PRINTING QUALITY PROBLEMS
B273 4-20 SM
4.5 PRINTING QUALITY PROBLEMS
4.5.1 INCORRECT PRINT POSITION
Description: Paper is fed despite the paper being in the incorrect position in the
paper cassette.
Cause Solution
Defective feed sensor actuator Replace the defective actuator
4.5.2 VERTICAL WHITE LINE
Description. Blank/White vertical lines appear on output prints.
Portions of the image are blank.
Cause Solution
1. Window or internal lenses of LSU mirror
are contaminated.
2. Particles inside the toner cartridge, or
toner supply is low.
3. Particles, contamination, or burrs on the
edge of the toner cartridge window.
4. Fusing unit is defective, if blank areas
periodically appear on the top of black
images.
5. OPC drum is contaminated.
6. Depression or deformation on the surface
of the transfer roller.
1. Clean the LSU window with isopropyl
alcohol. Replace the LSU if there are
particles inside.
2. Replace the toner cartridge.
3. Clean the exposure window.
4. Check the ribs of the fusing unit and
remove particles if found.
5. Replace the toner cartridge.
6. Replace the transfer roller.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B273T914.WMF
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