Lexmark X850e 连接指南

Print quality guide
Page 2 of 4

Streaked
horizontal lines

The print cartridges, the transfer roller,
image transfer unit, or fuser may be
defective, empty, or worn.

Replace the print cartridge, the transfer
roller, the image transfer unit, or fuser
as needed.

Print the repetitive defects guide to
determine what needs to be replaced.

Streaked vertical
lines

• Toner is smeared before fusing to the

paper.

• The print cartridge is defective.

• If paper is stiff, try feeding from

another tray.

• Replace the color print cartridge

causing the streaks.

Print irregularities

• Paper has absorbed moisture due to

high humidity.

• You are using paper that does not

meet the printer specifications.

• The image transfer unit and transfer

roller are worn or defective.

• The fuser is worn or defective.

• Load paper from a fresh package in

the paper tray.

• Avoid textured paper with rough

finishes.

• Make sure the printer’s paper type,

paper texture, and paper weight
settings match the type of paper you
are using.

• Replace the image transfer unit and

transfer roller.

• Replace the fuser.

Print too light

• Paper settings may be incorrect.

• The Toner Darkness setting is too

light.

• You are using paper that does not

meet the printer specifications.

• The print cartridges are low on toner.

• The print cartridges are defective or

have been installed in more than one
printer.

• Make sure the printer’s paper type,

paper texture, and paper weight
settings match the type of paper you
are using.

• Select a different Toner Darkness

setting from the printer driver before
sending the job to print.

• Perform a Color Adjust in the

Settings/Quality Menu.

• Load paper from a new package.

• Avoid textured paper with rough

finishes.

• Make sure the paper you load in the

trays is not damp.

• Shake the specified print cartridge to

utilize the remaining toner.

• Replace the specified print cartridge.

Print too dark

• The Toner Darkness setting is too

dark.

• The print cartridges are defective.

• Select a different Toner Darkness

setting from the printer driver before
sending the job to print.

• Perform Color Adjust.

• Replace the specified print cartridge.

Symptom

Cause

Solution

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ABCDE
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