JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation 2 - 8 Section 2 World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Installation/Operation Cleaning/Preventive Maintenance It is important to keep the bill path, rollers, and belts clean . To clean the lenses, use a lint - free cloth and a mild non - abrasive detergent such as liquid dish soap mixed with water . Use a soft lint - free cloth or a cotton swab to wipe dirt and stains from the surfaces of the magnetic and optical sensors, rollers and belts (See Figure 2 - 15) . The sensor lenses are transparent, and made of a polymer material . Handle them with care . Repeat the cleaning process as needed until the Transport path is free of contaminants . Available Cleaning Card A second generation JCM Waffletechnology Bill Validator Cleaning Card is now available (JCM Part No . 501 - 000141R ) (Manufacturer’s Part No . KWJCM - B2B15M) . The cleaning card is designed to be used as a supplemental part of a Preventive Maintenance program to help in reducing dirt and paper dust build - up within a unit . This will optimize performance between regular Preventive Maintenance intervals . This is the only cleaning card authorized for use on the WBA Gaming Validator ( See Figure 2 - 16) . C ARD F EATURES   A unique Waffletechnology design that hugs all surfaces to insure complete surface cleaning   Specially designed scrubber patterns insure that belts and O - ring rollers are cleaned and lubricated to prevent them from drying out . D IRECTIONS F OR U SE 1 . Remove cleaning card from pouch and insert it into the Bill Validator . 2 . The cleaning card will be accepted and then automatically rejected . 3 . Repeat this process several times to ensure debris build - up removal . 4 . Insert and HOLD cleaning card while the Validator pulls on it to ensure proper belt cleaning . 5 . Dispose of used card in an environmentally safe manner . For more information and a list of Authorized Waffletechnology Distributors visit: http://www . jcmwaffletechnology . com . Figure 2 - 14 Clearing a Cash Box Inlet Bill Jam a b c Figure 2 - 15 Cleaning the WBA Bill Path WARNING: Do not use alcohol, thinner or citrus based products for cleaning any surfaces . Important: After wiping lenses, inspect them to ensure they are still flush with the bill path . Figure 2 - 16 JCM Waffletechnology Cleaning Card Cleaning Card Pouch New Cleaning Card