Category 06 of 10
Laser & Toner
Toner errors, ghosting, smearing, drum and fuser faults on laser printers. Choose the guide that best matches what you see.
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#51
Toner Cartridge Not Recognized
Laser printer won't recognize a toner cartridge? Remove all packing, reseat the toner and drum, clean the chip contacts and check the cartridge model number.
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#52
Ghost Images Repeating Down the Page
Faint copies of text or images repeating lower down laser prints? Read the spacing, fix power and paper settings, and spot a worn drum or fuser early.
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#53
Toner Smears or Rubs Off the Paper
Laser prints smudge or toner wipes off with a finger? Fix paper settings, power and damp paper, clean up loose toner safely and spot a failing fuser.
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#54
Vertical White Lines on Laser Prints
White vertical lines or streaks on laser prints? Redistribute toner, clean the laser window or LED head, check the drum and replace the right part safely.
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#55
Gray Background or Toner Haze on Pages
Laser prints have a gray tint or toner haze across the page? Adjust density, use dry paper, clean the corona wire and check the drum and toner life.
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#56
Repeating Spots or Marks at Regular Intervals
Spots or marks repeating down laser prints at set intervals? Measure the spacing to find the roller, then clean or replace the drum, toner or fuser.
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#57
Drum Unit Error or "Replace Drum" Message
Drum error or replace drum message on a laser printer? Reseat the drum and toner, clean the corona wire, check drum life and confirm a new drum correctly.
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#58
Fuser Error on a Laser Printer
Fuser error on a laser printer? Work through the safe checks: a full cool-down, wall power, condensation, paper caught in the fuser and when to replace it.
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#59
Laser Printed Pages Curl Up
Laser printed pages curl or roll up in the output tray? Flip the paper, use fresh dry stock, adjust paper settings and try the straight-through output path.
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#60
Laser Printer Smells Hot or Overheats
Laser printer smells hot, gives off fumes or overheats? Learn which smells are normal, improve ventilation and know when to unplug it and stop using it.