Scanner Interface
(2)When document size detection function is used
RELEASE UNIT |
| Release reserved status |
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Initiator | Target | |
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RESERVE UNIT |
| Move to reserved status |
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OBJECT POSITION |
| Load document from ADF |
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Read command |
| Report document size |
(document size request) |
| (Horizontal scanning direction is effective) |
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SET WINDOW |
| ∙ Set window parameters |
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| ∙ Calculate the number of scan lines covering all |
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| windows set up, in terms of lines effective after |
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| magnification change |
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SET SUBWINDOW |
| Set subwindow parameters |
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(If setting subwindows is required) |
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SEND |
| Dither pattern download |
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(Only if required) |
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SCAN (M3093DG only) |
| Set simplex or duplex reading |
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READ command sequence |
| Start scan and transfer |
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See Section (3) for Read command sequence.
(OBJECT POSITION) 
Unload document from ADF
(Not required if ADF is not used)
(Not required if ADF is used, because document is unloaded automatically.)
RELEASE UNIT 
Release reserved status
Appendix