
Chapter 8 Maintenance
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Timing chart
ACKNLG “Low” shows that the printer requests the computer to send data. BUSY “High” shows that
the printer cannot receive data and BUSY “Low” shows that the printer now can receive data from the
computer.
STROBE
Min 750ns
Min 750ns Min 750ns
2.5ms(typ.)
BUSY
CKNL
DAT
Max 500ns