Clear communication buffer when sending load filament command to MMU.
This fixes PFW-517 in the moment, when the problem with not displaying "Loading filament 1" to "Loading filament 5" has appeared for the first time.
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@ -480,7 +480,7 @@ void extr_adj(int extruder) //loading filament for SNMM
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{
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{
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#ifndef SNMM
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#ifndef SNMM
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printf_P(PSTR("L%d \n"),extruder);
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printf_P(PSTR("L%d \n"),extruder);
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fprintf_P(uart2io, PSTR("L%d\n"), extruder);
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mmu_printf_P(PSTR("L%d\n"), extruder);
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//show which filament is currently loaded
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//show which filament is currently loaded
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