Planning on getting an HP Laser Printer for our home. Datasheet: http://h20195.www2.hp.com/v2/GetDocument.aspx?docname=4AA6-6825EEE&doctype=data sheet&doclang=EN_GB&searchquery=&cc=uk&lc=en

Although, it uses 255W while printing, all laser printers have high inrush current at startup (> 3000W). Analysis here; https://www.donrowe.com/v/vspfiles/assets/images/laser_printer_startup_surge.pdf

Since most of our home outlets are wired with the Inverter output, I'm hesitant to buy a laser printer - especially since Voltronic doesn't have any Surge Power rating for this Inverter on their website. 

Anyone running (or tried) a Laser Printer off of Voltronic Infini Plus?

Edited June 19, 20196 yr by LionKing

A surge of 3kW would be similar to a ~450 W motor starting up. I would not expect any problems.

Wow, I wan't aware of that, I was also planning on getting a laser printer.

Well, here is a stackoverflow post that addresses that. The trouble is the inrush current for heating the fuser unit. This seems to be in the range of a second or less, and since most inverters can do 200% Pnominal for at least a second, I'd expect even a 3KVA unit to do just fine (but it would be on the edge). With a 10kva unit you really should be fine (Except, I think it's 3kva per phase... so maybe not).

Hi @LionKing

I just did a test for you and this is the result:

- durin the power-on, the printer draws 800W for 10s
- then just couple of spikes around 500W (heating?)
- last two bars of 800W are peaks during a printout of 1 page

Printer model is Dell C1765nwf Color Laser and it's running from 2x5kW InfiniSolar paralleled together in the single-phase setup.

Any power-spike longer than 1 second would be visible on the chart:

 

Edited June 20, 20196 yr by Youda

Thanks @Youda Actually, if you look at the pdf link I shared in my first post, the inrush current (> 3000W) lasts for a few milliseconds. I don't think the chart above will show that correctly, since its just showing rms value over a 1000 milliseconds?

Also, you have 10KW capacity on the phase, in my case its only 3.3KW - so not sure if its ok for my inverter. We did get the printer though but found an outlet that's Not powered by the inverter and been using that. 

If anyone else has a 3KW or 10KW Infini, please let us know if a typical home-use laser printer works fine on it.

It all depends what mode you're going to be running the Infini 10 in. If you run it in grid tie with backup mode, it'll tolerate the overload (Grid relay closed) but if you run it in off grid mode then it might trip and/or try revert to AC/utility bypass.