Canon LBP2900 用户手册

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页码 314
Print Quality Problems
6-22
T
roub
leshooting
6
Print Quality Problems
If any problem occurs while you are using the printer, take the following measures 
depending on the symptoms.
IMPORTANT
If a message appears in the Printer Status Window, follow the directions given in the 
message.
In the case of a paper jam, refer to "Paper Jams," on p. 6-3.
If a problem occurs that is not described in this section, none of the remedies solve the 
problem, or you cannot determine the cause of the problem, contact your local 
authorized Canon dealer.
White Stripes Appear. (Printed Text is Faint or Patchy)
Cause
The toner cartridge is running out of toner.
Remedy
Remove the toner cartridge and gentle rock it from side to side 5 or 6 times, 
then reinsert the cartridge. If the same problem persists, replace the toner 
cartridge with a new cartridge. (See "Replacing the Toner Cartridge," on p. 5-2.)
The overall printing is faint.
Cause 1
The [Toner Density] setting is not appropriate.
Remedy
Drag the [Toner Density] slider in the printer driver toward [Dark].
In order to change the [Toner Density] setting, click the [Details] button in the 
[Quality] sheet to open the [Detailed Settings] dialog box.
Cause 2
[Use Toner Save] is selected.
Remedy
Remove the checkmark from [Use Toner Save] in the printer driver.
In order to change the [Use Toner Save] setting, click the [Details] button in the 
[Quality] sheet to open the [Detailed Settings] dialog box.
The overall printing is dark.
Cause 1
The [Toner Density] setting is not appropriate.
Remedy
Drag the [Toner Density] slider in the printer driver toward [Light].
In order to change the [Toner Density] setting, click the [Details] button in the 
[Quality] sheet to open the [Detailed Settings] dialog box.