HP Laserjet 4350 - Transfer Roller / Chassis question
Good morning everyone. I'm more of a lurker on this site usually, but found it's a good place to go for the stumpers.
I've got an HP LJ 4350 that was shipped to me VERY poorly packaged. When it arrived, my biggest concern is that the transfer roller was just rolling around the inside of the printer.
For those you you familiar with these printers, the transfer roller has a bare section of rod on the right hand side, while the left side contains the drive gear and a clip. To insert, you place the rod through a "bushing" (white plastic, enclosed hole) on the right hand side of the chassis. Well - this bushing is gone. I have the spring that is underneath it, but the actual piece to secure the right side of the transfer roller is missing. I have searched everywhere and am unable to locate it.
I'm in the process of having HP look into this for me, but apparently this is a long and uninformative process.
The 2 questions that I have:
The first HP tech I spoke to thought this piece was actually part of the printer chassis. Does this mean I am out of luck in getting another replacement?
Secondly - the bushing in question appears to fit into a slot on the chassis where it is free to move, and is spring loaded. I have inspected other printers on site, but was unable to figure out how this piece stays in it's channel. I even tried to pull it out with a pair of pliers, but stopped before I had 2 broken printers.
Anyone have some good news for me? I'm sure that I could possibly fabricate something to hold the transfer roller, but I'd rather not if I don't have to.
Re: HP Laserjet 4350 - Transfer Roller / Chassis question
First off there is a chance that the piece is still floating around in the machine or in the box it came in. Pull out the Toner, Fuser, Tray and tilt the machine see if you hear anything rattling around. Now on to your questions.
1) You can not order this part by itself. It could be part of the big chassis piece that the transfer roller fits into.
2) There are two V shaped tabs on both sides on the guide that hold the piece you lost in place. Now if these are broken then it will not a new guide in place.
The best way to get the machine working is to either rigg it, or a better option might be to call around your area to printer repair places and see if they have any dead 4200, 4250, 4300, or 4350's.
They will all use they same part. So will the 4345 MFP series. Any shops that do in shop repair usually have more machines sitting around.
Hope this helps
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I have seen many diferent 41.3 errors. Start by making sure tray is set to standard instead of custom and reset machine to factory settings. Next change out the roller assembly behind the tray 1. It has the selonoid on it. I have seen that cause it before. I would just replace the entire tray 1 to solve the no lift. good luck
third party toners will usually give this type of error- remove the cartridge and replace with HP OEM Toner Cartridge- if the problem is gone the cartridge is at fault. if the problem is still visible you may need to order a maintenance kit to replace the transfer roller. If after you have changed the transfer roller the problem remains then the issue lies with the contact of transfer roller to drum surface is uneven. tyhe transfer holder plates have snapped or the HVT PCB has failed which will require an On site visit by a Qualified technician. All above can be completed By Belmonte Business Equipment
I have seen this happen before with generic transfer rollers. I don't know where you got the parts from but that is most likely the cause. What is happening is the material of the transfer roller is sticking to the drum of the toner cartridge. When not actually printing the transfer roller sits up against the drum. If you still have the old "original" transfer roller, put it back in. You can try and clean the drum using glass cleaner and a soft cloth. Or just put in a new one. If you do not have the old transfer roller then al I can say is get an OEM HP transfer roller.
My experience with this issue comes from working for a service center that ordered a bunch of generic transfer rollers in an attempt to save money. We started having the same problem as you are having with numerous printers until we figured out what was happening. If it is the same problem you should be able to see the black bands across the drum surface and it will seem to be kind of sticky. Also the transfer roller might feel a bit "tacky" instead of being more like a foam type roller like the original ones are.
Good Luck and Thank You for using Fixya.
a middle aged HP CLJ 4500; a middle drawer (transfer area) paper jam, unusually involving about 6 sheets; once the paper was removed, the transfer roller was found to be dislodged at the left end; after refit, the drawer will not close by about 1.5" (but closes fine with transfer assembly in place). I cannot see the interference. I found three references to the identical problem last night, but no answers. I have (and have fitted) a new transfer kit, including new roller; no change.
teflon coating on heat roller in fuser is coming apart. replace the fuser. also check to make sure the paper tray is set to the correct size. this means pull the tray out, remove all paper, look inside to make sure the arrow is pointing directly at the correct media size you are using i.e. letter or legal or whatever you are using. Good Luck! please rate this carefully.
Look on the left side of the tray. There should be 3 white fingers that stick out. Make sure they aren't broken or out of place. Also slide the paper size lever and make sure they work properly.
There is also a custom and standard switch.
Try to print out of the MP tray(fold down tray). If it prints normal speed, you probably have a problem with the tray.