Samsung SCX-1100 Service Manual page 25

PRINT CCD PATTERN
It is used to adjust the light of CCD. It is already set at
CCD Test to get optimum quality.
NOTICE
When you test CCD, make sure that the cover is
closed.
1. Press the SETUP button until "Print CCD Pattern" is
displayed in LCD.
2. Press the START button when the CCD Test operation
menu displayed.
3. After scanner calibrating, wave form will be automatical-
ly printed out.
All the wave forms should be similar each other. CCD
problems may occur, if:
• More than one of the wave forms are straight lines.
• All wave forms are positioned under the center line.
MEMORY ALL CLEAR
Initiating this function will put the system into the factory
shipping state. The procedure is as follows :
1. Unplug power
2. Press and hold " SETUP" button
3. Plug power in
4. Continue holding " SETUP" button until CLEARING
MEMORY message appears on LCD
5. Unplug power
Samsung Electronics
WHITE LINES ON LETTERS OR GRAPHICS
• Cause
If nozzles in print head has a problem, white lines are
marked on the print.
'CARTRIDGE MAINTENANCE' will let you know if noz-
zles have fallen problems.
• Solution
1
) Run 'print control panel' to "clean print nozzles" and check if
nozzles have been blocked.
2) Wipe with soft cloth the contact surfaces of ink cartridge and car-
riage, and check if nozzles have been cleaned properly.
3) Separate ink cartridge from carriage and combine them.
Repeat it about 5 to 6 times and check if connection is proper.
4) Replace ink cartridge and check whether there's a problem
with the head.
5) Check if head cable is inserted well into the main circuit board
and then check if nozzles have problems.
6) Check if head cable is broken or torn and then check if nozzles
have problems.
7) Replace the main circuit board with a new one and
check if nozzles have problems.
If this line is broken, it confirms that nozzles
have problems.
Troubleshooting
4-3