Brother MFC-9420CN has double image in color only!
Have a Brother MFC-9420CN it prints black fine but all my colors are doubled about 5 mm below. so the letter c has another c below it
Looked at the fuser and it was ok. The OC belpt has a few marks. so I am puzzled.
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Well, either your print settings have it set to print in a color model that is not the native one (I can get this from CUPS drivers by picking KMCY instead of CMYK, among others) or it is confused enough to need Brother's initializing tool (program, I mean) to get it sorted out. Try de-weirding your settings first, then double-check the print dialog's settings when you retry. Nobody loves magenta-on-white for print.
Check the alignment. Press the key for Ink or Ink Management on the Control Panel. Select Test Print (the up/down arrows) and hit Menu/Set or Set. Select Alignment and press Menu/Set or Set. Next hit Mono (Black) Start. Look at the Alignment Sheet that prints out. Press 1 if the number 5 sample matches line 0 for both 600 and 1200 DPI samples. Press 2 and then the number for the line that matches that matches the 0 sample. Then press Stop/Exit. Repeat this for color printing by using the Color button.
You should also check the Print Quality. (Very similar menu choices - just choose Print Quality after choosing Test Print but you only need to hit the Color button to print the test sheet.) This will initiate a cleaning cycle for any poor quality ink test pattern. You will need to respond Yes or No for the print quality and each ink (if you answered No). If you do the cleaning 5 times with problems, replace the cartridges in question.
Finally try cleaning the printhead (Press Ink or Ink Management and then 1 for cleaning) If 5 repeats do not help, contact Brother support, the print head may need to be replaced. (Unfortunately, this isn't the only reason for the problem. Once you put in a print head, it isn't returnable. It could be that the entire printer is ready for recycling.)
Found this on the web. Click on link below to print the entire manual out to keep. Below are steps to do cleaning. If you find this helpful pls rate me. Thanks and Good Luck. http://www.brother-usa.com/ModelDocuments/Consumer/Users%20Manual/UM_MFC_210C_420CN_EN_286.PDF How to improve print quality Cleaning the print head To ensure good print quality, the MFC will regularly clean the print head. You can start the cleaning process manually if needed.Clean the print head and ink cartridges if you get a horizontal line inthe text or graphics on your printed pages. You can clean Black onlyor three colors at a time (Cyan/Yellow/Magenta), or all four colors at once. Cleaning the print head consumes ink. Cleaning too often uses ink unnecessarily. Caution Do NOT touch the print head. Touching the print head may cause permanent damage and may void the print head’s warranty. 1 Press Ink. 2 Press ▲ or ▼ to select Cleaning. Press Menu/Set. 3 Press ▲ or ▼ to select Black, Color or All. Press Menu/Set. The MFC will clean the print head. When cleaning is finished,the MFC will go back to standby mode automatically.If you clean the print head at least five times and the print hasnot improved, call Brother Customer Service (see Brother numbers on page i). Checking the print quality If faded or streaked colors and text appears on your output, some of the nozzles may be clogged. You can check this by printing the Print Quality Check Sheet and looking at the nozzle check pattern. 1 Press Ink. 2 Press ▲ or ▼ to select Test Print. Press Menu/Set. 3 Press ▲ or ▼ to select Print Quality. Press Menu/Set. 4 Press Color Start. The MFC begins printing the Print Quality Check Sheet. 5 Check the sheet to see if the quality is OK by following these steps: Color block quality check The LCD shows: 6 Check the quality of the four color blocks on the sheet. 7 If all lines are clear and visible, press 1 (Yes), and go to Step 10. —OR— If you can see missing short lines as shown below, press 2 (No). The LCD will ask you if the print quality is OK for black and three colors. OK Poor Is Quality OK? 1.Yes 2.No Black OK? 1.Yes 2.N 8 Press 2 (No) for Black or three colors with a problem. The LCD shows: Press 1 (Yes). The MFC will start cleaning the print head. 9 After cleaning is finished, press Color Start. The MFC will start printing the Print Quality Check Sheet again and then return to step 5. 10 Press Stop/Exit.
Are you using genuine Brother color cartridges? If you are, then try different paper (20 pound laser printer paper or plain paper copier paper rather than inkjet paper,) Also, do not use recycled paper. If that does not work, you may need a new imaging (OPC belt) unit, or a new fuser assembly. Check your owners manual about when to replace the imaging unit or fuser. It is usually after 60, 000 prints have been run.
The Brother machine will not print if the message "Toner Empty X" ( X =C for Cyan, M for Magenta, Y for Yellow and K for Black) is displayed on the LCD. The empty toner(s) must be replaced in order to continue printing. Incoming faxes will be stored in the memory until the toner(s) is replaced.
I can't imagine where toner could possible go from one of these sort of cartridges except on to your paper, I had a customer once with the same request and I found on their letter head that they printed with it had a single band of yellow across it hence excess yellow use,,,,,, Do your print runs of anything contain dark bands/underlines? I guess check to see if white background in any prints has a blueish tinge to it, or possiblly somehow black is running out and it is printing the blacks by mixing the colours (Check black block and text to see if it is really black not heaps dark blue to ensure black toner is operating)
next I'd be questioning if cartridges where brother ones?