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i know thread is old... but still...
how much did they asked for the motherboard?
mine died yesterday becouse i forgot a screwdriver on the table when i powered on the machine... the head got stuck...

626usd with door-to-door delivery? and what power is the tube?

i am verry sorry for my late reply, but trust my words: none of the EFR agents wanted to take my money for two laser tubes and power supply... they asked me to buy 4 tubes at least...
it is against...

i am curios... what can they show so good?
as for efr, they don't sell just a tube... they want you to buy at least 4...
i've talked with them this week... so, if you can't afford to stock 3 spare...

how many days traveled? 1 day more or less should not be a problem...
it came by boat or a fast delivery air service?

i think i did... at least, my cw5000 chiller said it was at 20 degrees celsius... the room have AC, to avoid being hot in summer or too cold in winter times... starting chiller at least 45 minutes...

talked to him, too... 4 tubes is MoQ...
so, i guess, back to reci...

who was your reseller? i can't get in touch with somebody from EFR... but i guess it's some kind of "vacation" there...

i have him on skype, but hard to find him online... but i'll wait...

it seems that Frank from EFR sells only 4tubes as minimum order...
anyone know another sale person from EFR who can help me with a lasertube?

true... but that don't have anything to do with my loss of power... really... 300 working hours for a laser tube?
and second will not be able to cut a piece of paper in 100 hours...
in my opinion,...

i check for bubles weekly... never had any...
i always use low powers... never got under 20% and verry rarely over 60 (max 80% once or twice) but not over 25mAmps

i have a really big problem...



my second RECI z2 tube is loosing power verry fast, and i need a new tube as soon as posible
both of them survived for 6 months each and 300 working hours...

thx for all the good tips...
i've put 5ml of bleach in the chiller tank and i will let the water run for 1-2 hours... then, i will remove all the water, wash the tube for the remaining junks, fill...

should i leave it in the water and run the chiller with the bleach from now on? or just to clean it and then stick with PURE water?

i had my laser since june... i used demineralised water to fill the chiller (as in title, the popular cw5000), and now, i have my laser tube filled with little algae (i think) that swim throu an end...

Rich, if that is true, how can it be fixed?
one more thing... today i saw my machine is a little up on the back side, and lower on the front side... could that be a reason for my beam to be on a...

ok... problem almost solved
i have the beam on the same place, with little error... and it's in the middle of the 3rd mirror... but my beam is coming with a little angle that i can't fix with the...

thx a lot for info...
that's exactly what i'm doing for the last 16 days... i think there is something wrong with my laser, becouse i simply can't make it hit the mark in the last corner... it's...

Hello everyone...

I got a new laser, LC1290 from Gweike with 100w RECI, and i had to dismantle the top parts, not the rails, to be able to get the monster in the office.
now i have a biiiig...

i don't really wanna do that... it was just a though after reading some reviewes... just an option to consider
i've read a lot about gweike, but not verry much info about goldensign...
i see you...

Hello forum!
This is my first post here, and, first of all, a warm HELLO to everyone.
I'm from Romania, and about to get a start in laser engraving business
Becouse my budget is keeping me far...