Micro-26 (140-1043) Troubleshooting Faxback Doc. # 7737 When you cannot load a microcassette: Check to see if the cassette is inserted correctly. When a tape does not run: Check to see if the batteries are weak. Check to batteries' polarity. Check the AC or DC adapter connections. Check the multi-function switch. When the sound level is unstable or low: Check to see if the batteries are weak. Check to see if the head and/or pinch roller is dirty. Check the VOLUME control. When the previously recorded material is not erased completely: The erase head is dirty. When the unit works with the built-in microphone, but won't work with external microphone(s): Make sure the microphone(s) are self-powered (i.e. they have either a battery or a power cord). This recorder does NOT provide power to the microphone jack. (ALL/tlc-03/27/95)