Canon imageCLASS D780 All-In-One Laser Printer "scratch lines print" Questions

A black line on same area in paper when printing You may have a scratched drum or a worn fusing roller.

...a streak or line in the print out that runs the length of the paper. How old is the printer cartridge? It sounds like there is a scratch in the drum. A new imagind cartridge should take care of

...rubbing alcohol. Smeared toner also happens because the nonstick coating on the fusing roller is scratched or has baked-on debris. This can happen if the printer is in a dirty environment ...

...lines rule across my print out paper at photocopying mode either colour or black print out.Whenever I print out via a computer it works very well.My problem is only when photocopying.thanks Make sure ...

Scratches on card when printing Hi, my datacard printer has recently started emitting a high pitched screech when printing cards, and when they come out of the machine there are horizontal and ...

...has black toner lines then it usually means the drum is scratched and there for toner fills the scratch and produces lines. Replace the print cartridge (toner cartridge) and the lines should go

line is on copy, you have a bad drum. If not your upper fuser roller is bad. Whenever I print anything, I notice several lines of needle-like scratches on the image and wrinkle lines. What causes that

...it still show faint line. Check the cartridge and make sure that there is no scratch on any of the cylinder. If any cylinder is scratched you will ...

...scratch (actually small white squigly lines) that appears on some prints but not all and it appears in random loacations not in the same area on each print. I have not been able to determine the ...

...drum/print cartridge. When it get worn you start to get poor quality prints and sometimes lines. COule also be scratched and transfering the line on the prints but in either case needs to be