Question about Brother HL 2140 Laser Printer
Why are there three evenly spaced triangles about 10cm apart in the left hand margin. Has only just started after 4 months. I have changed toner, cleaned and still appears
Check the drum unit. Rotate the optical cylinder slowly, looking for a scratch or clot of toner on the drum. You may need to clean it with compressed air or VERY gently with alcohol and a cotton ball. If the drum cylinder is clear of defects, check the fuser at the back of the machine for the same. A drum can be cleaned or replaced, a trashed fuser is not repairable. It may also be cheaper to replace the machine than to replace the drum of course.
Posted on May 12, 2014
It sounds like your fuser sleeve of your printer need replacement, or just to be cleaned. You can use Isopropile alcohol 99% to clean it.
If that does not remove the mark on the pages, then try to replace the fuser roller.
Posted on May 11, 2014
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Posted on Jan 02, 2017
SOURCE: I have small black dots
First try printing a few pages to try and clean the drum unit. If the problem is not solved after printing a few pages, the drum unit may have glue from a label stuck on the drum surface.
go to this link -- below for further instructions
hope this helps
Posted on Nov 14, 2010
and smudges on the printouts are due to dirty/ deteriorating cartridge and
cleaning the green drum of the cartridge may help temporarily. Take out
the cartridge and gently clean the roller/ green drum with a dry, soft,
lint-free cloth wiping off the toner dots marks/ lines.
Also, make sure that the visible inside of the printer is clean and ther is no spilled toner inside, which sometimes results in dots.
Let me know if any further clarification/ assistance is required.
Dont forget to appreciate the solution if I could have been of any help!
Posted on Jan 08, 2011
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