E
355 I
NSTALLATION
G
UIDE
25
V
E R
I
F
O
N E
C
O
N F
I D
E N
T I
A
L
R
EVIS
IO
N
A
.6
C
HAPTER
4
Maintenance
The e355 device has no user-maintainable parts.
Cleaning the
Device
To clean the device, 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.
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 device
display.