Owner's Manual
Table Of Contents
- Top
- Safety and Legal
- Using the documentation
- Compilation and Publication
- Choosing a location
- To use the machine safely
- Regulation
- Standard telephone and FCC notices
- Federal Communications Commission (FCC) Declaration of Conformity (USA only)
- Industry Canada Compliance Statement (Canada only)
- EQUIPMENT ATTACHMENT LIMITATIONS (Canada only)
- For use in the USA or Canada only
- LAN connection
- International ENERGY STAR® Qualification Statement
- Trademarks
- Open Source Licensing Remarks
- Legal limitations for copying
- brother USA/CAN
- BASIC USER’S GUIDE MFC-J6910DW
- Brother numbers
- Ordering accessories and supplies
- Notice - Disclaimer of Warranties (USA and Canada)
- Compilation and Publication Notice
- User's Guides and where do I find it?
- Table of Contents
- 1 General information
- 2 Loading paper
- 3 Loading documents
- 4 Sending a fax
- 5 Receiving a fax
- 6 Telephone services and external devices
- 7 Dialing and storing numbers
- 8 Making copies
- 9 PhotoCapture Center™: Printing photos from a memory card or USB Flash memory drive
- 10 How to print from a computer
- 11 How to scan to a computer
- A Routine maintenance
- B Troubleshooting
- C Menu and features
- D Specifications
- Index
- brother USA/CAN
- ADVANCED USER’S GUIDE MFC-J6910DW
- User's Guides and where do I find it?
- Table of Contents
- 1 General setup
- 2 Security features
- 3 Sending a fax
- Additional sending options
- Additional sending operations
- Sending a duplex (2-sided) fax from the ADF
- Sending a fax manually
- Sending a fax at the end of a conversation
- Dual Access (Black & White only)
- Broadcasting (Black & White only)
- Real Time Transmission
- Overseas Mode
- Delayed Faxing (Black & White only)
- Delayed Batch Transmission (Black & White only)
- Checking and canceling waiting jobs
- Polling overview
- 4 Receiving a fax
- 5 Dialing and storing numbers
- 6 Printing reports
- 7 Making copies
- Copy settings
- 8 PhotoCapture Center™: Printing photos from a memory card or USB Flash memory drive
- 9 Printing photos from a camera
- A Routine maintenance
- B Glossary
- Index
- brother USA/CAN
- Safety and Legal

Routine maintenance
69
A
Checking the print quality A
If faded or streaked colors and text appear on
your printouts, some of the print head nozzles
may be clogged. You can check this by
printing the Print Quality Check Sheet and
looking at the nozzle check pattern.
a Press .
b Press Test Print.
c Press Print Quality.
d Press Color Start.
The machine begins printing the Print
Quality Check Sheet.
e Check the quality of the four color blocks
on the sheet.
f The LCD asks you if the print quality is
OK.
Do one of the following:
If all lines are clear and visible, press
Yes to finish the Print Quality check
and go to step j.
If you can see missing short lines as
shown below, press No.
g The LCD asks you if the print quality is
OK for black and the three colors.
Press Yes or No.
h The LCD asks you if you want to start
cleaning.
Press Color Start.
The machine starts cleaning the print
head.
i After cleaning is finished, press
Color Start.
The machine starts printing the Print
Quality Check Sheet again and then
return to step e.
j Press Stop/Exit.
If you repeat this procedure at least five
times and the print quality is still poor,
replace the ink cartridge for the clogged
color.
After replacing the ink cartridge, check
the print quality. If the problem still
exists, repeat the cleaning and test print
procedures at least five times for the
new ink cartridge. If ink is still missing,
call Brother Customer Service. (See
Brother numbers on page i.)
IMPORTANT
DO NOT touch the print head. Touching
the print head may cause permanent
damage and may void the print head's
warranty.
Note
OK Poor
i
When a print head
nozzle is clogged
the printed
sample looks like
this.
After the print
head nozzle is
cleaned, the
horizontal lines
are gone.










