Advent Touch Print All-in-One Printer - Cleaning Scanner Glass and Backing

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ADVENT Touch Print All-in-One Printer
Cleaning the scanner glass and document backing
The scanner glass can get smudged and minor debris can accumulate on the
document backing under the scanner lid. Periodically clean the scanner glass and
document backing.
CAUTION:
Do not use harsh or abrasive cleaners on any part of the printer. 
Do not spray liquid directly onto the glass.
Do not use paper-based wipes on the document backing as they can scratch it.
1. Turn off the printer and unplug it from the power outlet.
2. Lift the scanner lid. 
Document backing
Scanner glass