Question about Xerox Phaser 8550/SDP Color Laser Printer

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How to clean the printhead. Copies have a 1 inch strip without print. We have rtried to clean the printer using the white stripe message but it wastes a lot of paper and ink and there are too many to try to correct.

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It sounds like you need to replace your drum unit. It is a part with a roller that looks like it has been covered with green plastic. It is a light sensitive polymer which, over time, may lose its magnetic properties. You can try cleaning and drying it with water, but if it is too old, you may just need to replace it.

You can either order an entirely new drum unit, or you can just order the light-sensitive roller, and try replacing it yourself. Do at your own risk.

Posted on Jun 23, 2009

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There should be a clean printheads function option on the printer, or take out the ink cartridges and on the bottom place a fairly wet damp cloths on the bottom to get ink flowing again from the ink heads then replace into printer and print a test page, it should now work fine, obviously you havent used your printer for a while and the ink heads have dried up a bit

Posted on Jun 23, 2009

  • YIRMASTER
    YIRMASTER Jan 14, 2011

    This printer does not have ink cartridges, it uses solid ink sticks

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1 Answer

Barcode scanner won't read printed labels


1. The printhead in your printer might be scratched (evidenced by thin white streaks through your print). This is common, and the most likely cause. Printhead must be replaced.
2. Material might be stuck on your printhead (usually evidenced by wide white streak vertically through print). Printing surface of printhead can be cleaned with rubbing alcohol and cotton ball.
3. The ribbon might be wrinkling due to uneven tension, producing intermittent diagonal streaks in your print. This is somewhat common, but doesn't fit your description as well as 1 & 2 above. Mechanical adjustment and/or proper media loading solves ribbon wrinkles.
4. Poor pressure and/or printhead alignment. Evidenced by grainy, light or no print on one side or the other of the media. This is somewhat common, but doesn't fit your description as well as 1 & 2 above. Mechanical adjustment solves printhead pressure and alignment issues.

Dec 11, 2012 | Datamax E-Class E-4203 Label Printer

1 Answer

Error code e02826 after installing new printhead


Reset the print head. While out clean terminals with damp cotton wool. Should start after that if not probably faulty printhead,

Sep 28, 2012 | Canon imagePROGRAF W6400 InkJet Printer

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

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

White lines 1/2" when printing


Sounds like you may have damaged the printhead or the printhead connections.

I'd recommend removing the cartridges and then the printhead and check for any obvious signs of damage or soiling on the base of the printhead and/or on the back of the printhead. There's also a series of contact plates in the carriage unit (the bit the printhead and cartridges sit in)... These pins can become damaged.

Finally... if the process of removing the jam involved a lot of pulling and shoving you may have damaged the feed mechanism... Hard to know without seeing it so worth checking that some paper and/or ink hasn't soiled any of the calibration strips and is causing the printer to get "lost".


Appreciate the above is a bit technical but start with the printhead and work your way carefully through, looking for anything that might seem out of place or "odd".

Hope that helps.

Martin

Sep 29, 2009 | Canon PIXMA MP830 All-In-One InkJet...

1 Answer

B&W Gestetner is printing three 1/2 inch stripes


sounds like drum cleaning blade have you removed drum unit to check

Jul 29, 2009 | Office Equipment & Supplies

1 Answer

Pages printing blank


Resolving white, light lines or streaks (eliminate light stripes)

From the printer, print the Troubleshooting Print Quality Pages.
With Troubleshooting highlighted, press the OK button.
Scroll to Print Quality Problems by pressing the Up or Down Arrow button. Press OK.

Scroll to Troubleshooting Print Quality Page. Press OK.
Evaluate the Light Stripes Test page for missing printhead jets (missing cyan, magenta, yellow or black color bars).

Clean the maintenance unit's wiper blade and empty the waste tray. A dirty maintenance drawer wiper blade can cause white lines and weak or missing printhead jets. Using a clean lint-free cloth or a paper coffee filter, gently clean the blade with a wiping motion across the entire length of the wiper blade.

Dec 20, 2008 | Xerox Phaser 8400 Laser Printer

1 Answer

HP K550 Prints Solid Gray Boxes Around Items


Hi drglass1 -

13,000 copies - that's awesome! although you've surely fixed this problem by now, for future refs or someone else searching for an answer... you might find this ref hp support helpful. happy printing!

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00458018&lc=en&dlc=en&cc=us&lang=en&rule=35557&product=501369

Step 4: Clean the printheads
If the print quality is still bad, clean the printheads:
1. Make sure the printer is loaded with unused white paper.
2. Open the printer Toolbox and select the Printer Services tab.
3. Click Clean Printheads . A Clean Printheads window opens. Click Level 1 Clean .
4. Examine the page that prints for print defects.
a. If there are no defects, click Exit . Stop troubleshooting here .
b. If there are defects on the page, click Level 2 Clean . 5. Examine the page that prints for print defects.
a. If there are no defects, click Exit . Stop troubleshooting here .
b. If there are defects on the page, click Level 3 Clean . Note that Level 3 cleaning uses a lot of ink – it is not recommended if the cartridges are low on ink. - JW50

Sep 17, 2008 | HP OfficeJet Pro k550 Printer

2 Answers

Dark strip down center of page when coping from tray


There is a small strip of glass on the left side directly under the edge of the scanner, About a half an inch wide. It has something on it.
May be very hard to see, use a strong glass cleaner or some alcohol and a regular piece of paper to clean it with.

May 08, 2008 | Xerox Phaser 3200MFP/N Laser Printer

2 Answers

Printing problem


The black cartridge printhead needs to be cleaned or replaced. Follow your printer manual instructions.

Mar 18, 2007 | Canon PIXMA MP780 All-In-One InkJet...

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