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OMNI 5XXX AND V
X
5XX/V
X
6XX INSTALLATION GUIDE 37
CHAPTER 4
Maintenance
The V
x
5xx/V
x
6xx has no user-maintainable parts.
Clean the
Terminal
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.
Terminal
Contacts
Gently swab the contacts with alcohol or contact cleaner to remove the dirt. It is
important that the exposed contacts of the V
x
6xx battery stay clean and unbent.
Smart Card
Reader
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.
CAUTION
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.
CAUTION
Avoid touching the contacts in the raised area in the center of the V
x
6xx battery
and the recessed area on the terminal. Finger oils tarnish contacts, causing bad
connections. When operating on battery power and experiencing a high
occurrence of bad or incomplete data transfers, clean the contacts.