaser 8550DP Printer

1 Answer

Vertical line from document feeder


there is probably a dirt spot on the scanner glass where the document feeds in. try cleaning the thin glass under the document feed cover.

Apr 24, 2009 | HP Officejet J5780 All-In-One Printer

1 Answer

Faint grey lines Every 1/3rd of a printed page


This is the test to determine toner or fuser issue.
Print a test page
When you hear the paper feed into the machine open the top to stop the machine
Remove the toner cart.
You should be able to see the page with printing on it. (This is before the page hits the fuser)
If you can see the smudge or marks on the page the problem is most likely the cartridge or cleaning roller but NOT the fuser.
If the page is clean the problem is most likely the fuser.

Oct 22, 2008 | Lexmark Optra S 1855 Laser Printer

1 Answer

Possible Print Head Issue


Select the Jet Substitution Mode.
  1. On the Control Panel, select Troubleshooting, and then press the OK button.
  2. Select Print Quality Problems, and then press the OK button.
  3. Select Eliminate Light Stripes, and then press the OK button.
  4. Select Jet Substitution Mode, and then press the OK button.
  5. Follow the Control Panel prompts to select the color and malfunctioning jet number indicated on the Light Stripes Test page.

Mar 25, 2008 | Xerox Phaser 8550DX Laser Printer

1 Answer

Lanier 6735 Copier


Sounds like you need a new cleaning blade. It is located inside the process assy behind the drum.

Aug 10, 2007 | Lanier 1205 Copier

1 Answer

Horizontal lines


do a nozzle check, or printer utility check on the printer and see if this helps.

Jun 08, 2007 | Canon PIXMA IP5200 InkJet Photo Printer

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