Section 5: Interface Specifications
5.13 DRIVER PROTOCOL (CONT’D)
Timing Chart — Normal Processing
P ower O N |
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| Receiving buffer near full | Receiving buffer near full cleared | P ressing S tart / S top | |||
P rinter side |
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Initial | E NQ | S TX · · E TX (1) | S T X · · E T X (2) | S TX · · E TX (3) |
| E NQ | E NQ | S T X · · E T X (4) |
RD |
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S D | S tatus | A CK |
| A CK | A C K | S tatus | S tatus | A C |
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P rinter status | O nline |
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R ec eive , a na ly ze , ed it (1) | R ec eive , a nalyz e, edit (2) |
R ec eive , a nalyz e, edit (4)
P rint (1) | P rint (3) |
Timing Chart — Cancel Processing
P ower ON |
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P rinter side |
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E N Q | S T X · · E TX (1) | S T X · · E T X (2) | CA N | E N Q | S TX · · E T X (3) | E N |
RD |
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S tatus | A C K | A CK | A CK | S tatus | A CK |
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S D |
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P rinter status |
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| O nline |
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| Receive, analyze, edit (1) | Receive, analyze, edit (2) |
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| R eceive, analyze, edit (3) |
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| P rint (1) |
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| P |
GT Series Operator’s Manual | Page |
