Question about Lexmark T640 Laser Printer
Most of the time it's an option that's causing the problem, i.e. output option, tray 2, tray 3, etc. Remove all options then power cycle the printer. If error disappears, reinstall the options one at a time. If all else fails, issue might be with the system board which requires a service call.
Posted on Aug 27, 2010
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Posted on Jan 02, 2017
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