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6.8 PRINT QUALITY SW does not work.
• When SWC3 of IC1 is set to “L”, is SWI1 set to “L” by pressing PRINT QUALITY SW?
• No Replace PRINT QUALITY SW.
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• Yes Replace IC1 or Q501 of the Driver board?
6-9 CHARACTER PITCH SW does not work.
• When SWC1 of IC1 is set to “L”, is SWI3 set to “L” by pressing CHARACTER PITCH SW?
• No Replace CHARACTER PITCH SW.
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• Yes Replace IC1 or Q501 of the Driver board.
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