Need dump for 58mm Thermal Printer

[прямо]

Hi all,

a friend gave me this printer because it's no longer working.

It powers on, but won't do a self-test print and when connected via USB to Windows, Device Manager says No Printer Attached under USB Hubs tree.

The red light doesn't blink either with no paper inside.

I think the firmware maybe corrupted. If someone has a similar printer and can provide a firmware dump, I really appreciate it.

Printer model: Panda PRJ-58U
Flash memory: Boyamicro BY25D16ASSIG

[прямо]

Nevermind, turns out it's a faulty paper sensor. I covered it with a white paper tape, and it can now do a self-test print.

[stj]

thats a bit shit, it should still identify over usb.
ideally and send a paper alarm!

[прямо]

thats a bit shit, it should still identify over usb.
ideally and send a paper alarm!

Hahaha. It works though and the print result is still great, it'll be very useful in printing receipts when doing business, and because I also got it for free, no complaint from me

[stj]

free is the best price

[harp]

If I am not wrong, Sorin just make video with simmilar printer
https://m.youtube.com/watch?v=ufwOl-YBplk

Just idea for you, why not upload here working firmware anyway to have it if is needed in future...

[прямо]

I will have to desolder the flash memory chip to dump and upload the firmware here. I used to have the plastic clip on but it's very low quality and after a few tries with Winbond chips on a Lenovo board (bad idea), it got destroyed.

[harp]

Check this method for saveing from wear soic8 clamp before first use... you must understand principe why is geting destroyed, and do upgrade in your aproach

https://m.youtube.com/watch?v=SrAzVT1OKEA

https://www.badcaps.net/forum/troubl...sop8-apparatus

[прямо]

That's exactly why it got destroyed, because the Winbond chips on that particular Lenovo board have a slightly wider body than a normal SOIC-8