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Hi, we have a sound coming from a bp-70c36. It is supposed to be delivered this week but we think customer will be annoyed with the sound. It seems to be coming from the laser unit and I would think it is either a fan or motor since you can hear it slow down after a while.
It happens as soon as you go to the copy screen but you do not even need to be making copies/prints for it to sound. We did simulation 6-2 to test the fans but it did not sound with any of the fans here.
Anyone have any advice?
Video- Dropbox - IMG_1220.mov - Simplify your life
This sound is really familiar but I did not hear it for a long time.
I guess it's the LSU but I'm not sure, I'm gonna try to check tomorrow if I can reproduce it on a CR4 or CR5.
I've set up so many of these BPs in the last few months, this sounds normal to me. I don't suppose you have a second BP to compare it with? If it is a problem, you could just claim warranty with sharp for a new laser to be sent. I believe SIM 61 to access the LSU settings.
Ricoh Technician for 6 Years
Sharp Technician for 3 Years
Dabbled in Canons, Brothers, HPs, Lexmarks, FPs. etc "If I can glue it; I can fix it."
Testing the LSU with sim 61-1 did make the noise so it is the LSU like everyone said. I do not have another BP to compare but I compared it to a 3070 and 3071 and there is a significant difference. We played with the eco settings but could not make it any better. We will ask sharp to send us an LSU. Thanks everyone!
Years ago, can't remember if it was on the 2640 or 2600, there was a bulletin that had a software switch you could change so the polygon shut off really fast so those fussy offices didn't have to hear the high pitch. It did increase warm up time.
If you can find it it might still apply to the BP to test.
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