167
Cleaning the Print Head Path
If the print quality has not improved after cleaning and aligning the print head and cleaning the paper
path, the print head path inside the printer may be smeared with ink.
To clean the print head path, use the following:
• Several cotton swabs
• ¼ cup (59 ml) water containing 2 to 3 drops of mild dish detergent
• A small flashlight
Caution:
Do not use any other liquid to clean the print head path or you may damage your product.
1.
Turn off the product.
2.
Unplug the power cable.
3.
Disconnect any connected cables.
4.
Lift up the scanner unit.
Summary of Contents for ET-3750 series
Page 1: ...ET 3750 User s Guide ...
Page 2: ......
Page 21: ...21 Product Parts Inside 1 Document cover 2 Scanner glass 3 Control panel ...
Page 55: ...55 2 Pull out the paper cassette until it stops 3 Slide the edge guides outward ...
Page 147: ...147 3 Open the ink tank cover then open the cap for the ink tank you are going to fill ...