Canon LBP7210Cdn, Manual

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Solution Make sure that the toner cartridge is installed properly.
"Replacing Toner Cartridges"
Cause 2 Any of the four color toner cartridges is almost out of toner, or the drum in any of the toner
cartridges has deteriorated.
Solution 1 Correct the "Out-of-Register Colors" on the Printer Status Window.
"Correcting 'Out-of-Register Colors'"
Solution 2 Check the status of the toner cartridges.
Replace the toner cartridge that is almost empty with a new one.
"Checking the Printer Status Using the Printer Status Window"
"Replacing Toner Cartridges"
Cause 3
Appropriate paper is not being used.
Solution Replace with paper that meets printing specifications.
"Usable Paper and Unusable Paper"
Cause 4 Data was sent before completing calibration or when the printer was turned on.
Solution
Make sure that calibration is completed before sending data to the printer.
NOTE
Calibrating the printer after it is turned on
Use [Startup Settings] on the Printer Status Window to configure
this setting.
"Calibrating the Printer"
Thin Lines or Fill Patterns Are Not Printed with the Specified Colors or Do Not Appear At All
Cause 1 Some of the colors cannot be reproduced because of the combination of colors or patterns.
Solution 1
Adjust the colors in the application and print again.
See the instruction manual supplied with the application.
Solution 2 Change the patterns in the application and print again.
See the instruction manual supplied with the application.
Cause 2 The colors may appear different depending on the halftone pattern.
Solution 1
Readjust to a darker color and print again.
See the instruction manual supplied with the application.
Solution 2
Reload paper to change the feeding direction, then print again.
Shaded Patterns Are Not Printed in the Correct Color (Specified Color)
Cause
The shaded pattern of the print data and the dither pattern of the printer are interfering with
one another.
Solution 1
Print again without specifying a shaded pattern in the application.
See the instruction manual supplied with the application.
Solution 2
Perform the following procedure in the printer driver.
1. Display the [Quality] sheet.
2. Click [Settings].
3. Set [Color Halftones] or [B & W Halftones] to [Gradation] or [Color Tone].
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