Datalogic Gryphon I GM440 Series Product Reference Manual page 40

Setup
Recommended cleaners for standard plastics are:
Formula 409® glass and surface cleaner, dish soap and water, Windex®
Original (Blue).
Recommended cleaners for Health care plastics:
CaviWipes™, diluted Clorox® bleach,Hepacide Quat® II,Sani-Cloth®,Virex® II
256.
CAUTION
Cleaning electrical contact surfaces
Regular cleaning of electrical contacts is needed to guarantee a correct
recharging of the battery. Both scanner and cradle contacts should be
cleaned.
In case spills, smudges or debris accumulate on the cradle and/or the scan-
ner, proper operation could be affected and a periodical cleaning is recom-
mended as follows.
Avoid the use of brushes or any other hard tool to remove grime from elec-
trical contacts, since these may damage or scratch the contact's plating.
Scanner Contacts
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Do not use abrasive or aggressive cleansing agents or abrasive pads to
clean scan windows, contacts or plastics.
Do not spray or pour liquids directly onto the unit.
Be sure to turn off power and unplug the device from electrical outlet
before cleaning.
Be sure to dry up the device before powering it up.
Cleaner and liquids may be harsh on metal contacts. They are recom-
mended for use only on enclosures.
Use a soft dry cloth to clean the contact area and the plastic surface
around the contacts.
Be sure to remove dust, dirt and any cloth residue.
If the level of grime is significant, it is suggested the use of a soft white
or pink pencil eraser to gently rub the contacts. Motion can be along
both the green and yellow directions.
Gryphon™ I GD44XX/GBT4400/GM440X