Brother DCP 120C User Manual

TROUBLESHOOTING AND ROUTINE MAINTENANCE   6 - 9
Software Difficulties 
Cannot install software or print Run the Repair MFL-Pro Suite program on the CD-ROM. This program 
will repair and reinstall the software.
‘Device Busy’ Make sure the machine is not showing an error message on the LCD.
PhotoCapture Center
™ Difficulties
Removable Disk does not 
work properly. a) Have you installed the Windows
® 2000 update?
If not, do the following:
1. Disconnect the USB cable.
2. Install the Windows
® 2000 update....

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How to change LCD language
You can change the LCD language.
1Press Menu.
2Press   or   to select  0.Initial Setup.
Press 
Set.
3Press   or   to select  0.Local Language.
Press 
Set.
4Press   or   to select your language.
Press 
Set.
5Press Stop/Exit.
How to improve the LCD viewing
You can adjust the LCD contrast for a sharper and more vivid 
display. If you are having difficulty seeing the LCD from your position, 
try to change the contrast settings for...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   6 - 11
How to improve print quality
Cleaning the print head
To ensure good print quality, the machine 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 in 
the text or graphics on your printed pages. You can clean Black only 
or three colors at a time (Cyan/Yellow/Magenta), or all four colors at 
once.
Cleaning the print head consumes ink. Cleaning too...

6 - 12   TROUBLESHOOTING AND ROUTINE MAINTENANCE
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.
1Press  (Ink ).
2Press   or   to select  Test Print.
Press 
Set.
3Press   or   to select  Print Quality.
Press 
Set.
4Press Color Start.
The machine begins printing the Print Quality Check Sheet.
5Follow the instructions given on...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   6 - 13
8Press  (No ) for black or three 
colors with a problem.
The LCD shows:
Press 
 ( Yes ). The machine will start cleaning the print head.
9After cleaning is finished, press Color Start. The machine will 
start printing the Print Quality Check Sheet again and then 
return to Step 5.
10Press Stop/Exit.
If you still see missing ink in this Print Quality Check Sheet, repeat 
the cleaning and test print procedures at least five times. If ink is still 
missing...

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Checking the printing alignment
You should rarely need to adjust the printing alignment however, if 
after transporting the machine your printed text becomes blurred or 
images become faded then adjustment may need to be made.
1Press  (Ink ).
2Press   or   to select  Test Print.
Press 
Set.
3Press   or   to select  Alignment.
Press 
Set.
4Press Black Start or Color Start.
The machine begins printing the Alignment Check Sheet.
The LCD shows:
5Check the 600...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   6 - 15
Checking the ink volume
You can check the ink that is left in the cartridge.
1Press  (Ink ).
2Press   or   to select 
Ink Volume .
Press 
Set.
3Press   or   to select the color you want to check.
The LCD shows the ink volume.
4Press Stop/Exit.
You can check the ink volume from your computer. (For 
Windows® users, see  Status Monitor  on page 1-3 in Software 
User’s Guide on the CD-ROM and for Macintosh®  users, see 
Status Monitor  on page 8-2 in Software...

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Packing and shippi ng the machine
Whenever you transport the machine, use the packing materials that 
came with your machine. If you do not pack the machine properly, 
you could void your warranty.
Caution
It is important to allow the machine to ‘park’ the print head after a 
print job. Listen carefully to the machine before disconnecting it from 
the power source to ensure that all mechanical noise has stopped. 
Not allowing the machine to complete this...

TROUBLESHOOTING AND ROUTINE MAINTENANCE   6 - 17
3Lift the scanner cover to release the lock. Gently push the 
scanner cover support down and close the scanner cover.
4Unplug the machine from the AC power outlet.
5Unplug the USB cable from the machine, if it is connected.
6Wrap the machine in the bag and place it in the original carton 
with the original packing material.
 

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7Pack the printed materials in the original carton as shown below. 
Do not pack the used ink cartridges in the carton.
8Close the carton.