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2025-08-06 17:36:36 -05:00
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README.md
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@@ -9,7 +9,7 @@ How to identify the problem
2. Connect a Dymo 400 Twin Turbo printer to the system with USB
3. Stop logging USB packets after a minute
4. Review packet data and notice a packet received from the device has a malformed string
- The packet will be a GET DESCRIPTOR Response STRING with bLength: 30, bDescriptorType: 0x03 (String), and malformed bString: [malformed]
- The packet will be a GET DESCRIPTOR Response STRING with bLength: 30, bDescriptorType: 0x03 (String), and malformed bString: `〰㘀㄀　㌀　㄀　㄀㘀㄀㔀㜀㔀`
5. In terminal, `lsusb -v -d 0922:0018`
6. Notice the gibberish value in the iSerial field.
7. When setting up the printer, notice the device URI is `usb://DYMO/LabelWriter%20Twin%20Turbo?serial=??????????????`