Question about HP LaserJet Office Equipment & Supplies
2550Ln printing dots of colour thoughout the middle line of the sheet HP 2550Ln is printing a dot of each colour in a linear format thoughout the centre line of the page. It doesn't matter what ...
...it came out very light in other colours but not in black? what to do? is it a toner problem? Thoughout my experience of fixing computers, I have seen this happen twice. Once was because the ...
Question about HP LaserJet Office Equipment & Supplies
...on the drum. Use a dry, soft lint-free cloth to clean it. It may require cleaning more than once thoughout the circumference of the toner cartridge.Secondly, it could be the PCR roller, which is a ...
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