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Maintenance
Clean the
Terminal
CAUTION
Terminal
Contacts
CAUTION
Smart Card
Reader
The VX 520 3G terminal has no user-maintainable parts.
To clean the terminal, use a clean cloth slightly dampened with water and a drop
or two of mild soap. For stubborn stains, use alcohol or an alcohol-based cleaner.
Never use thinner, trichloroethylene, or ketone-based solvents – they may cause
deterioration of plastic or rubber parts.
Do not spray cleaners or other solutions directly onto the keypad or terminal
display.
Gently swab the contacts with alcohol or contact cleaner to remove the dirt. It is
important that the exposed contacts of the VX 520 3G terminal stay clean and
unbent.
Avoid touching the contacts of the terminal. Finger oils tarnish contacts, causing
bad connections. When experiencing a high occurrence of bad or incomplete
data transfers, clean the contacts.
Do not attempt to clean the smart card reader. Doing so may void any warranty.
For smart card reader service, contact your VeriFone distributor or service
provider.
C
HAPTER
VX 520 3G I
G
NSTALLATION
UIDE
4
35
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