MFC-J775DW(XL)
FAQs & Troubleshooting |
Improve poor print quality.
Brother strongly recommends that customers use only genuine Brother ink for best results. Using non-Brother supplies may affect the hardware performance, print quality and machine reliability since the ink formulation in genuine Brother ink cartridges prevent smearing and clogging of the print head. The Brother limited warranty does not apply to any issue that was caused by the use of third party ink and/or cartridges.
> Click here for more information about Genuine Brother Supplies.
Cleaning the four color print heads (black, cyan, magenta and yellow) and/or adjusting the vertical alignment may improve the print quality. To determine if the alignment needs to be set and to identify which print heads need to be cleaned, print the Print Quality Check sheet and the Alignment Check sheet.
Below are instructions for improving the following:
- Horizontal lines in text or graphics
- Blank text
- Blurred or faded text and images
Follow the instructions that apply to your issue.
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If your printed pages have a horizontal line in the text or graphics (as shown in the illustration below) or blank text, some of the nozzles may be clogged and need to be cleaned. Go to Section 1 for instructions on how to print the Print Quality Check sheet and clean the clogged print head.
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If your printed pages have text that become blurred or images that become faded (as shown in the illustration below), you may need to adjust the print alignment. Go to Section 2 for instructions on how to print the Alignment Check sheet and adjust the print alignment.
Section 1: Checking the print quality and cleaning the print head
- Press Settings.
- Press the Up or Down arrow key to choose Ink/Maintenance, and then press OK.
- Press the Up or Down arrow key to choose Impr. PrintQuality, and then press OK.
- Press the Up or Down arrow key to choose Impr. PrintQuality again, and then press OK.
- Press Color (Colour) Start. The machine will start printing the Print Quality Check sheet.
- Check the quality of the four color blocks on the sheet.
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The the machine's display (hereinafter called LCD) asks about the print quality.
Do one of the following:- If all lines are clear and visible, choose No to finish the Print Quality check, and then press OK. Go to STEP 14.
- If lines are missing as shown below, choose Yes, and then press OK.
- The LCD asks you to check the print quality of each color. Following the instructions on the LCD and choose the pattern 1, 2, 3 or 4 that most closely matches the printing result, and then press OK
- If you choose 2, 3 or 4, the LCD prompts you to start cleaning. Press OK.
- After the cleaning procedure is finished, a message asking you to check the Print Quality appears. Choose Yes.
- Press Color (Colour) Start. The machine starts printing the Print Quality Check sheet again.
- Once it prints out, check the quality of the four color blocks on the sheet again.
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The LCD will asks about the print quality.
Do one of the following based on the print quality of the check sheet:- If all lines are clear and visible, choose No to finish the Print Quality check, and then press OK. Go to STEP 14.
- If the print quality continues to be poor, press Stop/Exit and contact Brother Customer Service from the "Contact Us".
Cleaning the print head consumes ink. If you do not see any improvement, contact Brother Customer Service from the "Contact Us".
- Press Stop/Exit.
Section 2: Checking the Print Alignment
- Press Settings.
- Press the Up or Down arrow key to choose Ink/Maintenance, and then press OK.
- Press the Up or Down arrow key to choose Impr. PrintQuality, and then press OK.
- Press the Up or Down arrow key to choose Alignment, and then press OK.
- Press OK.
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Press Black (Mono) Start or Color (Colour) Start.
The machine starts printing the Alignment Check Sheet.
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For the (A) pattern, choose the number of the test print that has the fewest visible vertical stripes (1-9), and then press OK
In the example above, row number 6 is the best choice. -
Repeat the previous step for the rest of the patterns.
When the print alignment is not adjusted correctly, text looks blurry or crooked, as shown in the illustration below.
After the print alignment is adjusted correctly, text looks as shown in the illustration below.
- Press Stop/Exit.
If the print quality continues to be poor, go to Section 1 to clean the print head.