| Symptom | Cause | Solution | 
| Cannot print using the infrared | A connection between the two | • Make sure the distance between | 
| port on the optional | infrared devices cannot be made. | the two infrared ports is 3 m (10 | 
| 
 | ft) or less. If necessary, move the | |
| 
 | 
 | ports closer together. | 
| 
 | 
 | • Make sure no objects are | 
| 
 | 
 | between the two ports. | 
| 
 | 
 | • Make sure the computer is set on | 
| 
 | 
 | a level surface. | 
| 
 | 
 | • If necessary, turn off the lights in | 
| 
 | 
 | the room or close window | 
| 
 | 
 | shades or blinds. Bright light, | 
| 
 | 
 | such as direct sunshine or | 
| 
 | 
 | nearby artificial lights, may | 
| 
 | 
 | interfere with communication. | 
| 
 | 
 | 
 | 
| Cannot print using the LocalTalk | The LocalTalk port is not set up | • Make sure neither LocalTalk | 
| port. | correctly. | Port nor LocalTalk Buffer is set | 
| 
 | 
 | to Disabled in the LocalTalk | 
| 
 | 
 | Menu. | 
| 
 | 
 | • Verify that the printer is set up | 
| 
 | 
 | correctly in the Macintosh | 
| 
 | 
 | Chooser. | 
| 
 | 
 | • If two  | 
| 
 | 
 | installed, only one LocalTalk and | 
| 
 | 
 | one infrared port works. The Tri- | 
| 
 | 
 | Port Adapter installed in | 
| 
 | 
 | connector slot 1 is active. | 
| 
 | 
 | 
 | 
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