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Bizhub C350 - Printing quality problem - Gaussian blur and fade out
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[QUOTE="Le Wins, post: 216880, member: 15076"] You gonna… smear your… underwear! (or make a facepalm) Because I found the problem and also the solution! I was searching for parts for imaging units to order one set to sort out the possible problem. I made a list but before the order I decided to make every possible maintenance what is written on the troubleshoot pages and every maintenance on the web, which mentions blur and applies for my unit. I done two things: 1. I cleaned the LED assy lens. This maintenance is actually mentioned in the service manual and in [URL='https://www.youtube.com/watch?v=Fsuf6Xk7stY']this YT video[/URL]. So I did it according them. 2. I cleaned the electrostatic charger wire (At least I think so): In the previously mentioned video the lady also fiddles with the some white plastic sticks under the toners. I did the same on my unit. I am not sure that they are the same thing in my case because the sticks in my unit haves different shape, color and they are a part of the imaging units. The service manual didn’t mention any “electrostatic charger wire” only some “charge corona” so I dint know about it. I don’t know which of these helped but the blur almost totally disappeared! Just the cyan makes still a little blur, so I give him another two cleaning strokes but that didn’t help anymore. I never did this cleanings before. Firstly because I didn’t know about them, secondly because even after I uploaded the troubleshoot pages which ones mentioned blur, nobody suggested that possibility and thirdly… I never imagined that the previous owner would miss a simple thing, such as a non-invasive cleaning process. Probably I will have to repair/change the LED for the cyan in LPH assy (or the charger wire/corona) in the future but for now, I am fine with it! The blur was present from the beginning. I bought this unit this way in the hope that I will figure out how to repair it (just like with every used broken electronic I bought). The last owner told me (as he remembered) it slowly developed the blur, and then they lost the patience to maintain it further and put it in the heated archive/storage where it stayed 2 years. I got some items along with it when I bought it: 1 used waste toner bottle 1 used paper dust remover (I think) 1 new ozone filter 1 used deodorant filter (I think) 1 nearly empty yellow cartridge 2 full/new black cartridges I checked the local markets for compatible used/broken unit selling for parts. No interesting listing currently. Hopefully I can squeeze out of it 100000-150000 pages before I will have to replace something (probably the first things will be ozone filter, dust remover or transfer roller) but before that I will probably change the LED or wire of cyan color after all, if any of those causing the remaining blur and if can find any compatible parts. Sadly I didn’t find any replacements for those so far. So far found replacement for drums [URL='https://www.aliexpress.com/item/32811760383.html?spm=a2g0o.cart.0.0.4a5c3c00hRobtz&mp=1']here[/URL] an [URL='https://www.aliexpress.com/item/32799934260.html?spm=a2g0o.cart.0.0.4a5c3c00hRobtz&mp=1']here[/URL] as a 5 piece bundle, [URL='https://www.aliexpress.com/item/918337214.html?spm=a2g0o.productlist.0.0.50565cadH4pcgs&algo_pvid=343a2b1c-cf33-4cc9-b3f4-202c57689dd4&algo_expid=343a2b1c-cf33-4cc9-b3f4-202c57689dd4-2&btsid=0ab6f82215927542255591061e2ac4&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_']chips[/URL], [URL='https://www.aliexpress.com/item/33008299027.html?spm=a2g0o.cart.0.0.4a5c3c00hRobtz&mp=1']belts[/URL] (which I am not sure about the compatibility currently). Also found an image transfer unit for 280 but I like the idea more where I have to replace just the belt. Just have find a compatible one or figure out which models using the same belt. Anyway, the mystery of the blur is solved for now. I hope this topic will helpful for others also. Probably I will return to this topic time to time. Thank you guy for all the help/time you spent for helping me. If you visit our county says hi! I pay a round :D [/QUOTE]
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Bizhub C350 - Printing quality problem - Gaussian blur and fade out
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