HP color laserjet 1600 series 服务手册

each to see if the roller is damaged. If
so, replace the print cartridge.

 

Print the Supplies Status page to check
the remaining life.

Toner specks appear.

The media might not meet HP
specifications.

Use media that meets HP specifications.

The paper path might need cleaning.

Clean the paper path. See the
HP Toolbox online Help.

Dropouts appear.

A single sheet of print media might be
defective.

Try reprinting the job.

The moisture content of the paper is
uneven or the paper has moist spots
on its surface.

Try different paper, such as high-
quality paper that is intended for color
laser printers.

The paper lot is flawed. The
manufacturing processes can cause
some areas to reject toner.

Try different paper, such as high-
quality paper that is intended for color
laser printers.

Vertical streaks or bands appear on the
page.

One or more print cartridges might be
low or defective. If you are using non-
HP print cartridges, no messages
appear on the device control panel or
in the HP Toolbox.

Replace any low print cartridges.

The amount of background toner
shading becomes unacceptable.

The media might not meet HP
specifications.

Use a different paper with a lighter
basis weight.

Very dry (low humidity) conditions can
increase the amount of background
shading.

Check the device environment.

  General print quality issues (continued)

140

Chapter 6   Troubleshooting

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