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@@ -2,27 +2,27 @@
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## Reasons
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-_Brother MFC-J430W has already scanner driver and you can download [here](https://support.brother.com/g/b/downloadtop.aspx?c=it&lang=it&prod=mfcj430w_all)_ **but that are prebuilt binary (x86/x64) and source code isn't public**. My problem was that I wanted use scanner in my RPi4 but **those driver not works on ARM architecture**. In the end I solved this issue throught workaround using a vps... recently I resumed the project and I found a solution (partially thanks to [this](https://github.com/davidar/mfc7400c/)) and imho I think this is better than any workaround. I think that this should work on every scanner that use **brscan4**
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+_Brother MFC-J430W has already scanner driver and you can download [here](https://support.brother.com/g/b/downloadtop.aspx?c=it&lang=it&prod=mfcj430w_all)_ **but that are prebuilt binary (x86/x64) and source code isn't public**. My problem was that I wanted use scanner in my RPi4 but **those driver not works on ARM architecture**. In the end I solved this issue throught workaround using a vps... recently I resumed the project and I found a solution (partially thanks to [this](https://github.com/davidar/mfc7400c/)) and imho I think this is better than any workaround. I think that this should work on every scanner that use `brscan4`
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## Scanner protocol
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-### Status code
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+### Status codes
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When we open a connection with the scanner on port 54921, it respond with his status code:
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-- **+OK 200**: Ready to use
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-- **-401**: Scanner is busy
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+- `-401`: Scanner is busy
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+- `+OK 200`: Ready to use
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-### Leasing
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+### Lease
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Now we can send a request that specify resolution and color mode, then scanner send to client a offer based on request.
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Request:
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```go
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-request := []byte(fmt.Sprintf("\x1bI\nR=300,300\nM=GRAY64\n\x80", resolution, resolution, mode))
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+request := []byte(fmt.Sprintf("\x1bI\nR=%d,%d\nM=%s\n\x80", resolution, resolution, mode))
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sendPacket(socket, request)
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```
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@@ -41,7 +41,7 @@ Response:
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- **CGRAY**: color image
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Resolution are **100, 150, 300, 600, 1200, 2400**.
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-I called this part `leasing` because it recalled me _DHCP leasing_
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+I called this part `leasing` because it recalled me _DHCP lease_
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### Automatic document feeder
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v0lp3