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valdemarpr
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Member

C8035 Boot loop after power surge

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Operating System: macOS 10.14 - Mojave

Hi, My printer get stuck in xerox bluescreen while trying to boot after a power surge happened, I tried to recover it via USB Altboot/DLM forced_upgrade with a Altboot DLM but it doesn't boot either.

 

I've checked EWS and it starts and stops in "u", sometimes it stops with a blinking dot.

 

What can I do?

 

Thanks for your help

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13 Replies
gabiene
Valued Advisor
Valued Advisor

Re: C8035 Boot loop after power surge

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Hi,

Try another USB thumb drive and with FORCED_UPGRADE (write like this with caps).

 

Gabi

valdemarpr
Member
Member

Re: C8035 Boot loop after power surge

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Hi, thanks for your advise, I've made what you suggested, I've used a usb stick with a led on it.

USB Stick with folder

 

ALTBOOT/

(file).DLM

FORCED_UPGRADE

----------------

1. POWER ON SWITCH.

2. POWER ON DEVICE 

3. SYSTEM starts booting with blue screen "Please wait... the system is powewring up"

4 . POST happens, ADF and motor checks,

5. System displays animated boot. and shows Altalink c8035

6. display shuts down and power on again, 

7.display shows animated boot with blue led blinking

8. system power off and sounds chime.

9. cycle repeats 3 to 5 times until it get stuck on xerox blue screen with red led blinking.

 

EWS displays "n" with blinking dot.

 

 

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gabiene
Valued Advisor
Valued Advisor

Re: C8035 Boot loop after power surge

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What dimension in MB have the DLM. file? "n" could be a defective SD card.

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valdemarpr
Member
Member

Re: C8035 Boot loop after power surge

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Hi, I've downloaded from here:

https://www.support.xerox.com/en-us/product/altalink-c8000-series/content/146477

zip file size 496,1 Mb

 

 

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gabiene
Valued Advisor
Valued Advisor

Re: C8035 Boot loop after power surge

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In this case the SD card is really defective (corrupted).

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valdemarpr
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Member

Re: C8035 Boot loop after power surge

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Understood, any place or link where I can download a copy of it?

 

Thanks in advance.

 

 

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gabiene
Valued Advisor
Valued Advisor

Re: C8035 Boot loop after power surge

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Check to buy the part no. 237E28156 for SD card.

valdemarpr
Member
Member

Re: C8035 Boot loop after power surge

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HI, I've recently bought the SD Card, I've replaced the previous SD card and system started to ALTBOOT, installed succesfully  the ALTBOOT system and restarted. It still gets stuck on boot loop, so what I did after was replace the hard drive, formatted to extFat, installed it, made the whole process again succesfully and still I get a boot loop and stop at xerox blue screen and red led blinks. EWS still shows "n"

 

This behavior is really weird, I can't get no idea why isn't booting succesfully.

 

Another tip is when the MFP were operational had the 103.xx.xxx update, I don't know if this is having any issue with this altboot version installer.

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gabiene
Valued Advisor
Valued Advisor

Re: C8035 Boot loop after power surge

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Try to forced downgrading to a 100.xxx version. Then upgrade the machine back to a 101.xxx or 103.xxx version.