Samsung Printer Scanner How Can I Clean Scanner Bar In ML-1740 Samsung Printer?

How can I clean scanner bar in ML-1740 Samsung printer? - samsung printer scanner

What is the scan bar?
The axis moves the lamp of the car?
or the image sensor - CCD assy?

To clean the shaft --
Remove the glass.
To move Spray WD40 (spray or similar) in the transport corridor his hand gently four or five times. Dry-cleaning lint-free cloth. Repeat the entire procedure five times.

To clean the image sensor (CCD) --
Remove the protective cover.
Remove any lens - most importantly - everything changes the position of one tenth of a millimeter of his team could be irreparable. Clean CCD with a lint-free and flat water. Dry. Replace All.