Printer resets after switching of desk lamp (Halogen)

Hi all,
after or almost at the end of a 4hrs print, I decided to save same Amps, and switched my desk lamp off, which is a 12V Halogen beamer,
with a big stand, where the transformer 230Vto12V (I guess) is implemented.

The printer stopped immediately and could not be forced to proceed its last 20 minutes.

I know, it could be the magnetic field of the transformer, because of switching off,
the transformer will try to keep the circuit closed and generates some extra voltage, but just switching the printer off (off means- it stopped any action) is strange

Any hint to prevent this again, I took the lamp off the table :slight_smile:

What about an metal shield around the PCB?

Best
Frank

[quote=“frank.von.thienen”] but just switching the printer off (off means- it stopped any action) is strange[/quote]The controller board probably hung up.

Power surges and noise can do that. To avoid this you can plug the printer on a UPS (you wont loose you print on a temporary power loss but it also filters the mains and avoids power surges). I did this with mine.

[quote=“raby”][quote=“frank.von.thienen”] but just switching the printer off (off means- it stopped any action) is strange[/quote]The controller board probably hung up.

Power surges and noise can do that. To avoid this you can plug the printer on a UPS (you wont loose you print on a temporary power loss but it also filters the mains and avoids power surges). I did this with mine.[/quote]

Good Morning raby,
How about a Weißblechgehäuse?.
This kind of housing is normally good against electronic interfierences

The cheapest way: I kick the desk Kamp :slight_smile: - DONE!

Best
Frank

[quote=“frank.von.thienen”]How about a Weißblechgehäuse?.[/quote]It’s shielding magnetic interferences. It won’t prevent interferences trough the power line (like when switching on Fluorescent lights).

Hi!

I’ve noticed the same thing, turning on a flourescent lamp will often hang the printer, despite the printer is being supplied via an UPS. Sure, the lamp is on the same UPS, so not much filtering’s being done by the UPS. Still, I wonder what would happen if the laser printer turns on while printing 3D. Or if the utility power is cut - the UPS, although an expensive one claiming to produce a “clear sine”, always makes speakers produce noicy sounds and isn’t very kind to some other equipment. Whatever.

My point is, shouldn’t a reasonably high quality switched power supply cope with all this? Especially for this application, where a session is easily streched for 10 hours or more and could be ruined just for turning on a light?

Apart from the UPS I’ve installed a filtered power switch on the printer. Never had any hang-up since.

Due to the heated bed, I changed the 15V 150W PSU to a 15V 500W PSU.
The PSU is shielded and leaves a descend impression.

But USV should be a new idea.
What power (capacity) did you buy?

Thanks
Frank

[quote=“frank.von.thienen”]What power (capacity) did you buy?[/quote]I had a 500W UPS lying around, enough for my configuration.

Ok, so I will try a USV around that VA.

Disregard my question about USV in the other thread, I mixed it up :slight_smile:
Best
Frank