![background image](http://html1.mh-extra.com/html/bluebird/ct280/ct280_user-manual_2777341018.webp)
16 Maintenance
Maintenance
This terminal contains no user serviceable parts. Do not attempt to disassemble the ter-
minal under any circumstance. Perform only those adjustments or repairs specified in this
guide. For all other services, contact the local service representative. Service conducted
by parties other than authorized service representatives.
CAUTION
Using an incorrect power supply may damage the terminal or cause it not to work as
specified. Use only the supplied power adapter.
Cleaning the Body
Use a clean cloth slightly dampened with a solution of water and mild soap. For stubborn
stains, use alcohol or an alcohol-based cleaner.
Gently swab the contacts with alcohol or a contact cleaner to remove the dirt. The ex-
posed contact of the terminal should stay clean and unbent.
CAUTION
Never use thinner, trichloroethylene, or ketone-based solvents. These may cause dete-
rioration of plastic or rubber parts. Do not spray cleaners or other solutions directly onto
the keypad or the display.
Cleaning the Smart Card Reader
Do not attempt to clean the smart card reader. Doing so may void the warranty. For a
service of the smart card reader, contact the local service representative.