Riso mz1070e serious issue

[ManuelP]

errores.jpg - Google Drive
*T98 129 also happened before this problem, maybe it doesn't mean nothing)
errores.jpg
Right now, we don't know what else to do, so we are trying to contact/annoy everyone who could help us to get it repaired. We readabout some drum position sensors ("Bracket; B Position Sensor" & "Sensor; LG-248Nl1") but we do not know if they are damaged or how to check it. Curiously, all this happened when we were creating a master for the first drum. And it is also curious that the master making unit has three of those sensors.


Thank you so much!!

[jermyth]

Re: Riso mz1070e serious issue

First have you tried turning it on with the front door open? Do the drums spin then? Also I'd try the reset all start up, Hold the reset button while turning on the machine and continue holding until machine completes boot up. Might have to do that with the front door open. If that don't help then either get a certified Riso tech to come out or invest in a service manual and start reading. Having never seen anything like this before, it could be a blown board. I doubt a sensor would make both drums spin at power up.

Good luck.

[ManuelP]

Re: Riso mz1070e serious issue

Jermyth, thanks for your help!

Update with new info: it's the MAIN PCB. I'll upload some pictures.

Those are MAIN PCB (biggest one), EXTENSION PCB (little one over main PCB) and CONEXION PCB (usb, ethernet...):
WhatsApp Image 2021-10-05 at 12.51.40.jpg

And here it is the "Heart/Error" red led of the MAIN PCB
WhatsApp Image 2021-10-05 at 11.43.392.jpg

Red arrow shows serial number for MAIN PCB
WhatsApp Image 2021-10-05 at 12.02.44.jpg

One of those:
047-50500-108
047-75500-056

Until now, I only found for sale at this website
MCTL PCBII-2MH, SU (047-75500)

I keep investigating, but I will appreciate any advice for shops selling this items.





Thanks!