14 - 2 3800/3900 User’s GuideReplacing the Interface CableThe standard interface cable is attached to the scanner with an 10-pin modularconnector. When properly seated, the connector is held in the 3800 scanner’shandle by a flexible retention tab. The 3900 connector is located in the pod atthe end of the 3900 cable. The interface cable is designed to be fieldreplaceable.• •Order replacement cables from Hand Held Products or from an authorizeddistributor.• •When ordering a replacement cable, specify the cable part number of theoriginal interface cable.To Replace the Interface Cable:1. Turn the power to the host systemOFF.2. Disconnect the scanner’s cable fromthe terminal or computer.3. Locate the small hole on the side ofthe scanner’s handle (3800), or on theunderside of the connector pod(3900). This is the cable release.4. Straighten one end of a paper clip.5. Insert the end of the paper clip into thesmall hole and press in. Thisdepresses the retention tab, releasingthe connector. Pull the connector outwhile maintaining pressure on thepaper clip, then remove the paper clip.6. Replace with the new cable.Insert the connector into the openingand press firmly. The connector iskeyed to go in only one way, and willclick into place.TroubleshootingThe scanner automatically performs self-tests whenever you turn it on. If yourscanner is not functioning properly, review the following Troubleshooting Guideto try to isolate the problem.Is the power on? Is the red illumination beam on?If the red illumination beam isn’t illuminated, check that:1. The cable is connected properly.CableRelease
