Faded or faint prints - If a simple cause such as the user choosing an option for low density (draft output) can be discounted, this is most likely to indicate that the toner cartridge needs replacing., Blank pages - This is usually an application or driver problem, but it could indicate that a toner cartridge has been installed without removing its packing seals. Alternatively, if these simple causes can be discounted, this could also be a sign that the transfer roller is damaged (the image transfer stage fails)., White stripes - This indicates either that the toner is poorly distributed (give the cartridge a gentle shake) or that the transfer roller is dirty or damaged., Black stripes or whole page black - This indicates that the primary charge roller is dirty or damaged or that the high voltage power supply to the developer unit is malfunctioning. Try printing with a known good toner cartridge., Speckling on output - Loose toner may be getting onto the paper. Clean the inside of the printer using an approved toner vacuum., Vertical or horizontal lines - Marks that appear in the same place (referred to as repetitive defects) are often due to dirty feed rollers (note that there are rollers in the toner cartridge and fuser unit too) or a damaged or dirty photosensitive drum., Toner not fused to paper - Output that smudges easily indicates that the fuser needs replacing., Double/echo images - This is a sign that the photosensitive drum has not been cleaned properly; it will repeat as a light "ghost" or dark "shadow" image farther down the page., Incorrect chroma display - If prints come out in the wrong color (for example, if the whole print has a magenta tint), ensure that the toner cartridges have been installed in the correct location (for instance, that a magenta cartridge hasn't been installed in the cyan slot)., Color missing - try replacing the cartridge. If this does not solve the issue, clean the contacts between the printer and cartridge., Inkjet Print Defects - Lines running through printouts indicate a dirty print head or blocked ink nozzle, which can usually be fixed by running a cleaning cycle. Most other print quality problems (output that smears easily, wavy or wrinkled output, or blurry output) is likely to be a media problem., Dot Matrix Print Defects - Lines in dot matrix printer output indicate a stuck pin in the print head. Output can also be affected by the platen position.,

Print Quality Issues

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