Canon LBP 1210 Laser Printer black mess down middle of page
When I print a Page I get black roller marks down the middle of page, the print is fine on total page with this black dash and white strip down the middle.
I checked the toner cartridge and find it's just as good as new?
I just acquired this laser printer as is.
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Re: Canon LBP 1210 Laser Printer black mess down middle...
The prob could be in the fusing unit, or the fuser rollers, chances are there is a sticky toner adhered onto its surface, (the red roller on the top is the pressure roller the bottom roller is the fuser roller.
this area could are so hot, so take precautionary measure when cleaning this rollers, this could be from other medium materials that recently usd and tends to stick on the surface of the roller.
kindly clean this one with dry cloth or cloth damped with oil, though its best to clean this while it is hot, but be careful
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There is a **** on the toner if you pull it out of the machine and you should be able to look down in there and see all across the roller in there, sometimes the sticker gets moved in the way or something and wont allow the laser to write all the way across that roller. Make sure there is nothing in that **** causing this issue and if its clear then make sure that you have pulled the strip out of the new toner... (easily forgotten) If this helps, Please mark as FixYa!! Get Paid
The problem is likely the fusing assm.
This is the test to determine toner or fuser issue. Print a test page When you hear the paper feed into the machine open the top to stop the machine Remove the toner cart. You should be able to see the page with printing on it. (This is before the page hits the fuser) If you can see the smudge or marks on the page the problem is most likely the cartridge but NOT the fuser. If the page is clean the problem is most likely the fuser.
Hope this helps
NOPE - don't even try to do this - Replace the entire fuser, these have a film roller and it's not worth trying to rebuilt - replace the fuser and you should be fine, To take the top off is a pain , the fuser sits on top of this Printer so it's difficult- either call a Color Printer tech or buy a rebuilt fuser , I wish i could give you our company info, however, i been informed not too Sorry , fixya.com rules not mine.
You need to open the small lid on each toner cartridge (to reveal the drum cylinder) and check if the line mark appears on any of them. If the case, you have some sort of contamination making a permanent mark on the affected cartridge. It can be a piece of paper, dirt, or loose part.
If the toners are clean, your problem might be routed to the LSU (laser scanner unit) for which you need an Authorized Service Center to assist you.
I've seen this before. Since the printer portion is working fine that points to the scanner mechanism as the culprit. There are two things I have seen cause this.
1) If the line is a perfect rectangle all the way to the edge of the page then the light bar itself is dying and there isn't much you can do to save the unit. Send it in for warranty repair if you have the option.
2) If the line is more like a skid mark like you mentioned, then the paper that is being scanned is not pressing up fully against the light bar. Not enough light is bouncing off the page and the scanner can't read it well. This can also be caused by a roller not feeding correctly and then bunching up the paper a little bit. I would check the rollers for wear or something being off center. This can sometimes be caused if the machine has ran a high volume or thick paper.
I would really think the cause would be one of these two since you are getting the marks at odd intervals, if the intervals were regular it could *possibly* be the drum but as I stated before, with the print function working right, I doubt it.