User Manual
Table Of Contents
- USER’S GUIDE MFC-790CW
- Approval Information and Compilation and Publication Notice
- Table of Contents
- Section I General
- 1 General Information
- 2 Loading paper and documents
- 3 General setup
- 4 Security features
- Section II Fax
- 5 Sending a Fax
- Entering Fax mode
- Broadcasting (Monochrome only)
- Additional sending operations
- Sending faxes using multiple settings
- Contrast
- Changing fax resolution
- Dual access (Monochrome only)
- Real time transmission
- Overseas Mode
- Delayed Faxing (Monochrome only)
- Delayed Batch Transmission (Monochrome only)
- Checking and cancelling waiting jobs
- Setting your changes as a new default
- Restoring all settings to the factory settings
- Sending a fax manually
- Sending a fax at the end of a conversation
- Out of Memory message
- 6 Receiving a Fax
- 7 Telephone and External devices
- 8 Dialling and storing numbers
- 9 Digital TAD
- 10 Printing Reports
- 11 Polling
- 5 Sending a Fax
- Section III Copy
- Section IV Direct Photo Printing
- Section V Software
- Section VI Appendixes
- A Safety and Legal
- B Troubleshooting and Routine Maintenance
- Troubleshooting
- Error and Maintenance messages
- Routine maintenance
- Replacing the ink cartridges
- Cleaning the outside of the machine
- Cleaning the scanner glass
- Cleaning the machine’s printer platen
- Cleaning the paper pick-up roller
- Cleaning the print head
- Checking the print quality
- Checking the print alignment
- Checking the ink volume
- Uninstalling and installing the handset and handset cradle
- Machine Information
- Packing and shipping the machine
- C Menu and Features
- D Specifications
- E Glossary
- Index
- brother CHN-ENG
152
Cleaning the paper pick-up
roller B
a Pull the paper tray completely out of the
machine.
b Unplug the machine from the electrical
socket and open the Jam Clear
Cover (1) at the back of the machine.
c Clean the Paper Pick-up Roller (1) with
isopropyl alcohol on a cotton swab.
d Close the Jam Clear Cover.
Make sure the cover is closed correctly.
e Put the paper tray firmly back in the
machine.
f Re-connect the power cord.
Cleaning the print head B
To maintain print quality, the machine will
automatically clean the print head. You can
start the cleaning process manually if there is
a print quality problem.
Clean the print head and ink cartridges if you
get a horizontal line or blank text in the text or
graphics on your printed pages. You can
clean Black only, 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.
a Press .
b Press Cleaning.
c Press Black, Color or All.
The machine cleans the print head.
When cleaning is finished, the machine
will go back to the Ready screen
automatically.
Note
If you clean the print head at least five
times and the print has not improved, try
installing a new Brother original
Innobella™ replacement cartridge for
each problem color. Try cleaning the print
head again up to five more times. If the
print has not improved call your Brother
dealer.
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