SC 672-21 IM C2000

[canaryblue]

Good day!



i have a question regarding PCBS and how with power fluctuations damage any sort of network capabilities on many photocopier machines where the network capabilities seem to have stopped working after major power fluctuations (i am assuming) are there ways to identify what goes usually with power fluctuations or is there a general rule of what gets damaged after having bad power fluctuations. Any advice is greatly appreciated!
(side note - i have a strong feeling there is something within the controller because when i change the controller problem is solved i want to find a way to repair/save the controller before just replacing it also this code was on an im c 2000) Thank you

[sandmanmac]

i want to find a way to repair/save the controller before just replacing it also this code was on an im c 2000) Thank you

Yes.
And Seeing as you have 2 threads started thus far- both relating to power issues.
My Advice.....NEVER install a machine without a GOOD surge protector.
One that includes posts for Ethernet cables as well.
I personally never install one without

[canaryblue]

Yes.
And Seeing as you have 2 threads started thus far- both relating to power issues.
My Advice.....NEVER install a machine without a GOOD surge protector.
One that includes posts for Ethernet cables as well.
I personally never install one without

We have installed the machine with surge protector and one with ether net ports aswell the power fluctuations are really bad

[slimslob]

We have installed the machine with surge protector and one with ether net ports aswell the power fluctuations are really bad

Not all surge suppressors are the same. If you are using low end suppressors, you are getting low end protection and often no RF protection. Check with Ricoh support as to the make and model they recommend. High end protection is a lot less expensive than most boards.

[canaryblue]

Not all surge suppressors are the same. If you are using low end suppressors, you are getting low end protection and often no RF protection. Check with Ricoh support as to the make and model they recommend. High end protection is a lot less expensive than most boards.

I definitely understand but my main goal for this question was how to identry and maybe repair damaged boards as it is something I am willing to try out if it is possible the avoidance is definently common sense as in a perfect world these machines would be running on ups etc but sometimes it's not always like that

[slimslob]

I definitely understand but my main goal for this question was how to identry and maybe repair damaged boards as it is something I am willing to try out if it is possible the avoidance is definently common sense as in a perfect world these machines would be running on ups etc but sometimes it's not always like that

Considering that most boards are probably multi-layer with plate through holes, if you do not have the proper equipment and training you will do more damage than you will repair. Damage the plate through on one hole and you can throw that board in the trash,

[canaryblue]

Considering that most boards are probably multi-layer with plate through holes, if you do not have the proper equipment and training you will do more damage than you will repair. Damage the plate through on one hole and you can throw that board in the trash,

i appreciate your advice

[davel]

If it is a result of bad power just fit a new board and charge the customer

[UNICORNico]

As a general rule, the guarantee or maintenance cannot include breakages by "external agents", in this case problems in the electrical supply, but if there is a history of poor installation or does not meet quality standards (this depends on the regulation of each country). The normal thing is if the situation is clear, the cost of the part and the labor to be invoiced to the client.

[KeviM]

Hello

I'm from South Africa as well and I'm supposing the problem you are talking about is the load shedding by Eskom. This damages the boards. Mainly because of the high power draw by machine (because of the motor and the fuser) and the spike in the electrical grid.

I've also replaced numerous boards. Especially the controller, PSU and BICU boards.

I'm not sure if you have electronic engineering experience or not. I do. And I've tried to repair these boards. Trust me when I say in order to repair these boards (with the exception of the PSU in certain cases) you need SPECIAL equipment. Namely a microscope that costs about R200000 and specialist soldering and heating system that cost about R150000. Without that I don't know how it would be possible to remove damaged microchips, capacitors, resistors, etc.. As the parts are bonding to the board and can only be safely removed with controlled heat. Trust me when I say this is advanced stuff.

Let's supposed you did get the equipment to do the repairs. You would still need the schematics of the board in order to repair it and also you would need to know how to read the diagram correctly.

Repairs are best handled by some company who specialises in board repairs. If you have time go have a look at Rossman on YouTube repairing Apple laptop boards. It will give you an idea what you need to do to repair boards.

What to do going forward :
1) make the customer fully aware that no guarantee, warranty or service contract covers damages caused by external electrical issues. They will need to get their equipment insured against electrical issues.
2) install a surge protector with RJ45 network protection.

If the customer has a WiFi network you can put in a device to disconnect it from the physical hard line of the network. Something like a Tenda F9 in repeater mode. Connect the machine to that with ethernet cable. That will break the physical line and save you from power surges on the data line.
3) put in an AVR with RJ45 network protection. This will help protect from load shedding. Make sure to set the turn on time delay to 2-3 minutes. This protects from the fluctuations in the electrical grid when the lights come back on.

Customer must be made fully aware. The only thing you cover is normal wear and tear (if they have a service contract) and manufacturer defects. Everything else must be covered by insurance. Speak to them in the best way and nicest way you can but at the end of the day it's not your fault and therefore your company won't bare the costs. (might be best to have a manager explain the to them)

All the best friend