Question about Canon imageCLASS MF6550 Monochrome Laser Copier

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Printing blank pages

When copying a document, the pages are blank. The toner cartridge was replaced last week. I have tried shutting down the unit for a night and it still produces blank pages, thinking it would reset any faults. There are no error messages being displayed. The laser light comes on, but still produces blank pages even with the cover up during copying process.

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  • dcsmithco379 Jan 23, 2009

    i have the same problem and see no wires in this door

  • Anonymous Mar 24, 2009

    I have this problem also. Previously, I was able to get it to work by cleaning contact wires on the toner door, but now, nothing.

    This is a major down fall of the machine.


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  • 1,352 Answers

Open the door and look for a unit that has some small hair like wires, are they intact or is one missing /broken???

Posted on Oct 30, 2008

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2 Answers

Drum Life Ends soon - Brother


The problem with this is the design. Each toner cartridge has a microchip on it, that counts the pages you print. The company has determined that you get x amounts of prints. Then you have to replace it, empty or not. This printers do not work the same way as an expensive professional business copier. In an pro style there is a spent toner cartridge that collects all of the wasted toner that is on the drum. On a small business/home style this spent toner goes back into the cartridge. There is no level indicator, even on the inkjet printer. They too, have a chip that says you have x amount of prints/cleaning cycles they can go through. Look up inkjet refill kits or inkjet cartridge programmer.

Mar 31, 2014 | Brother Mfc-7340 All-in-one Laser Printer...

2 Answers

My copies have a thin blank streak about 1 inch in on the left side. the streak is about 1/4 inch wide and goes down the whole sheet of paper


Start a print or copy, and just as the trailing edge of paper is entering the machine; quickly open it to stop print and take out the cartridge and look at the drum and the paper underneath. If the issue is there at that point then it would point to the cartridge. If not then it is in the fuser area.

Clean the loose toner up with a dry lint free cloth.


If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

May 20, 2011 | Brother DCP 1000 All-In-One Laser Printer

3 Answers

Black smudges down left side of page


How do I clean white or black spots on printed documents? Description: First make 10 to 15 copies of a blank, white sheet of paper.
If you still see the spots on printed documents after making multiple copies, clean the drum unit as follows:

  1. Remove the drum unit and toner cartridge assembly, and then remove the toner cartridge from the drum unit.
  2. Position the print sample in front of the drum unit so you will know the exact position on the drum that is causing the poor print.
  3. all-ug-19.gif
  4. Turn the black gear on the drum as you check the surface of the OPC drum.
    The OPC drum is photosensitive so do not touch it with your fingers.
  5. all-ug-20.gif
  6. When you find the substance on the drum surface that matches the print sample, gently dab the surface of the OPC drum with a cotton swab that is lightly dampened with isopropyl alcohol.
  7. Note
      • Do not use a scrubbing or wiping motion because this might damage the drum.
        all-ug-21.gif
      • Do not try to clean the surface of the OPC drum with a sharp object, such as a ball-point pen, because this might cause permanent damage to the drum unit.
  8. If the print quality still has not improved you need to install a new drum.

Dec 02, 2010 | Samsung ML 2010 Laser Printer

1 Answer

Have a black line on all my scanned files, runs the length of the page, about 1 1/2 inches from the left edge.


To determine if the vertical lines appearing on your printed documents are related to a printing or scanning issue, print a test page by pressing MENU, 4 (Printer), 2 (Print Options), 3(Test Print) and COLOR START.
If the vertical lines appear on the Test Print continue to Procedure A:Cleaning the Corona Wires Inside the Drum.
If the vertical lines do NOT appear on the Test Print continue to Procedure B: Cleaning the Scanner Glass.
Procedure A: Cleaning the Corona Wires Inside the Drum:
NOTE: Brother strongly recommends that customers do not use generic drumunits and/or toner cartridges, or refill their Brother toner cartridge. Each Brother laser printer is designed to work at pre-set temperatures that are matched exactly to each of our individual toner formulations. Each individual component is designed to work with the other to ensure quality and reliability. Using non-Brother supplies may affect the hardware performance, print quality and machine reliability. The Brotherlimited warranty does not apply to any problem that is caused by the useof unauthorized third party drum units, toner cartridges or toner.
A1. Power off the Brother machine using the power switch located on the right side of the machine.
A2. Press down on the front cover release lever and open the front coverby pulling it towards you.
A3. Hold the green handle of the drum unit (labeled 1). Lift the drum unit up and then pull it out until it stops.
NOTE: If you cannot pull the drum unit out, make sure that the front cover is fully open.
A4. Remove the toner cartridges one at a time, by holding the handle of the cartridge and lifting it up and out of the drum unit.
Note: We recommend you place the toner cartridge(s) on a clean, flat surface with a piece of disposable paper underneath it in case you accidentally spill or scatter toner.
A5. Lift the white plastic corona wire cover by lifting the tabs locatedon the right and left side of the cover.
A6. Clean the corona wire inside the drum unit by gently sliding the green tab from left to right several times.
Note: Be sure to return the tab to the home position. If you do not, printed pages may have a vertical stripe.
A7. Close the corona wire cover.
A8. Repeat Steps 5 through 7 to clean each of the remaining three coronawires.
A9. Reinstall the toner cartridge(s):
NOTE: Before reinstalling the toner cartridge, shake the toner cartridgeside to side.
Hold the handle of the toner cartridge and slide the toner cartridge into the drum unit. Make sure that you match the toner cartridge color to the same color label on the drum. Fold down the toner cartridge handle once the toner cartridge is in place. Repeat this for all the toner cartridges.
A10. Push the drum unit back into the machine until it clicks into place.
A11. Close the front door and power on the Brother machine.
A12. Print a test page by pressing Menu, 4 (Printer), 2 (Print Options),3(Test Print) and Color Start.
Procedure B: Cleaning the Scanner Glass
B1. For safety reasons, power the Brother machine Off using the power switch located on the right side of the machine.
B2. Lift the Document Cover and clean the following with a lint-free cloth moistened with a non-flammable glass cleaner:
a. Run your fingertip over the scanner glass of the flat bed to check for debris. If you feel debris, clean the entire glass area but concentrating in the area in which you felt the debris. (Caution! Do notpress down on the glass very hard.)
b. Run your fingertip over the scanner glass on the left to check for debris. If you feel debris, clean the entire glass area but concentrating in the area in which you felt the debris.
c. The white plastic pad located on the underside of the Document Cover
d. The white plastic pressure bar located to the left of the white plastic pad.
B3. Close the Document Cover.
B4. Test the machine by making a copy of a blank sheet of paper using the ADF (Automatic Document Feeder) and a copy using the Flat Bed.
a. To make a copy using the ADF, place the document face UP in the ADF, press the COPY mode key located below the LCD display and then COLOR START. If the problem continues,repeat Steps 2b and 2d at least 3 additional times.
b. To make a copy using the flat bed, lift the Document Cover of the flat bed, place the document face down on the scanner glass (make sure the ADF is empty) and close the Document Cover. Press the COPY mode key located below the LCD display and then COLOR START. If the problem continues, repeat Steps 2a and 2c at least 3 additional times.

Oct 29, 2010 | Brother MFC-9440CN Laser Printer

2 Answers

How do I get a meter reading of number of copies?


Here you go.

  1. Press the [Reports] button on the Control Panel

    m15-console-report-but.jpg

  2. Press the [Up] or [Down] arrow until 'Systems Data' is displayed on the Display Screen.
  3. Press the [Enter] button.

    The System Data list will be printed with the following information:
    • Total Page Counts: Total number of pages printed
    • CRU Prints: Number of pages printed using the current Toner (Dry Ink) Cartridge
    • Replaced Toner Counts: Number of new Toner Cartridges installed in the machine
    • Replaced Drum Counts: Number of new Drum Cartridges installed in the machine
    • Current Drum Page Counts: Number of pages printed using the current Drum Cartridge
    • Platen Scan Page Counts: Number of pages scanned using the Document Glass
    • ADF Scan Page Counts: Number of pages scanned using the Automatic Document Feeder (ADF)

Feb 10, 2010 | Xerox WorkCentre M15i Laser Printer

2 Answers

MY CLP-300 PRINTER IS NOT PRINTING BLACK TXT WELL (OTHER COLOURS FINE) DESPITE HAVING A NEW BLACK TONER CARTRIDGE CAN ANYONE EXPLAIN WHY ?


Spend a little time searching the topic on google and even this post. It appears that this has been a well documented problem since at least early 2008. The problem appears to be the imaging unit. According to several posts, Samsung has replaced several of the units. I purchased my CLP-300 in November 2008 and it worked with no problems until about 8 months in. The black text would print very lightly on the left side of the page about 1/4 of the way into the page. There was also a streak that ran down the page vertically that disrupted the text. I could change the font to any color and it would print just fine. After replacing several toner cartridges, I just began to print in a dark color for many months. After discovering all the posts on the internet this week, I contacted Samsung today with my documentation and evidence. They basically blew me off stating that I was outside of the 1 year warranty period and there was nothing they could do. I was even hung up on by a Samsung employee named Michael. Tonight I plan to take a hammer to it to relieve a little frustration. I cannot understand why Samsung chooses to ignore this well documented problem. Good luck.

Jan 07, 2010 | Samsung CLP 300 Laser Printer

1 Answer

Brother MFC-7420 just started printing a shadow image


Sounds like a bad drum cartridge. Pull the toner/drum cartridge out of the machine and set it down. Press down on a (blue?) tab to release the toner cartridge, and you can lift the toner cartridge out of the drum cartridge. There is a cleaning blade in there - a soft plastic blade that rides against the drum and scrapes off toner that didn't get transferred to the paper. If it gets stuck off the drum surface, images repeat a few inches (one drum circumference) down the page.

A new DR-350 drum unit should fix it. have the machine's power on when replacing it. While the door is open, touch the CLEAR key. The display will read "REPLACE DRUM?" or something like that. Press 1 for Yes.

Jan 05, 2010 | Brother MFC 7420 All-In-One Laser Printer

3 Answers

Four dots middle of page


How do I clean white or black spots on printed documents? Description: First make 10 to 15 copies of a blank, white sheet of paper.
If you still see the spots on printed documents after making multiple copies, clean the drum unit as follows:

  1. Remove the drum unit and toner cartridge assembly, and then remove the toner cartridge from the drum unit.
  2. Position the print sample in front of the drum unit so you will know the exact position on the drum that is causing the poor print.
  3. all-ug-19.gif
  4. Turn the black gear on the drum as you check the surface of the OPC drum.
    The OPC drum is photosensitive so do not touch it with your fingers.
  5. all-ug-20.gif
  6. When you find the substance on the drum surface that matches the print sample, gently dab the surface of the OPC drum with a cotton swab that is lightly dampened with isopropyl alcohol.
  7. Note
      • Do not use a scrubbing or wiping motion because this might damage the drum.
        all-ug-21.gif
      • Do not try to clean the surface of the OPC drum with a sharp object, such as a ball-point pen, because this might cause permanent damage to the drum unit.
  8. If the print quality still has not improved you need to install a new drum.

Sep 11, 2008 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Problem printing after replacing toner cartridge


We replaced the cartridge and it is still copying in bad quality.
Printing is fine but it is the copying that is the problem.

Aug 07, 2008 | Samsung SCX-4216F All-In-One Laser Printer

2 Answers

Blank trace appears on printed copy


replace the toner cartridge, this is a case of low toner.

NOTE: you should never clean the drum on the toner cartridge it is sensitive to light and touch.

Jan 07, 2008 | HP LaserJet 1020 Printer

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