Cleaning The Scanner - Hitachi HT-4139-28 Maintenance Manual

3.3 Cleaning the Scanner

Use fresh cleaners (ex. Gauze, Cotton Swab). The use of dirty cleaners may damage the scanner.
Please take caution when cleaning the Reader Area (Lower Mirror, Cover Glass, Cover Sheet)
The alcohol level of the Ethanol must be 99.5%
3.3.1 Cleaning the Lower Mirror (Front), the Cover Sheet (Front)
① Use gauze to wipe the Lower Mirror (Front), and the Cover Sheet
② Remove the Cover Sheet from the device as shown in ②. Clean the debris or paper scraps in the inside of
the device.
Lower Mirror (Surface)
③ Removing the Cover Sheet: Slide the Cover Sheet to the right and pull the Cover Sheet down.
To attach the Cover Sheet, slide it back to the left.
(If the Cover Sheet is attached incorrectly, the fluorescent light could get damaged.
* If there are any damages, chips, cracks, discolorations, scraps on the clear sheet, replace it.
CAUTION CAUTION CAUTION CAUTION
Only use Ethanol.
Remove debris and paper scraps in the
Side view of the Cover Sheet (from the left side)
Clear Sheet
Cover Sheet
Cover Sheet
Lower Mirror
(Cross-section view from the left)
REV0 10.02.15
Cover Sheet (Surface)
area
Send Paper
-H3-4-