Question about HP DeskJet Office Equipment & Supplies
...4100 prints a blotchy stripe down the middle of each page The toner cartridge is low, but I am afraid to buy a new one only to find out that the problem is with the printer, not the cartridge. check ...
...4100 LSU Error Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge in the machine may be dirty. The mirror motor in the LSU could be bad or needs to be ...
lsu error Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge in the machine may be dirty. The mirror motor in the LSU could be bad or needs to be ...
Question about HP DeskJet Office Equipment & Supplies
Brother 9700 Quality of Rec. Faxes Is Good, Copies Light & Uneven So I disassembled and cleaned all mirrors and lenses inside the document scanner assembly, reassembled and tested. Made no ...
Question about HP DeskJet Office Equipment & Supplies
4100 is printing light though the drum and toner cartridge have been replaced. Someone suggested that the laser is dirty..but I do not see how to clean it. I assume it is inside the drum? If not, I do
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