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Old 1st Dec 2019, 12:18 pm   #2
hysteresis
Tetrode
 
Join Date: Feb 2007
Location: Liverpool, Merseyside, UK.
Posts: 98
Default Re: Issue with an old Star LC-10 dot matrix printer

The "Repair by Replacement of Parts" section of the Technical Manual appears to provide a useful troubleshooting guide. For example, the flowchart on Page -61- covers some standard checks: Power rails (24V and 5V), processor /RESET line, crystal waveform and ROM /OE line.
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