ACK Timing
BEF and AFT: ACK leading edge occurs before trailing edge of BUSY. ACK trailing edge occurs after trailing edge of BUSY.
AFT: ACK leading and trailing edges occur after trailing edge of BUSY.
DUR: ACK leading edge occurs before and trailing edge occurs at trailing edge of BUSY.
PAR: ACK TIMING | ENTER |
PAR:ACK TIME>BEF | ↓ |
PAR:ACK TIME:AFT | ↓ |
PAR:ACK TIME:DUR | ↓ |
STROBE Polarity |
|
+: Printer latches data on rising edge of strobe signal.
PAR: STRB POLARIT | ENTER |
PAR:STROBE POL>- | ↓ |
PAR:STROBE POL:+ | ↓ |
FAULT Polarity |
|
+: When a printer fault exists, the FAULT signal is high.
PAR: FLT POLARITY | ENTER |
PAR:FAULT POL>- | ↓ |
PAR:FAULT POL:+ | ↓ |
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